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DBELETTRONICA TELECOMUNICAZIONI SpA - RF

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5. 5 2 MMT HMT P FUNCTIONAL DESCRIPTION 6 3 EX VIDEO STAGE om 11 3 1 VIDEO STAGE PARTS LIS T iiie reete tnter 18 4 TX AUDIO SUBCARRIER 5 202 4440 41 00 0 0 1000 000 20 4 1 TX AUDIO SUBCARRIER STAGE PARTS amia een en enn enn enne enne 25 5 MODULATION STAGE ORT 27 5 1 MODULATION STAGE PARTS LIST usa kam uu nw 31 6 8 8 04 ______ 33 6 1 BAND PASS FILTER GENERAL DESCRIPTION 33 6 2 OUTPUT LOW PASS FILTER GENERAL 33 7 TX AMPLIFIER SECTION u u u aset tnn sse estes roro esos 34 7 1 GENERAL DESCRIPTION riter ERO EARS REPRE EGRE EG 34 72 AMPLIFIER PARTS LIST DB 9606 018 0 35 8 TX AMPLIFIER POWER SUPPLY SECTION 36 8 1 TX AMPLIFIER POWER SUPPLY PARTS 37 9 DMT HMR P FUNCTIONAL DESCRIPTION 38 10
6. AL8GHZ DB 9704 019 DB 9704 017 DB 9704 017 DMT HMR P USER S MANUAL 72 78 DB ELETTRONICA TELECOMUNICAZIONI S p A 16 2 INSTALLING DMT HMR P For installing DMT HMR P receiver perform the following steps 1 Power the device with the cable supplied 2 Remove the first panel 3 On the second panel connect the filter to the feeder Warning RF input level of HMR must not exceed 30dBm 4 Power on the equipment The ON led on front panel should light up The PLL LOCK led on front panel should light down 5 Connect a video signal receiver with BNC connector in Video output If it is necessary adjust panel trimmer R11 trimmer Fig 10 7 for signal level setting The Led Bar on the front panel furnishes the signal level Volts To select the signal level Video Audiol Audio2 or the carrier level SIGNAL that must be measured press the button when the desired signal is selected its led lights on 6 Connect an audio signal receiver to Subcarrier 1 or 2 output with XLR connector It can be necessary the signal level settings then adjust panel tr
7. AGI Se T s WS ora sr SI es ZHWOZ JI 170 401 LEN 61 YSW O ul S lt 04 BERN Q ave S3I3W 3 HJT3n5s 180 4 ea evo 462 lt NOSE 001 6 SI 001 Sio eo Ts VNIWW34 68 on S Shen sea ITT lt ino ul m p 0 H3I34 3 21308 180 N q SAI 22 im 100 NI ASI Z 055 50787 E CIT O440242430 AST 2 ibt v22 ASI O nol nor 25 2 3 Pee 5027 065 l Er Y Z 3 ut aoza veo 82 gt 822 7511 11392 dee dos 62 1nD T o g 2100 ASE ast 5 ave nzv o ave nro d lt lt d in 923 40 23 11 nro 17 5 2 ob dee x 619 cols 5 Un MOEV i AST O E x gt oc 1 e
8. cd 2q 8001 2691 89 113 Bm dol 012 21 78 DMT HMR USER S MANUAL s un e gt 2 2 z Q lt 2 2 _ Fig 4 3 TX AUDIO SUBCARRIER FILTER ELECTRICAL SCHEMATIC 001 001 220 182 025 619 222 99AO0 2274 33 TOME TOME 1036 628 055 2 SEN LEN ENE EEN z807 FORT ven 28071 e STI rE EH P T I 2 1 2 2 TOME TOME TOME Leu _ _ 5595 8223 1671 ATOE 10 81M 1 4 lt a T 26 S22 lea 022 ZH ZH 0Z4S8 v veo 22 78 DMT HMR USER S MANUAL un Z gt Q Z 2 z o o lt Q e _ Fig 4 4 TX AUDIO SUBCARRIER PLL VCO ELECTRICAL SCHEMATIC
9. 43 IO T VIDEO STAGE PARTS LIST sienten err ether neto treten v ERO OTRO EA EY DERE eS 50 11 RX AUDIO SUBCARRIER 5 04 0 100002000204000 hase 0 066 58 0 52 11 1 RX AUDIO SUBCARRIER PARTSILIST rettet 56 12 DEMODULATOR 04 42 0 etna testen assets asse 58 12 1 60 13 AMPLIFIER SECTION u sensa sse 62 GENERAL DESCRIPTION s p nem Permet 62 152 RX AMPLIFIER PARTS LIST anna E aS asap 63 14 TX RX POWER SUPPLY 8 64 IAT MMT DMT PWR SUPELY PARTS LIS T iecit ERE REC UR EE ERES 66 142 HMT HMR POWER SUPPLY PARTS LIST eene eene 68 15 TX AND RX TECHNICAL SPECIFICATION S 69 16 INSTALLATION aa seues 71 16 ZINSIALEING MMTSHMT P E HP NE 71 16 2 INSTAEPBING DMT HMR P k u here Pere e ine E e e rne Bie ee 73 163 CHANNEL SETTLING i etit ctr Eyre 75 17 40 vc 77 171 XLR AU
10. DMT HMR USER S MANUAL 76 78 DB ELETTRONICA TELECOMUNICAZIONI S p A 17 APPENDIX A 17 1 XLR AUDIO CONNECTORS PINOUTS FOR MMT The pattern below shows how to connect the cables of the audio signal to the male XLR connectors for balanced or unbalanced signal MALE XLR 1 3 2 XLR CONNECTOR PIN BALANCED SIGNAL UNBALANCED SIGNAL 1 ground ground 2 ground 3 1 signal MMT HMT P DMT HMR P USER S MANUAL 77 78 DB ELETTRONICA TELECOMUNICAZIONI S p A 17 2 XLR AUDIO CONNECTORS PINOUTS FOR DMT The pattern below shows how to connect the cables of the audio signal to the female XLR connectors for balanced or unbalanced signal FEMALE XLR XLR CONNECTOR PIN BALANCED SIGNAL UNBALANCED SIGNAL 1 ground ground 2 not connected 3 signal MMT HMT P DMT HMR P USER S MANUAL 78 78
11. ie 24 Att 01 8 5 I INS NTS LE ZHW 065 8 vos ZHW S908 ZHW 0064 5 ZHW 02024 3 1 5 20 78 DMT HMR P USER S MANUAL s T un Z Q o o lt Q Z x _ Fig 4 2 TX AUDIO SUBCARRIER INPUT ELECTRICAL SCHEMATIC ugot 001 e vo S c 22AO0 334 9040 9372 7001 EL E 2001 2001 212 80711 28074 28071 azn T 21 4 fp yen 9 ETA 5 SE 2 29 Lup 22 99 2576 35 68 ES dol 4001 oan 62 TAZI HOS 313113 NI ET DANS Bs ina 2691 13 xd 78071 92A0 B 22 NI VIN 4 22 A0 P A 7 T T a089 86935 331413 TE Vete I E ain e
12. DMT HMR P USER S MANUAL 66 78 E 04001 lt MOLL E E gt gt 002 812 o UUU 1 Q a 2 INS NOOT 409001 he 2 401 lt 4 Q i zm x e di yo Sy z A 99 za gt 2 ej JD3NN d S OBL DOSSIINN D 7 2 5 1923 gt amp In 8 1 9510164191 20001 2 2 1111 5 001 E vo un lt 2 24 gt E 3042 gt M2 1 X001 6 2 x Nee Tl z Oriag SERA 213 ea IO i 4061 912 013 m N 22 9 0028 lt Ag1 O ine NI DADA DIDS NRA AST 8087 en 2 20 67 78 DMT HMR USER S MANUAL DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 14 4 HMT HMR POWER SUPPLY COMPONENT LAYOUT DB 96
13. OI 6 9 E 21 IND3 vC HOS T 9 22 39 9 ONE 4 Ir 222 10 911 5 NI y yINOO L 24 T O 22 13 T O 22 11 78 DMT HMR P USER S MANUAL 12 78 92 0 IIN 292A 0 4 2 5 51 x gt 81a 2 95504 GeMas 2141 SL c uot upot gt 3 z3 lt gt ZHWS Z ZHWEI 99 22 Q 7 deg Ldr dose 9066 63 SSO vO 53 555 C 3 C 3 Y 1 SS 8 5 exe reb Lye 5 2 TL en E 7 gt gt 10 CIEN 12474 12474 12474 0026 19 S I Y TA 2 A 3 95 E PES nozr doze doe gra nor 1 ea p 015 92 23 21 gt T 292 i E 69a 022 d 1623 82 252 en DMT HMR USER S MANUAL s T N Z
