DDS SIGNAL FUNCTION MCP SG 2110
Contents
1. DDS FUNCTION GENERATOR COUNTER GG _ wave Sine Freq 00020 00000kHz 4 J 5 61 Ampl 3 0V OFfs 00vV Attn OOcB 1 2 3 Mwav swav Modl Swep Mesr Syst o s 7 a gt Z DMP wep pa B ua NA JL NE _ FRea ampt Fm am menu v MHz Vpp kHz mVpp Hz ulz X10 FT ER R s ns A r ze IN Key introduction The keys are including the followings refers to fig Short cut keys SHIFT FREQ AM PL FM AM MENU MHz Vpp kHz mVpp Hz u z X10 10 These short cut keys enable you to implement desirable function quickly and they are keys in common use Their functions are divided into the following two kinds 1 when display Main menu you can press separately the FREQ frequency key AMPL amplitude key FM frequency modulation key and AM amplitude modulation key accessing to frequency function amplitude function frequency modulation and amplitude modulation output function In any cases you also can press shift key together with FREQ AMPL FM AM MENU key you can get outputs of sine square wave triangle wave pulse wave upper slope wave separately corresponding to the character string above the keys 2 When display frequency setting up the functions of the short cut key are units of setting up ie The character string below the keys ex2. The digital keyboard which is composed of 12 keys 0 9 digital keys and is designed for fast inputting numbers When in digital mode if you press any digital key a dialogue block will appear on the screen which stores the pressed keys Then press OK key to confirm Rotary pulse switch By using rotary pulse switch you can quickly add or subtract the value which cursor points to Inputting numbers by this way it will be more convenient Display menu introduction Adopting LCD modules with high definition and wide visual angle for display enable you know the present state of the instrument Interactive menu in English display panels are as followings Main menu R E A 6 7 8 9 2 EM Wave Sine Freq 00020 00000kHz Ampl 5 00V Offs 0 0V Attn 00dB Mout Sout MOD Swep Mesr Syst sine pulse means output is sine of main wave 5 00v 100 000000kHz means output waveform s parameter represents shift pressed odd numbers confirmed even numbers are cancelled Mout is main wave form output sine wave square wave triangle wave random wave second grade sub menu Sout is sub wave form output sine wave square wave triangle wave second grade sub menu Mod modulation is modulation function second grade sub menu Swep sweep is sweep function second grade
3. SAMP xx xx Set Amplitude sub SAMP 05 30 wave Uints V The sub wave amplitude setting 5 3 V SATT xx Set Attenuation Sub SATT 00 wave Uints dB The sub wave attenuation setting 0dB 00 O00dB 20 20dB SPHA xxx Set Phase SPHA 120 Uints The sub wave phase setting 120 MODU xx Modulation mode MODU AM settings Modulation mode setting AM NO Normal FM AM PM MKEY xxx Key control mode MKEY FSK settings The key control mode setting FSK NOR FSK ASK PSK FMDP xxx FM depth FMDP 050 range 000 100 Modulation depth 50 FM 18 AMDP xxx AM depth AMDP 080 range 000 120 Modulation depth setting 80 AM PMDP xxx PM depth FMDP 240 range 000 359 Modulation depth setting 240 MMOD xxx Modulation mode MMOD EXT INT sine EXT squr SWEP xxx Set Sweep SWEP LIN NOR normal The sweep mode setting linear LIN LOG SWST xxxxx xxxxx Set SWST 00001 00000 start frequency Start frequency setting 1KHz uints KHz SWEN xxxxx xxxxx Set SWEN 00010 00000 End fequency End frequency 10KHz uints KHz SWTI xx xx Sweep time uints s SWTI 10 00 Set time 10s SWRP xxx RUN normal PLS SWRP PLS stop MSEL xxx CNT count FRQ MSEL FRQ frequency Frequency Measurement PER cycle POS NEG MCFG xxxx Set MCFG ATT1 measurement group state Measurement attenuation ATTO setting 20dB no attenuation ATTI atten 20dB LPFO close lowpass LPF1 open lowpass SPDO slow SPD Fast MSRD R
4. Precision luHz Frequency error 5x 10 Frequency stability 1x10 Sub wave Frequency range main wave form 10mHz 200kHz Precision 10mHz Frequency error 5x 10 Frequency stability 1x10 Amplitude characteristics Main wave Impedance 50 10 Amplitude range 10mVp p 20Vp p the minimum signal amplitude lt 1mV when the output is 60dB Amplitude precision 10mV Amplitude stability 0 5 each 5 hours Amplitude error 1 2mV 1kHz 20Vpp Sub wave Impedance 50 10 Amplitude range 100mVp p 20Vp p the minimum signal amplitude lt 100mV when the output is 60dB Amplitude precision 100mV Amplitude stability 0 5 each 5 hours Amplitude error 1 2mV 1kHz 20Vpp Bias characteristics Bias range SV 5V Bias precision 10mV Frequency modulation characteristics Modulation mode internal external Modulation signal sine FM Square wave FSK triangle ext signal Modulation ferq 0 200kHz internal 1 Hz 100kHz external Depth 100 of carried wave frequency Amplitude modulation characteristics Modulation mode internal and external modulation Modulation signal sine AM Square wave ASK triangle internal modulation external input signal external modulation Modulation frequency 0 200kHz internal modulation 1Hz 100kHz external modulation Modulation depth 0 120 internal modulation Note external modulation input is on the back base of the instrument please choose proper scope when y