14. XNWA 92A 3 4055320 OSCIA 43 78 DMT HMR USER S MANUAL s T N Z Q 2 z o Q lt Q Z e _ Fig 10 2 RX VIDEO INPUT ELECTRICAL SCHEMATIC 4001 dee Zea 4001 Z8 dee 923 0 223A 855 ws 33A0 lt F55A dee SEO 4001 deg veo 940 7 4 s S 2448 ELZLIL dass Lur 253 O01 001 ZHIWS Z ZHWET 162 055 9 doze 9055 965 A 2923 22 992 2822 692 822 v92 Ova 2154 sea ZEN G Su 226 4001 a 755 xu 218 N A 7 et l H EE Log ewes gt TOE En RIS 148 254 828 190 8 9 5 Y as4 AB ees 219 11 2456 2p do22 doce E29 PEN S22 veo Sea 222 dss dee NES NES 92 292 44 78 DMT HMR P USER S MANUAL s T o 2 2 2 2 z o Q lt 2 2 _ Fig 10 3 RX
15. _ Fig 11 2 RX AUDIO SUBCARRIER FILTER ELECTRICAL SCHEMATIC lt lt 22 22 0 lt 55 TOME SSX UOOT UOOT ugor DOI uOOI 660 852 69 990 gt gt 92H gt gt 2x2 99 99 232 93A 99 ene 99 99 LEX lea EU 28011 28071 van i 8 1 1 R T 5 2 2 2 2 4 TOME TOME TOJE 2807 RUE _ eve _ eve _ eve FT T T Ore ELM I6 1 vee TOE Iva lt a 204 vo ZSE EEN Ley Ero ero SEA ZH 082182 ZH ZH OLS rE ius SED 53 78 DMT HMR USER S MANUAL s T N Z gt Q 2 z o o lt 2 2 _ Fig 11 3 RX AUDIO SUBCARRIER STAGE BALAN OUTPUT ELECTR SCHEMATIC ssa LW 19a 11 von 992 T 001 UDOT SSI 62 299 22 28011 lt 1 HOT
16. RS 330R R1 U1 330R 7805 Q IN OUT GND Ci ce OS 10u 100n 100 100 L1 100nH CS c nes 100p 100p 2 100 25 N Re R4 19986 RS R7 330R 330R DMT HMR P USER S MANUAL 34 78 DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 7 2 TX PRE AMPLIFIER COMPONENT LAYOUT DB 9606 018 7 2 PRE AMPLIFIER PARTS LIST DB 9606 018 ITEM QUANTITY REFERENCE PART 1 1 10u Elett SMD 2 3 C2 C3 C4 100n SMD 3 3 C5 C6 C7 100p SMD 4 6 R1 R2 R4 R5 R7 R8 330R SMD 6 2 R3 R6 18R SMD 7 1 Ul 7805 8 1 U2 INA 10386 9 1 U3 UNA 25 Fig 7 3 TX 2 5W POWER AMPLIFIER SCHEMATIC RF OUTPUT 2W OW Sampling of direct output power POWER AMPLIFIER vcc 12V DMT HMR P USER S MANUAL 35 78 DB ELETTRONICA TELECOMUNICAZIONI S p A 8 IX AMPLIFIER POWER SUPPLY SECTION Fig 8 1 TX AMPLIFIER POWER SUPPLY ELECTRICAL SCHEMATIC DUT Ja 1 2 V 5 00 5 O 3 e e u O QJ 5 e V u O e 54 010 0 Y lt 2 9 Y e e u 2 O in 4 lt 2 9 J 9 ul ol iD m gt 12 9 x a 7 u LJ Z y gt gt
17. 99 23 78 DMT HMR USER S MANUAL lt T 9 Z gt 2 Z 2 z o 2 lt 2 Z e _ Fig 4 5 TX AUDIO SUBCARRIER STAGE COMPONENT LAYOUT DB 9407 017 9704 017 DB ELETTRONICA 24 78 DMT HMR P USER S MANUAL DB ELETTRONICA TELECOMUNICAZIONI S p A 4 1 TX AUDIO SUBCARRIER STAGE PARTS LIST ITEM QUANTITY REFERENCE PART 1 16 C1 C3 C4 C16 C17 C19 C20 100n poly cap C21 C22 C23 C32 C37 C45 C49 C61 C63 2 3 C5 C6 C7 4n7 poly cap 3 2 8 9 100 4 5 10 11 42 43 57 10 5 2 13 12 330 6 7 24 25 38 44 50 59 60 10u Elect cap 25V 7 8 C26 C27 C28 C29 C30 C31 C33 C34 3n3 poly cap 8 2 C35 C36 68p cer cap NPO 9 4 46 56 62 58 10 10 1 51 lu POLY cap 11 1 52 220 12 2 55 53 270 13 1 54 47011 POLY 14 2 D2 D1 1N4148 DIODE 15 1 D3 130 Varicap 16 2 F1 F2 EMI EMI filters 17 9 JP1 JP9 JP2 JUMPER X2 18 6 10 9 15 JUMPER X2 19 2 91 94 14 20 1 92 SMB CS 21 1 J3 XLR Cannon CS F 22 2 L2 L1 10u Inductance 23 1 L3 STYLE 5 Inductance 24 1 14 4117 Inductance 2
18. DB ELETTRONICA TELECOMUNICAZIONI S p A MMT P DMT HMR P Portable 2 GHz Microwave Audio Video link User s Manual Release 1 0 DB ELETTRONICA TELECOMUNICAZIONI S p A Via Lisbona 38 35127 7 1 SUD PADOVA ITALY Tel 049 870 0588 Fax 049 870 0747 http www dbbroadcast com DMT HMR P USER S MANUAL 1 78 DB ELETTRONICA TELECOMUNICAZIONI S p A SAFETY NOTICES WARNING To avoid risks of electrical shocks or fire only qualified personnel should execute the procedures specified in this manual WARNING When the protective covers of any device or component connected to a 110 240 VAC source by a power cord are removed voltages and currents dangerous to life may be exposed WARNING Contact with 110 240 Volts of alternating current and associated direct current and voltages can be fatal DANGEROUS 2 RISK OF ELECTRICAL SHOCK DO NOT OPEN CAUTION To reduce the risks of electrical shock do not remove the cover or the back Refer for servicing to qualified service personnel This installation should be done by a qualified person and should conform to all local applicable laws NOTICE ALL THE SPECIFICATIONS AND TECHNICAL INFORMATION IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE DMT HMR P USER S MANUAL 2 78 DB ELETTRONICA TELECOMUNICAZIONI S p A INDEX 1 MMT HMT P GENERAL DESCRIPTION
19. un deg 48 d89 dozt dag dr dozt Z 681 k 025 613 199 412 919 092 19 x or 191 620 vl L IL e 100 3I oj 5718 43a 100 23 ce pa 29A ino 21901 LANI Eke 33138 3NNL QNO 31 svia 31 mcr 1 100 299 ide Sr 239v NI 3I ET doc Sas Sus dos ea 125 815 519 213 3 x28 Ly ca 2 585 c 9 un gt 83 era woot 28 nos p aoc a z js 55 m Lvs28 lt 9001 4001 dz dozi dg 996 408 299 428 996 dozi 981 dzy 0666 vos aws 9021 doc 9071 dzy 899 9001 2 996 4001 edo 9021 9 7 doc 6908 625 9 T dozi doc 9021 dzz 899 dag 297 946 489 dp 899 902 dzz dgs 0064 225 aoee 6a ota 902 489 428 90011 801 dozi ON 899 9021 doi 90011 928 deg 0204 T 092 t29 619 812 419 919 212 012 69 AON3nO38 GQSVINVIS 8 en om T N Z Q 2 z o o _ lt 2 2 e
20. 007 sm Sro 160 J 01 HOT M I Wd 3 zt 2 LX uz 8 D3GIAJ 5 A9 SX rx 15 2 lt 29 9 orr lt 19 x OX ET lt 4001 979 E oL 4095 gt 01 Esa A NOL 9 vo OOO 473 2115 55 LH el amp eor aon gt d 2 TIA 560 gon gt 9 nor MOT evo 094 voor L aa SSA 654 2v2 T 14 N 9 110 50762 en lt 55 16 78 DMT HMR USER S MANUAL DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 3 7 TX VIDEO STAGE COMPONENT LAYOUT DB 9704 019
21. 10386 Trans DMT HMR USER S MANUAL 63 78 514 514 514 514 vSI4 5 1 3 2514 1514 E 131 d AGI 4 TWNBIS X901 Tid 5 uot 1 419 5 8 2 ASI A9 O ra 9 s ASI E un 2 1 5 Un 919 Tir 2 4 lt ASI oh a Q 7 of lt 5 2 Q 25 o 0047 615 012 002 065 522 es 54 WAZ 29A9 E 9 lt gt gt gt 1 Q go 2 1 8 E e 9 VAT z ASI 2 5 XIN3UHd 7 T ipe 0 nooo g A 5 eT lt 4 2 eet un gt E 2 100 NI oa X Sr 9 6167 d X 6r daww HT rlele anor lh 98 aur 4444 5 XI
22. 4001 0629 DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 10 7 RX VIDEO STAGE COMPONENT LAYOUT DB 9704 018 06 08 Q R82 622 667 47 637 048 C 3 1 0 F2 SQ 649 C46 C 13 0 DB ELETTRONICA 9704 018 15 r 0000 C60 R7 10 C61 DMT HMR P USER S MANUAL 49 78 DB ELETTRONICA TELECOMUNICAZIONI S p A 10 1 RX VIDEO STAGE PARTS LIST ITEM QUANTITY REFERENCE PART 1 8 C1 C3 C8 C12 C40 C42 C46 C49 10n POLY cap 2 11 2 29 C13 039 C41 CA5 10u Elec cap 25V C48 C55 C56 C58 3 1 C5 47 4 1 Mur brown 5 1 C7 Mur green 6 13 CL0 4 C11 C 19 0204
23. 7 11 25 33 C8 C24 C9 C12 C13 C14 C18 C22 C23 C26 C27 C28 C29 C34 C37 C38 C39 C42 C10 15 17 C16 C19 C35 C40 C44 C31 D1 D2 J1 J2 J4 J5 J3 L1 L6 L7 L2 L3 L4 L5 L8 L9 L10 L11 01 02 03 05 04 07 08 06 R1 R3 R4 R6 R11 R13 R14 R16 R17 R19 R27 R28 R2 R5 R12 R15 R18 R26 R7 R21 R25 R34 R37 R41 R8 R20 R42 R9 R10 R22 R24 R36 R29 R30 R31 R32 R33 CER cap SMD Arancio VARIABLE cap 22pF CER cap SMD 22p CER cap SMD 10n CER cap SMD 10u Electrolytic cap 10u Electrolytic cap 10nF CER cap SMD CER cap SMD 10u Electrolytic cap 33p CER cap SMD 56p CER cap SMD 100n CER cap SMD 10uF Electrolytic cap HP2811 diode SMB connector DB9 9 poles connector 0 1uH inductor SMD 0 22uH inductor SMD inductor SMD 47uH inductor SMD 0 47uH inductor SMD BC547 NPN transistor U310 FET transistor SMD SMD SMD SMD SMD MSA 0104 Micr integ amp INA10386 Micr integ amp MSA 1104 Micr integ amp 270R res SMD 18R res SMD 470R res SMD 390R res SMD 1K res SMD 27R res SMD 56R res SMD 1K5 res SMD 560R res SMD 75R res SMD 100K res SMD DMT HMR USER S MANUAL 60 78 DB ELETTRONICA TELECOMUNICAZIONI S p A ITEM QUANTITY REFERENCE PART 39 1 R35 100R res SMD 40 1 R38 27K RES 1 8W 41 1 R39 1K5 RES 1 8W 42 1 R40 10K res SMD 43 1 R43 390 res SMD 44 1 U1 SL1454 I C 45 1 U3 SAF70MB Integ I F filt 46 1 U4 78L05 Volta
24. 6 2 2 022 yiti aell S S NNNNNNNNNNIIII ge 4001 NNNN d 1 Iva N n 2 tre IHd 1 o T 5 5 a l HS de HOOT B B yen ae HOOT 4 9 9 2 2 Id ISISVTOW T ZHN00 F UOOT MOOT Im 0 82 812 ZID 012 gt lt 29 78 DMT HMR USER S MANUAL DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 5 4 MODULATION STAGE COMPONENT LAYOUT DB 9506 005 511 512 O O O O O O O O O O O OQ O oO O 0O 0O O O O O 0O 0O 4 UT 0 141 COAXIAL CABLE DMT HMR P USER S MANUAL 30 78 DB ELETTRONICA TELECOMUNICAZIONI S p A S MODULATION STAGE PARTS LIST ITEM QUANTITY REFERENCE PART 1 1 C1 1 0 CER SMD 2 2 C2 C3 3p3 CER SMD 3 2 10 11 212 CER SMD 4 3 C12 C13 C20 220n CER SMD 5 11 C14 C72 C73 C75 C76 C78 1n CER SMD C79 C83 C85 C92 C93 6 2 15 16 100n CER SMD 7 1 C17 56p CER SMD 8 1 C18 ORANGE VAR CAP SMD 9 2 C20 C64 220u ELECT CAP SMD 10 3 C21 C84 C86 33u ELECT CAP SMD 11 1 C22 1041 ELECT CAP SMD
25. ut S42 gt ASI oon 255 HEBES T vOTLVSW 4002 4002 30 3808 T lt LSA SSA 27 DAK dvOIsVvA nzy M 24 001 614 lt lt 95 9 38 Z Ul ysl Ul dot S8vlv l1Vv 42 954 2 2 55 ese dri 98 01 VNI vo lt nee 4742 Ul 4742 D 121 21 a gt 3005 1 nee 2 555 4006 N D 5 ASI ASI 28 78 DMT HMR USER S MANUAL lt un Z gt Q 2 z o o lt Q Z x _ Fig 5 3 MODULATION STAGE PLL ELECTRICAL SCHEMATIC n 685 ASI nee 982 5001 063 dvolav A ASI AST S 8 S did e 2 45 IAS tole 51711 11111111 111 x 218 9 8 2 Y B nos LE prs ene SI IIO 29 919
26. 0 2 N e 5 gt 0 gt 14 O Y gt 0 n 0 ua Gh Y 2 4 oS gt n c3 o Sfi 5 O QJ u au S DMT HMR USER S MANUAL 36 78 DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 8 2 TX AMPLIFIER POWER SUPPLY COMPONENT LAYOUT DB 9610 002 2 85 2510 ANE 5 ER 5 our 21 5 7 51 8022 R1 e 0 5 o 2 R5 c4 5 IN 40 HO RS 9610 002 8 1 TX AMPLIFIER POWER SUPPLY PARTS LIST ITEM QUANTITY REFERENCE TYPE PART 1 1 Electrolytic capacitor 63 2200 2 2 2 5 Polyester capacitor 63V 100n 3 1 C3 Ceramic capacitor In 4 2 C4 C8 Electrolytic capacitor 63 417 5 2 C6 C7 Electrolytic capacitor 50 22000 6 1 C9 Polyester capacitor 63V lu 7 1 Ql Integrated circuit 518023 8 1 L1 Inductor BSN0510 9 2 J2 J3 Morsetto CSV 2 pin AK7002VIE 10 1 02 Integrated circuit STR7103 11 1 Resistor 1 4W 1M 12 1 R5 Resistor 1 4W 680R 13 1 R3 Resistor 08012 6A 14 1 R4 Trimmer mul 10k DMT HMR USER S MANUAL 37 78 DB ELETTRONICA TELECOMUNICAZIONI S p A 9 DMT HMR P FUNCTIONAL DESCRIPTION The 2 GHz receiver is composed of two fundamental parts I DMT Microw
27. AL8GHz 2 Audio subcarrier stage DB 9704 016 5 Transformer 3 Power supply 8V 2V DB 9602 011 6 VCO stage DMT HMR P USER S MANUAL 40 78 DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 9 3 DOWN LAYOUT DB 9601 005 1 Video Demodulator 70MHz 2 4 6 Bandpass Filter 2 GHz 3 5 Front end 7 Connection to the feeder DMT HMR P USER S MANUAL 41 78 DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 9 4 RECEIVER GENERAL BLOCK DIAGRAM OOS JOPOINPOLU WIN eui 0 ponuep s 10301250 000 y esnp2eq BZ 01 Z sebod PUD 09143989 204 n 6 4011 zi SS ZHW OZ dl SSA 40191 00140 10 F abou SL uu m 2 Nouvinaoa 4 ene d 1 40141011 OJA 9 P INCONA 42 78 DMT HMR P USER S MANUAL 34 un Z gt Q Z 2 z o Q lt Q Z _ 10 RX VIDEO STAGE Fig 10 1 RX VIDEO STAGE GENERAL ELECT
28. DMT HMR P USER S MANUAL 69 78 DB ELETTRONICA TELECOMUNICAZIONI S p A Receiver characteristics ld dut edu 90 to 15 dBm 50 Q Video de emphasis by passable 625 lines BB Video output level nius nto 1 Vpp 75 0 Video oUtplit CODBeet eT BNC Audio output level Af 75 kHz peak 3 to 12 dBm 6000 bal unbal Audio de emphasis bypassable sse 50 uS 75 uS Powersupply pus 110 220 15 50 60 Hz Transmitter receiver general data Outdoor operating temperature range 20 to 50 Outdoor operating humidity range lt 95 TX RX Dimensions 2 000 000000000000000 8 305 x 400 x 140 mm MMT HMT P DMT HMR P USER S MANUAL 70 78 DB ELETTRONICA TELECOMUNICAZIONI S p A 16 INSTALLATION 16 1 INSTALLING MMT HMT P For installing the MMT HMT P transmitter perform the following steps 1 Power the device with the cable supplied 2 Remove the first panel 3 On the second panel connect the filter to the feeder 4 Power on the equpment The PWR led on front panel should light up The LOCK led on front panel should light down 5 Connect a video signal with BNC connector video input It may be necessary to set the modulation depth in correspondence of video inpu
29. HN N U N P HAN H B gs H BU BH R9 R10 R11 R66 R12 R16 R18 R44 R46 R74 R75 R15 R17 R19 R21 R22 R23 R24 R29 R30 R35 R36 R42 R51 R54 R25 R26 R32 R38 R27 R28 R31 R37 R63 R72 R33 R34 R39 R40 R41 R43 R45 R47 R48 R49 R55 R58 R50 R59 R52 R60 R53 R56 R57 R61 R62 R64 R65 R67 R69 R70 R76 R71 R73 TP1 Td mo qug ma T5 U1 U2 U3 U4 U5 U6 U7 330R RES 1 4W 4 7 RES 1 4W 56R RES 1 4W 10K RES 1 4W 5K62 RES 1 4W 15K RES 1 4 47K TRIM MG RV 3K57 RES 1 4W 1 536R RES 1 4W 1 3K01 RES 1 4W 1 3K3 RES 1 4W 2K TRIM MG RV 4K64 RES 1 4W 1 2K74 RES 1 4W 1 2K2 RES 1 4W 4 02 RES 1 4W 1 1K91 RES 1 4W 1 2 61 RES 1 4W 1 301K RES 1 4W 1 1M RES 1 4W 1 100K RES 1 4W 10K RES 1 4 1 5K62 RES 1 4W 1 4K87 RES 1 4W 1 27R RES 1 4W 1 1K2 RES 1 4W 1 1K78 RES 1 4W 1 4M7 RES 1 4W 1 50K TRIM MG RV 50K TRIM MG P 47R RES 1 4W 82R RES 1 4W 1K RES 1 4W 13K RES 1 4W 10K RES 1 4W TP TEST POINT Style 5R Inductance TOKO Inductance TLO82 OP AMP DMT HMR USER S MANUAL 58 78
30. POLY 6 3 9 21 62 56p 7 2 10 19 22 8 4 11 16 20 60 120 9 2 12 18 6 8 10 2 C13 C61 4 7 cap NPO 11 2 14 17 68 12 1 15 5p6 13 2 C25 C24 lu Elec cap 25V 14 3 C30 C31 C32 417 POLY 15 3 C33 C42 C43 104 Elec cap 25V 16 8 5 gt 41 44 3n3 POLY 17 1 50 12 18 1 C63 100p 19 1 64 27 20 1 65 56 21 1 66 470n POLY 22 2 67 68 23 2 21 02 1 4148 DIODE 24 4 151 152 153 154 5 3 5 25 2 1 2 filters 26 1 189 27 8 JP1 JP2 JP3 JP7 JP11 JUMPER X2 28 2 JP5 JP4 JP JUMPER X3 29 2 JP6 JP12 JP 30 1 5 5 31 2 23 42 CONN14 14AP 32 1 74 XLR XLR male 33 1 L3 22uH axial 34 1 L4 1Mh AXIAL IND 35 1 01 BC547 trans 36 1 1 22K RES 1 4W 37 1 R4 47K RES 1 4W 38 1 R5 20K TRIM MG RV 39 2 R6 R68 8K2 RES 1 4W 40 2 R7 R14 1K2 RES 1 4W 41 1 R8 120R RES 1 4W DMT HMR P USER S MANUAL 56 78 DB ELETTRONICA TELECOMUNICAZIONI S p A ITEM QUANTITY REFERENCE PART 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 M Hog Ho B H U H P H BH N P
31. 12 1 65 104 TANTALUM 13 1 67 10 CER SMD 14 3 C87 C88 C98 in feed trough 15 2 C90 C89 10 CER SMD 16 1 C94 1n CER SMD 17 1 C95 4u7 ELECT CAP SMD 18 1 96 1041 ELECT CAP 19 1 C97 1n CER SMD 20 1 C99 33u ELECT CAP SMD 21 1 D1 1N4148 Diode SMD 22 1 D7 BB811 Diode Varicap SMD 23 2 JP1 JP2 JP2 JUMPER 2 poles 24 1 JP3 JP2 JUMPER 2 poles 25 2 11 472 SMB connectors 26 4 L7 L20 L23 L24 47 Inductance SMD 27 1 119 474 Inductance SMD 28 1 122 25mm Coaxial cable 29 1 125 VK200 Inductance 30 1 Q4 INA10386 Micro int amp 31 1 Q5 AT 41485 Micro int amp 32 1 06 MSA1104 Microw int amp 33 6 R1 R2 R3 R4 R5 R14 100k R SMD 34 3 R6 R7 R52 15K R SMD 35 1 R8 4 7 R SMD 36 1 R9 1K R SMD 37 2 R11 R12 220K R SMD 38 2 R58 R13 100R R SMD 39 2 R56 R53 18R R SMD 40 1 R54 150R R SMD DMT HMR P USER S MANUAL 31 78 ITEM QUANTITY DB ELETTRONICA TELECOMUNICAZIONI S p A REFERENCE PART 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 R55 R57 R63 R64 R59 R60 R61 R62 R65 R66 R67 R68 571 572 U2 U3 U6 U7 U8 1 300R R SMD 180R R SMD 220R R SMD 2K2 R SMD 22K R SMD 75R R SMD 108 SMD 390R R SMD DIP SW 8 Dip switches MC145151 Integr cir SMD LM358 Integr cir SMD 78L05 Voltage reg MB506 Integr cir SMD 79L12 Voltage reg 4 00MHZ quartz cry SMD DMT HMR P USER S M
32. 5 Hz to 5 MHZ within 0 5 dB Group delay in video band 5 Hz to 5 2 within 20 ns Ditterential lt 2 Differential 227 Audio channels frequency response 30 Hz to 15 2 within 0 5 dB Audio channels THD 1 kHz 0 dBm CUR GG OF lt 0 3 96 Transmitter characteristics Modulation ctos ce CCIR 405 1 brequenmev u e BA DANN 20 MHz pp Output DOSVGE us a ansa ou EL 2W for HMT2 2G or 5W for 5 2G VDC Output conector eon cus esu e c UR Stes N female Video mput sin ons nates I DIS sid mies 1 Vpp 75 unbal Video input connector p e E t BNC Video preemphasis ei Ra 625 lines Audio input level Af 75 kHz 3 to 12 dBm 600 Q bal unbal Audio input connector ectetur e eset e nex ag oo ost cue e aes vv XLR female Audio pre emphasis 50 uS 75 uS Audio subcarrier frequencies 7500 8065 MHz Powersupply su aasan a tue 110 220 15 50 60 Hz
33. 7 5 330 5 2 C8 C6 220p cer cap 6 C9 82p cer cap NPO 7 1 11 120 8 1 12 1500 9 1 C13 150pF POLY cap 10 3 14 15 27 10 POLY 11 2 19 20 Mur brown 12 1 C47 in Cer C48 13 7 C22 C24 C25 C26 C42 C43 C48 104 Elec cap 25V 14 2 C36 C61 220n POLY cap 15 1 C37 10 16 1 C38 22u Elec Cap 25V 17 2 C50 C54 47 18 T C53 33p NPO 19 2 C52 68p NPO 20 1 C53 39p NPO 21 1 C55 4p7 NPO 22 9 D1 D2 D3 D4 D5 D6 D7 D8 D9 1N4148 DIODE SI 23 1 D10 9V1 Zener diode 24 3 F1 F2 F3 EMI 25 7 JPl1 JP2 JPA JP9 JP11 JP13 JUMPER X3 26 5 JP3 JP5 JP6 JP7 JP10 JP2 JUMPER X2 27 5 909 28 7 12 5 26 27 48 49 411 SMB SMB CS 29 3 3 4 10 CON14 30 1 L1 10Uh inductance 31 1 L2 6u8 inductance 32 2 02 01 2 2222 transistor 33 1 Q3 BF245 FET transistor 34 8 R1 R2 R3 RA4 R51 R57 R66 R78 100 RES 1 4 35 5 2 28 629 030 031 035 OR 1 4W 36 5 R5 R11 R14 R15 R17 75R 1 4W 1 37 2 R6 R12 274R 1 4W 1 38 2 R7 R8 2K2 1 4W 39 9 R9 R24 R25 R26 R28 R39 R42 R55 R71 1K 1 4W 1 40 2 R10 R58 4 7 1 4W 1 41 1 13 4785 1 4W1 42 1 R16 301R 1 4W 1 43 1 R18 18R 1 4W 1 DMT HMR USER S MANUAL 18 78 DD ELETTRONICA TELECOMUNICAZIONI S p A ITEM QUANTITY REFERENCE PART 44 1 R19 15 1 4W 45 2 R20 R22 680R 1 4W 46 1 R21 6K8 1 4W 47 5 R31 R32 R33 R34 R43 2K7 1 4W 48 1 RAO 1 5 1 41 49 3 R
34. AT gt OOT 28011 08 YNI 8 04 69a 701 bra ALA TOHE es LSN UDOT 253 001 ESI 299 280141 aon 2807 ven ssa 001 8v2 001 594 IDA 0S a 54 78 DMT HMR P USER S MANUAL DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 11 4 AUDIO SUBCARRIER STAGE COMPONENT LAYOUT DB 9704 016 954 192 49 u nd e ho e C48 655 O C asco 2 9 5 2156 C 12 1519 110 T 63 t DMT HMR P USER S MANUAL 55 78 DB ELETTRONICA TELECOMUNICAZIONI S p A 11 1 RX AUDIO SUBCARRIER PARTS LIST ITEM QUANTITY REFERENCE PART 1 18 C1 C3 C8 C22 C23 C45 C46 100 POLY 48 49 51 gt 59 2 1 220 3 1 C5 1004 Electrolytic 4 2 C6 C26 47 Elec cap 25V 5 5 7 27 28 29 47 10
35. Ei wa J B _ H LS DMT HMR P USER S MANUAL 10 78 34 un Z gt Q Z 2 z o Q lt Q Z _ 3 TX VIDEO STAGE Fig 3 1 TX VIDEO STAGE GENERAL ELECTRICAL SCHEMATIC 9 1 32295 2661 Be 5354 i 610 0 6 4 ZUSeUNDOG 22 5 HOS S 9 2 2 2 NINYO ANS TZ 08066 1 1 1 1 BE uogas by yds INDIZVOINDWDO232331 1373 aa EN 19 5055 g Aat Wd O 22 ed 001 T is 3994 DJIA O DIA S 001 oia I ans 4 75 ga 001 I 8 ans 2 2 S 001 ans 22 Zr oort 1a T gas VEG I _ gas s ino tet AWS d D3GI 39A
36. GENERAL ELECTRICAL SCHEMATIC REV of O V 1 CS 7 In C88 In Sheet O 1 6 9506 005 D C 0 5012 214 gt gt ES in in lt lt 18 2 3 5 0 gt gt Y 1 0 on 9 gt gt s pe E Sos D 9 d gt gt gt e m 53 0 Y LJ Y 2 0 1 O lt O O amp A J vos O Y a gt n Y O e o gt n gt M QD u DMT HMR P USER S MANUAL 27 78 lt un e gt 2 aml Z 2 z o o lt 2 2 _ p gt Ul lt 872 T 642 T gt ene 022 ONS 129 N 192 9 4722 ino NI ASI ASI 22 998 20782 21162 E en an AS nzy lt Q ul T not 5 v 3592 UNE S 9 S IAS STE J 5 8 NI NI 1 Q 683 62 92
37. Leave jumpers open so that the sum of the weights is the channel frequency EXAMPLE Setting a channel with carrier at 10500 MHz The up converter and the down converter make a 9300 MHz frequency transposition therefore it is necessary an IF of 1200 MHz Transmitter for 1200 MHz carrier the weights to set off leave jumper open in the VCO board are 1024 MHz 128 MHz 32 MHz 16 MHz Fig 16 3 TRANSMITTER JUMPERS VCO BOARD ON MMT 7HNO00 v9 ZHN000 2 00031 21110008 21110007 21108600 21162170 2 0007001 7HNOO0 LS 7HNOO0 9Gc 4000 82 gt gt lt OTO DMT HMR USER S MANUAL 75 78 DB ELETTRONICA TELECOMUNICAZIONI S p A Receiver for 1200 carrier it is necessary to subtract the 70 MHz reference frequency obtaining 1130 MHz the weights to set in the local oscillator L O board are 1024 MHz 64 MHz 32 MHz 8 MHz 2 MHz Fig 16 4 RECEIVER JUMPERS BOARD ON DMT 2 000779 21000766 24000 91 21100078 21110007 21100076 21100071 21100870 210820 21186170 2 00079201 7HNO00 C LG 2111000 986 HNOO0 8C I 4 4 H lt gt gt gt
38. RES 1W4 45 1 R29 2K2 46 1 R11 10K TRIMMER 47 6 R12 R27 R32 R37 R38 R39 10k RES 1W4 1 48 3 R13 R15 R16 10K RES 1W4 1 49 2 R14 R18 20K RES 1W4 50 1 R17 4K7 RES 1W4 51 17 R19 R21 R22 R23 R26 R56 10K RES 1W4 R58 R59 R61 R63 R64 R71 R72 R74 R75 R76 R77 52 1 R25 20K TRIMMER MG RV 53 1 R28 OR RES 1W4 54 T R31 8K2 RES 1W4 55 2 R33 R35 154R RES 1W4 1 56 1 R34 95R3 RES 1W4 1 57 1 R36 301R RES 1W4 1 58 1 R40 188 RES 1W4 1 59 5 R41 R44 R47 R50 R82 390R RES 1w8 60 4 R42 R46 R49 R51 33K RES 1w4 61 4 R43 R45 R48 R52 1K2 RES 1W4 62 1 R54 10K TRIMMER MG RV 63 1 R57 22K RES 1W4 64 1 R60 33K RES 1W4 65 1 R62 50K TRIMMER MG RV 66 1 R65 100K RES 1W4 67 1 R66 56K RES 1W4 68 1 R68 47K RES 1W4 69 2 R73 R70 560R RES 1W4 70 4 R78 R79 R80 R81 568 RES 1W4 71 1 R83 390K RES 1W4 72 3 T1 T2 T73 STYLE 5R Inductance 73 2 U1 U3 AD818 Op amp 74 2 02 04 TLO84 amp 75 1 U5 79505 Voltage reg 76 1 U6 4093 CMOS I C 77 1 U7 4029 CMOS I C 78 1 U8 4051 CMOS I C DMT HMR USER S MANUAL 51 78
39. RX VIDEO STAGE GENERAL ELECTRICAL 5 2 43 9 6 RX VIDEO INPUT ELECTRICAL 5 44 9 7 RX VIDEO SC AUDIO ELECTRICAL 5 2 45 9 8 RX VIDEO PROCESSOR ELECTRICAL 5 46 9 9 RX VIDEO MEASURES ELECTRICAL 5 47 9 10 RX MEASURES CONTROL ELECTRICAL 5 em enne 48 9 11 RX VIDEO STAGE COMPONENT LAYOUT 9704 018 49 9 12 AUDIO SUBCARRIER STAGE GENERAL ELECTRICAL SCHEMATIC esee 52 9 13 RX AUDIO SUBCARRIER FILTER ELECTRICAL 53 9 14 RX AUDIO SUBCARRIER STAGE BALAN OUTPUT ELECTR 54 9 15 RX AUDIO SUBCARRIER STAGE COMPONENT LAYOUT 9704 016 55 10 1 DEMODULATOR STAGE ELECTRICAL essen ee emen en 58 10 2 DEMODULATOR STAGE COMPONENT LAYOUT DB 9601 005 59 12 5 RX AMPLIFIER ELECTRICAL DIAGRAM DB 9606 019 62 12 1 RX AMPLIFIER COMPONENT LAYOUT DB 9606 019 63 11 1 DMT PWR SUPPLY ELECTRICAL 5 2 64 11 2 MMT DMT PWR SUPPLY COMPONENT LAYOUT 8 2 65 11 3 HMT HMR POWER SUPPLY ELECTRICAL SCHEMATIC eee emen enn enne 67 11 4 HMR POWER SUPPLY COM
40. 02 011 U2 15 B C13 19 CD z Lod 01 8 R4 5 40 i4 ch E S 3 L3 b RG amp e 8 s R2 14 2 HMT HMR POWER SUPPLY PARTS LIST ITEM QUANTITY REFERENCE PART 1 4 C1 C14 C15 C16 220u Elett 25V 2 2 C2 C10 C17 100n Mult 3 3 C3 C11 C18 10 Cer 4 1 C4 1n Cer B 1 5 100 6 3 6 9 12 10 Elett 25V 7 4 C7 C8 C13 C19 100n Pol 8 4 L1 L3 L4 L6 VK200 9 1 L2 270u Tor 10 1 15 1000 11 1 1 1N5819 Diode 12 1 Ql BD140 Trans 13 1 UI 478540 14 1 CNI AMP Conn 4 15 1 0847 2W 5 16 1 22 1006 1 2W 5 17 1 270 1 2 5 18 1 4 15 1 4W 5 19 1 R5 1 2 1 4W 5 20 1 R6 1K Var trimm DMT HMR USER S MANUAL 68 78 DB ELETTRONICA TELECOMUNICAZIONI S p A 15 TX AND RX TECHNICAL SPECIFICATIONS Overall IF IF specifications IFE sta dard Trequency u uyu E er d 70 IF standard group delay 8 MHz lt 3 ns Overall specifications 43 dBm at veceiver input amplitude frequency response 5 Hz to 9 1 MHz edsgd within 0 9 dB Video amplitude frequency response
41. 45 R47 R48 10K 1 4W 1 50 2 R46 R49 20K 1 4W 51 11 R50 R52 R53 R54 R59 R60 R61 R62 R63 R64 R81 10K 1 4W 52 1 R56 100K Trim MG RV 53 1 R65 560R 1 4W 54 1 R70 330R 1 4W 55 4 R72 R73 R74 R75 56R 1 4W 56 1 R76 68R 1 4W 57 1 277 470R 1 4W 58 2 R79 R80 22k 1 4W 59 1 R29 2K Trim MG RV 60 1 RA1 10K Trim 61 5 R35 R36 R37 R38 R44 1K Trim MG RV 62 1 R30 10K Trim MG RV 63 3 11 E2 RED Style 5 64 3 01 02 03 AD818 65 1 U4 TL084 66 1 U5 79L05 67 T U6 4093 CMOS I C 68 1 U7 4029 CMOS I C 69 1 U8 4051 CMOS I C DMT HMR P USER S MANUAL 19 78 34 un Z gt Q 2 z o Q lt Q Z _ 4 TX AUDIO SUBCARRIER STAGE Fig 4 1 TX AUDIO SUBCARRIER STAGE GENERAL ELECTRICAL SCHEMATIC gt 39 1 32295 8661 S 7590720 e 210 0 6 ty 2 2 2 PUSUNDOG 225 24001 0 93305 2 4103 214 11 VOINOS 113233 9 9 o wx ax er FI St Ei 38 38 21 d T 8 eB E NI Ay 2 NI 33A 22 lt 3 aws vINOO
42. 5 1 L5 10m Inductance 26 i 01 0310 FET transistor 27 2 03 02 237 transistor 28 1 1 680R RES 1 8W 29 3 R2 R5 R10 12K1 RES 1 4W 1 30 2 R3 R4 31 6 RES 1 4W 1 31 2 R6 R17 169K RES 1 4W 1 32 5 R7 R8 R41 R46 R51 1K RES 1 4W 1 33 1 R9 9K53 RES 1 4W 1 34 i R12 10K TRIMMER MG P 35 4 R13 R16 R47 R56 10K RES 1 4W 36 1 R14 10K TRIMMER MG RV 37 1 R15 100K RES 1 4W 38 2 R19 R18 301K RES 1 4W 1 39 1 R20 3K57 RES 1 4W 1 40 R21 4 64 RES 1 4W 1 41 1 R22 4K02 RES 1 4W 1 42 1 R23 2 61 RES 1 4W 1 43 al R24 536R RES 1 4W 1 DMT HMR USER S MANUAL 25 78 DB ELETTRONICA TELECOMUNICAZIONI S p A ITEM QUANTITY REFERENCE PART 44 T R25 2K74 RES 1 4W 1 45 1 R26 1K91 RES 1 4W 1 46 6 R27 9 832 3K01 RES 1 4W 1 47 1 R55 1K5 RES 1 4W 1 48 1 R33 3 K3 RES 1 4W 49 3 R34 R35 R54 2K2 RES 1 4 50 3 R36 R37 R38 2K TRIM MG RV 51 2 R39 R57 47 1 4 52 T R40 220K RES 1 4W 53 1 R42 68R RES 1 4W 54 1 R43 39K RES 1 4W 55 1 R44 5K6 RES 1 4W 56 1 R45 82R RES 1 4 57 1 R48 10R RES 1 4 58 1 R49 470R RES 1 4 59 1 R50 220R RES 1 4W 60 1 R52 120R RES 1 4 61 3 T1 T2 T3 TOKO Inductances 62 1 01 TL084 OP AMP 63 4 02 03 04 05 TL082 OP AMP 64 1 U6 78L08 Voltage reg 65 1 U7 MC145151 PLL 66 1 MeL 2 048MHz Quartz Crystal DMT HMR P USER S MANUAL 26 78 DB ELETTRONICA TELECOMUNICAZIONI S p A 5 MODULATION STAGE Fig 5 1 MODULATION STAGE
43. 8180y 94 In I S2 euouu0u a e 20 2j 112 oN SH mr em A 9 XAWA 02 00A 60 7 70 t 49 nor 5089 2H LE zo FIJA 46 78 DMT HMR USER S MANUAL 92A0 ss Sy 22 0 lt 22 yes gt AOI Sa 2 h dor nee Q gt 812 9 5 lt Tea 2 Z N 5 8 gt ci 01 woot 780 11 227 78071 v 023 Tal z oen 8 001 S 612 zl 2 5 o lt 5 o 80 1 Z 121 78011 gt 5 S 7 i 341 4 S HOT 1 2 01 ota gt D 20 813 4 2105 022 s 995 47 78 DMT HMR USER S MANUAL
44. 9 6 419 919 2 MOOT 2222N2 KJ OT A 909 01 sas NOT UOT 9222 283 089 GI 023 sta gt A 4 14 78 DMT HMR USER S MANUAL HOS v 15 78 A9 gt E 990AO B 22A lt 99A0 B 22 lt un n lt 2 2 701 SOT E cim N dor 5 E 962 4560 855 ES 3 2 01 lt 6 9 9 001 01 lt gor 78071 E ovn 5 3 gt 780311 Ses v8021 arn 2128 5 2 de W de HOI 199 u en Bry 8 20 SvlvNI 001 001 12 02 92A0 V 55 660 Ora Si 9p Lv 202A0 55 99 955 DMT HMR USER S MANUAL T un Z gt Q 2 z Q lt Q Z _ Fig 3 6 TX VIDEO DISPLAY ELECTRICAL DIAGRAM
45. ANUAL 32 78 DB ELETTRONICA TELECOMUNICAZIONI S p A 6 FILTER STAGES 6 1 BAND PASS FILTER GENERAL DESCRIPTION The pass band filter permits to obtain a desired frequency by means a multiply of its input frequency Fig 6 1 BAND PASS FILTER ELECTRICAL SCHEMATIC 0 5 variable 0 5 variable 0 5 variable capacitor capacitor capacitor SMA L1 Le L3 P E L4 P The inductors are realized with d emm 1 23 mm 6 2 OUTPUT LOW PASS FILTER GENERAL DESCRIPTION The output low pass filter permits to eliminate the harmonic and spurious emission of the transmitting frequency and they are taken below the nominal value required by international standards No settings or adjustments are required even in case of transmitting frequency change within the maximum limits that we have indicated 20 MHz from pre imposed transmission frequency MMT HMT DMT HMR P USER S MANUAL 33 78 DB ELETTRONICA TELECOMUNICAZIONI S p A 7 TX AMPLIFIER SECTION 7 1 GENERAL DESCRIPTION The amplifier section 15 basically composed of a preamplifier DB 9606 018 30 dB gain that receive the input signal at 1 3 2 7 GHz and a power amplifier stage that furnish 2 or 5W output power The electrical schematic and layout components are following indicated Fig 7 1 TX PRE AMPLIFIER ELECTRICAL SCHEMATIC DB 9606 018
46. C30 C31 C53 Cb54 100n POLY cap C57 C59 C60 C75 C76 7 4 C14 C21 C29 C72 470u Elec cap 25V 8 2 C16 C71 220n POLY cap 9 1 C17 10 CER 10 1 18 220 Elec cap 25V 11 3 22 25 27 220 12 2 23 50 100 13 2 24 28 330 14 1 26 82 15 1 C32 4n7 Poly cap 16 1 C33 680p Poly cap 17 4 C34 035 0C36 037 33p CER cap 18 6 C38 C43 C44 C47 C52 C61 1n CER 19 1 254 lu Elec cap 25V 20 1 C62 33p cap NPO 21 1 C63 68p cer cap NPO 22 1 64 39p NPO 23 1 C65 47 cap 24 1 66 4 7 25 6 D1 D2 D3 D4 D5 D6 1 4148 DIODE 26 1 D7 5V1 Zener diode 27 1 D8 9V1 Zener diode 28 5 F1 F2 F3 F4 F5 EMI EMI filters 29 6 JP1 JP2 JP6 JP7 JP8 JP9 JP2 JUMPER X2 30 5 JP3 JPA4 JP5 JP10 JP11 JP3 JUMPER X3 31 5 1 2 3 4 5 SMB smb connector 32 1 J6 BNC BNC connector 33 3 7 8 9 CON14 34 1 11 417 inductance 35 1 L3 33uH inductance 36 6 01 02 03 04 05 06 2N2222 transistor 37 1 07 BC307 TRANSISTOR 38 1 08 237 TRANSISTOR 39 di R1 15K RES 1W4 40 3 R2 R4 R9 680R RES 1W4 41 2 R3 R69 6K8 RES 1W4 42 8 R5 R20 R67 R84 R88 100R RES 1W4 43 1 R6 2K TRIMER MG RV MMT HMT DMT HMR USER S MANUAL 50 78 DB ELETTRONICA TELECOMUNICAZIONI S p A ITEM QUANTITY REFERENCE PART 44 7 R7 R8 R10 R24 R30 R53 R55 1K
47. CARRIER STAGE GENERAL ELECTRICAL SCHEMATIC eee 20 4 2 TX AUDIO SUBCARRIER INPUT ELECTRICAL 5 21 4 3 TX AUDIO SUBCARRIER FILTER ELECTRICAL 5 22 4 4 TX AUDIO SUBCARRIER PLL ELECTRICAL 5 23 4 5 TX AUDIO SUBCARRIER STAGE COMPONENT LAYOUT DB 9407 017 24 5 1 MODULATION STAGE GENERAL ELECTRICAL 27 5 2 MODULATION STAGE VCO ELECTRICAL 5 28 5 3 MODULATION STAGE PLL ELECTRICAL 5 29 5 4 MODULATION STAGE COMPONENT LAYOUT DB 9506 005 30 6 1 BAND PASS FILTER ELECTRICAL 5 33 7 1 TX PRE AMPLIFIER ELECTRICAL SCHEMATIC DB 9606 018 34 7 2 TX PRE AMPLIFIER COMPONENT LAYOUT DB 9606 018 35 7 3 TX 2 5W POWER AMPLIFIER 5 2220 00 00000000000000000 00 35 8 1 TX AMPLIFIER POWER SUPPLY ELECTRICAL 6 emen 36 8 2 TX AMPLIFIER POWER SUPPLY COMPONENT LAYOUT DB 9610 002 37 9 1 DMT HMRZP ERONT VIEW uuu ont EG GR GR GN BHO O 39 92 DMI HMRJP UP LAYOUT titt rn PP GE PR RORIS 40 9 3 DMI HMR P DOWN LAYOUT Ree s eee wee 41 9 4 RECEIVER GENERAL BLOCK DIAGRAM sree 0 42 9 5
48. DIO CONNECTORS PINOUTS FOR 77 172 AUDIO CONNECTORS PINOUTS FOR 78 DMT HMR USER S MANUAL 3 78 16 16 FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG FIG DB ELETTRONICA TELECOMUNICAZIONI S p A FIGURES INDEX 2 ks MMT HMT VIEW eb em em e nene 7 2 2 OP LAY OU EE 8 2 3 MMT HMT 7P DOWN LAYOUT OREGON ONT ENTM HD Nd Nd 9 2 4 TRANSMITTER GENERAL BLOCK 10 3 1 TX VIDEO STAGE GENERAL ELECTRICAL 5 11 3 2 VIDEO INPUT ELECTRICAL SCHENATIC 5 0550 inana inka lu sua 12 3 3 TX VIDEO MIX ELECTRICAL SCHEMAT IC rene 13 3 4 TX VIDEO PRECORRECTOR ELECTRICAL 5 14 3 5 TX VIDEO MEASURES ELECTRICAL 1 nennen nnne eene 15 3 6 TX VIDEO DISPLAY ELECTRICAL DIAGRAM eese tnt 16 3 7 TX VIDEO STAGE COMPONENT LAYOUT DB 9704 019 emen 17 4 1 TX AUDIO SUB
49. N3UHd A IAM 0 moody s 2 1 eo N T Ji u 9 22 6a 1 100 NI ut ZIEWi ul vA09 poe XE 12 213 TOME 200 1 SS C 20 E 11 20 noos E gt 022 21 21 eNUS sr 27 64 78 DMT HMR P USER S MANUAL DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 14 2 MMT DMT PWR SUPPLY COMPONENT LAYOUT AL8GHZ DMT HMR P USER S MANUAL 65 78 DB ELETTRONICA TELECOMUNICAZIONI S p A 14 1 MMT DMT PWR SUPPLY PARTS LIST ITEM QUANTITY REFERENCE PART 1 3 C1 C10 C20 4700u Elett 2 2 100 Pol 3 3 4 5 11 10u 4 1 C8 1000u Elett 5 5 C12 C13 C14 C18 C19 In Cer 6 3 C15 C16 C17 10n Cer 7 3 D2 D3 D4 Red Led 8 2 D5 D6 KBLOS8 Bridge diode 9 2 D7 D8 1N4007 Diode 10 4 D9 D10 D11 D12 6 6 Diode 11 3 11 12 13 200 Ind 12 1 10u Axial ind 13 1 RV1 275V Varist 14 1 51 115 230V Change volt 15 1 UI LM317 Stab int 16 1 02 7915 Stab int 17 1 1 5x20mm Fus 18 3 J3 J4 J5 Phoenix 3p 19 1 76 Phoenix Con 4p 20 4 J7 J8 J9 J12 Terminal 2p 21 2 R1 R2 1 2 1 4W 5 22 1 R3 390R 1 4W 5 23 1 R4 8K2 1 4W 5 24 1 R6 IK Var Trimm 25 1 7 2208 1 4W 5
50. PONENT LAYOUT DB 9602 011 68 14 1 lt MMT HMT 7P INSTALLATION ses sags ier tret PR e e PRA 72 14 2 DMT HMR P INSTALLATION HORROR ORDRE ORI GNE 74 14 3 TRANSMITTER JUMPERS BOARD ON 75 14 4 RECEIVER JUMPERS L O BOARD ON a iin a ER waka aa 76 DMT HMR P USER S MANUAL 4 78 DB ELETTRONICA TELECOMUNICAZIONI S p A 1 MMT HMT P GENERAL DESCRIPTION The MMT HMT P is a portable 2 GHz microwave link that can carry simultaneously 1 video and up to 2 high quality 15 analog audio programs The audio channels are fully compatible with DB digital audio codecs TD 16 and RD 16 2 channels With the MMT HMT P the following performances are guaranteed A V intermodulation is almost canceled system accepts simultaneously 1 video up to 4 digital audio programs and up to 4 x 4800 bps data channels RF frequency channels are easy to change with a 125 kHz steps digital PLL No tuning is required within 100 MHz range All circuits are fitted into boxes suitable to be mounted at the rear of parabolic antennas with direct connection to the microwave feeder DB parabolic antennas enable the direct connection to the microwave feeder without wave guide losses A front panel digital multimeter and alarms permit to check audio and video levels RF signal level PLL lock and squelch stat
51. RICAL SCHEMATIC 9 JO I 2661 GT 810 7046 vy USQWNN PUSUNDOG 227 5 1 09 3 BdDOSS32U23d OFCIA NIWNVO2 ANS 02066 ouoosSi VIA v INDIZVvOINOQWDO23331 1 373 25 9999 2 me 1 92A 0422 m 929A 0 22 845 wey Sr 59 a u Td 1548 0 lt 2 TAG 534 5 I e 5 aN ei 29 aans 21 3 0 01 6 14 e 8111 By 2 aes i 3 vorany 083 vyINOO Enaga T 845 39A er 2orany 84L Dany 9 0 99 el Orany 25 I oj 6 8 2 qaspa orany gs gt er e I 1486 Zr or HOS T 1 99A L 0 22 I AN3 EC 99A 0 92 929A 0 22 aws
52. RONT VIEW P OUT O PLL LOCK AUDIO 4 110 220 Vac 50 60 Hz 5 AUDIO 5 Db ELETTRONICA TELECOMUNICAZIONI S p A MADE IN ITALY MMT HMT P DMT HMR P USER S MANUAL 7 78 DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 2 2 MMT HMT P UP LAYOUT AL8GHZ Oo 9704 019 1140 7046 1 Video stage DB 9704 019 4 Power supply 12V AL8GHz 2 Audio subcarrier stage DB 9704 017 5 Transformer 3 Power supply 8V 12V DB 9602 011 6 VCO stage DMT HMR P USER S MANUAL 8 78 1 2 3 4 5 6 DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 2 3 MMT HMT P DOWN LAYOUT T 5 8 Amplifiers Power Supply Audio Subcarrier Output Low Pass Filter Preamplifier Stage Band Pass Filter Power Amplifier DMT HMR P USER S MANUAL 9 78 DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 2 4 TRANSMITTER GENERAL BLOCK DIAGRAM 10 20 i cs lt lt x mW Ut 2 mW N 5 o
53. VIDEO SC AUDIO ELECTRICAL SCHEMATIC 20100 4 065 Lv 2222N2 UT MEE L Sto 59 lt 3234 065 vrl lt UI Ero uot not ev HII 065 90 HEE IS UOT PLIS _ O6E Iva 2222N2 IN3G O 2 UL 855 era MEE era L nor l 22 45 78 DMT HMR USER S MANUAL lt T 9 e 2 gt o lt 2 2 x _ Fig 10 4 RX VIDEO PROCESSOR ELECTRICAL SCHEMATIC 431 431 93 20 22 92 9940 C 39A _ 5089 213 gt 115 er Za 29A E 59 op IE
54. a 3 2138 A NBI 1 ba aoza 614 aoze aose 2 418 Y ul a ul 010 2 ul NI EI 9 eb i 8 lt i i e 19 212 69 19 vb v2 ans nol nro 9228 c5 v1 z nzv JUOT 51 0 82 072 not NOEE 19 i TE I N 6 504 LM DMT HMR USER S MANUAL DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 12 2 DEMODULATOR STAGE COMPONENT LAYOUT DB 9601 005 clu ccu Nu 91 54 9 Ds PD C Des vid x 914 13 92 10 epis eui Efe 4 223 4264 143 m 024 kg iza 81 623211 E 82211 20 80 011 1 141 229 za gf 59 78 DMT HMR P USER S MANUAL DB ELETTRONICA TELECOMUNICAZIONI S p A 12 1 DEMODULATOR STAGE PARTS LIST ITEM QUANTITY REFERENCE PART 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 PPWNPPPWWPEWPANE RENE 1 C2 C4
55. ave TV Demodulator DMT performs the following functions Global signal Video and subcarriers demodulation at 70 MHz Video signal processing Subcarriers signals 7500 8065 kHz demodulation As seen in block diagram the circuit is composed of 1 Video and subcarrier IF 70 MHz demodulation stage with amplification mixer band pass filter demodulator 2 Video processing stage with low pass filter delay group pre corrector adjustable amplification deemphasis circuit 75 BNC output 3 Four subcarriers demodulation stage with band pass filter demodulation signal at 7500 8065 KHz adjustable amplification deemphasis circuit low pass filter balun transformer 600 2 XLR CANON output II HMR Head Microwave Receiver It consists of a wideband receiver in the 1 3 to 2 7 GHz band with input level range from 90dBm to 15dBm MMT HMT P DMT HMR P USER S MANUAL 38 78 DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 9 1 DMT HMR P FRONT VIEW DMT HMR P 75n 66 00 84 SQUELCH PLL LOCK AUDIO 4 AUDIO 3 10 ELETTRONICA TELECOMUNICAZIONI S p A MADE IN ITALY MMT HMT P DMT HMR P USER S MANUAL 39 78 DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 9 2 DMT HMR P UP LAYOUT AL8GHZ 9704 018 910 70 6 84 1 Video stage DB 9704 018 4 Power supply 12V
56. ge reg 47 1 U5 RMS230 Mixer DMT HMR P USER S MANUAL 61 78 13 RX AMPLIFIER SECTION DB ELETTRONICA TELECOMUNICAZIONI S p A 13 1 GENERAL DESCRIPTION DB 9606 019 Front end board is composed by two equal amplifier stage It has typical gains of 40 dB band center The technology transistor utilized is INA10386 Fig 13 3 AMPLIFIER ELECTRICAL DIAGRAM DB 9606 019 R4 RS R6 470R lt 390R 470R 105 12 o 6 10n c9 c2 3S 560p 104 10n T L1 0 1uH C1 cs 7 Ji Re 100p 100p R9 100p 100p Je D RF IN O OJRF OUT 31 Us Di 10386 eii INA 10386 270R 270R 270R 270R DB ELETTRONICA TELECOMUNICAZIONI S p A Via Lisbono 38 35127 21 SUD CAMIN DMT HMR USER S MANUAL Size Document Number REV 4 9606 019 Dote 29 11 00 62 78 DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 13 1 RX AMPLIFIER COMPONENT LAYOUT DB 9606 019 12V 13 2 AMPLIFIER PARTS LIST ITEM QUANTITY REFERENCE PART 1 2 J1 J2 SMA conn 2 R1 R3 R8 R10 270R chip 3 R2 R9 18R chip 4 R4 R6 470R chip 5 R5 R7 390R chip 6 C1 C5 C6 C7 100p HQ 7 3 4 8 10n 8 C2 10u elect 9 C9 560p 10 1112 11 01 02
57. gt Q e o Q lt 2 2 _ Fig 3 3 TX VIDEO MIX ELECTRICAL SCHEMATIC xnv any any any any 99 0 34 99 0 IIN CT Zv SO LAZ o SEID 4001 UDOT 854 40 238 ced LEN L 28 055 554 IDA 39A LAZ 01 622 ZEX ge QUEEN DAD gn 5 5 Ing aL d 001 O 22 6 35 082 4001 9 2079 02 LL 4 13 78 DMT HMR USER S MANUAL s 9 2 gt 2 2 2 z o o lt 2 2 _ Fig 3 4 TX VIDEO PRECORRECTOR ELECTRICAL SCHEMATIC lt 22 99A 0 IIN MOT s22 21 01 30A gt I 123 jid MOT 9 1 cia 22 Zl OI N ps Lea 8180Y 955 9 erar en doS 01 x X 612 25 Ed 16 7
58. immers Trimmer R64 Fig 11 4 The Led Bar on front panel furnishes the signal level Volts To select the signal Video Audiol Audio2 signal that must be measured push the button when the desired signal is selected its led is light on For de emphases de insertion connect JP6 jumper for 50 Us see Fig 11 4 For de emphases de insertion connect JP6 and JP12 jumper for 75 us see Fig 11 4 MMT HMT DMT HMR P USER S MANUAL 73 78 DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 16 2 DMT HMR P INSTALLATION AL8GHZ Oo OO 8548 SUE S 9704 018 amg 9601 005 910 0 6 80 DMT HMR P USER S MANUAL 74 78 DB ELETTRONICA TELECOMUNICAZIONI S p A 16 3 CHANNEL SETTING The channel settings is factory made under user s indication The transmitter channel settings is realized by means of jumpers located on VCO board See the following indications for jumper settings 1 Each jumper has a rising weight from left to right 0 125 MHz 0 250 MHz Fig 11 4 2
59. t signal level then adjust a panel trimmer Trimmer R41 The value we suggest is 20 MHz peak to peak The Led Bar on the front panel furnishes the modulation level KHz or MHz To select the signal that must be measured Video Audiol Audio2 press the button when the Video signal is selected the led Video lights on 6 Connect an audio signal with XLR connector to subcarrier 1 2 input It may be necessary to set the modulation depth in correspondence of video input signal level then adjust panel trimmers R12 trimmer Fig 4 5 The value we suggest is 70 kHz peak The Led Bar on the front panel furnishes the modulation level KHz or MHz To select the signal that must be measured Video Audiol Audio2 press the button when the desired signal is selected the led Audiol or Audio 2 on For pre emphases de insertion disconnect JP5 JP6 jumper 75us Fig 4 5 It can be necessary to adjust the relative level between the subcarriers and the Video signal then adjust R37 R38 trimmers for subcarriers levels and R30 trimmer for Video level see Fig 3 7 in case the regulation of trimmer R41 it is not enough adjust trimmer R30 see Fig 3 7 DMT HMR P USER S MANUAL 71 78 DD ELETTRONICA TELECOMUNICAZIONI S p A Fig 16 1 MMT HMT P INSTALLATION
60. us The equipment meets or exceeds the international standards for safety and electrical specifications DMT HMR P USER S MANUAL 5 78 DB ELETTRONICA TELECOMUNICAZIONI S p A 2 MMT HMT P FUNCTIONAL DESCRIPTION The 2 GHz MMT HMT P transmitter is composed of two fundamental parts I MMT Microwave TV Modulator This is an audio video microwave TV circuit synthesized 1 3 to 2 7 GHz band 2 dBm output with the following functions Video signal processing 7 500 MHz 8 065 MHz subcarrier modulation RF video audio 1 3 to 2 7 GHz 2dBm output power level As seen in Fig 2 4 the circuit is composed of 1 Video processor stage with 75 Q BNC input signal attenuation pre emphasis circuit low pass filtering delay group pre corrector adjustable modulation Video and subcarriers signals addition 2 Up to 2 subcarriers stages with 600 Q XLR CANON input balun transformer adjustable modulation pre emphasis circuit low pass filtering 7 500 MHz or 8 065 MHz modulation band pass filtering 3 1 3 2 7 GHz PLL carrier modulation of video and audio signals 4 System check PLL locking depth modulation measurement and power supply presence II HMT Microwave 1 3 to 2 7 GHz Amplifier It consists of a wide band microwave amplifier in the 1 3 to 2 7 GHz band with 2dBm input and 1 W or 5W output MMT HMT P DMT HMR P USER S MANUAL 6 78 DB ELETTRONICA TELECOMUNICAZIONI S p A Fig 2 1 MMT HMT P F

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