5. value by rotary pulse switch clockwise or anticlockwise 3 input frequency value by number keyboard in frequency setting mode press digit key the digit will display on the small window eg a 20 l Wave Ampl Attn Offs Retn After desired digits had been input press OK key to confirm the present unit you also can press amplitude modulation frequency modulation Press amplitude key to choose Hz kHz or MHz unit for frequency value By finishing frequency input the result is as follows 00020 00000kHz Wave Ampi Attn Offs Retn 4 use the same method to select amplitude Bias menu and input amplitude 5V bias 2V the desired wave is now explored SUB WAVE with the MAIN WAVE settings Modulation waves Modulated waves include 3 waveforms FM frequency modulation AM amplitude modulation and PM phase modulation Objective To generate carrier 1 MHz sine wave amplitude peak value is 5V Modulate wave frequency is 10kHz and Modulation depth is 30 Steps 1 press menu key entering into main menu then press F3 Mod entering into modulation second grade sub menu the following display appears on screen 13 FM AM PM Key Ampi Freq Dpth Mode 2 return to the main mean to set the sub
6. DDS SIGNAL FUNCTION MCP SG 2110 Chapter 1 Content Introduction of the instrument Large scale integrated circuits super speed ECL TTL circuits and high speed micro processor technique are adopted into the instrument Anti interference technique has been improved greatly by surface plating technique in internal circuits Interactive menu in English is adopted for the operation interface And the performances of the keys have been improved effectively so that users do not need to operate keys frequently DDS equipment with dual signal output This instrument has such signal generating function as frequency modulation amplitude modulation phase modulation FSK ASK PSK frequency sweeping phase sweeping etc and any counts generation function for function signals The frequency of main signal can reach to the maximum of 25MHz SG2125 and frequency resolution can reach toluHz Furthermore this instrument has both frequency measurement and counting function It is an ideal device for electronic engineers lab production lines teaching scientific research etc Main features DDS direct digital synthesis and FPGA techniques have been adopted ultra low power consumption Sine wave in main wave signal output frequency luHz 25MHz SG2125 Square wave pulse wave in main wave output frequency 10mHz 1MHz Sine wave square wave triangle wave adjustable duty cycle Sine wave square wave triangle wave in sub wave signal output freq
7. d sweep ending point Run 1 2 3 4 Time the speed of sweep wave from starting point to ending point 5 6 Stop pause measurement second grade sub menu 00000 00000kHz Cntr Prid Pos Neg Cont functions for screen keys setting 1 Cntr count counting function Freq frequency frequency measurement function Prid cycle cycle measurement function Pos positive going pulse the width of positive going pulse measurement function Neg negative going pulse the width of negative going pulse measurement function DY ee 0000 Conf configuration state whether or not select attenuation or low pass setting when making measurement system menu 10 Loct1 Loct2 Loct3 Loct4 Loct5 Save OnLn Info Conf Retn Menu function is defined as follows 1 OnLn online and computer communications USB 2 as about some information of this instrument including serial no software version No ect 3 Save 5 groups of user settings can be stored Info as sbout some information of this instrument including serial no software version No ect 5 Conf configuration Note if you found the setting in disorder you may perform soft reset by system gt reset keys Chapter 3 signal generation Example for several signal generations Function signal generation introduction MAIN WAVE standard wave ge
8. device In order to bring all functions into full play please read carefully the following maintenance Points for attention Power supply 200 240v 47 53Hz must be safety and effective use guides before operation assured Don t strike sharply or close up chemistry goods to avoid eroding because LCD is easy to break up and erode Please wipe it carefully with cloth when there is dust on the LCD 16 Working temperature 10 50 c storing temperature 20 70 C Don t try to open the instrument damaged seal wall result in guarantee cease to be effective maintenance and repair can only be carried out by appointed agencies Please avoid laying lighting candles cups full of water corrosive chemistry goods ect on the surface of instrument so as not to damage the instrument Don t touch or impact the screen which is easily polluted and fragile child plays with this instrument is prohibited Don t move the instrument violently during normal working so as not to damage internal circuits which can not be repaired Troubleshooting In normal condition keys with clear and melodious sound without this sound means key damaged or internal circuits damaged please contact the supplier For above mentioned problems if you switch on once more and can t put it right please contact the supplier Guarantee repair and after sale s service Thank you purchasing product for the sake of effective use of the new product we suggest yo
9. eceived MSRD Exmple return XXXXXXXXXX measurement frequency sitting 10bit data sent back data 1234567890 The representative of the measurement results 2345 67890kHz MSST Stop measurement 19 MCP SG 2110 nr kat 104693 Generator funkcyjny DDS 1uHz 10MHz Wyprodukowano w Chinach Importer BIALL Sp z o o Otomin ul S oneczna 43 80 174 Gda sk www biall com pl P 20
10. eep wave is calculated by micro processor in instrument you need only set the sweep time Chapter 4 frequency measurement and counting Frequency measurement Steps 1 external signal input be correctly connected then turn on entering into main menu or press menu key entering into main menu press F6 corresponding to measurement menu you are now accessing to measurement second grade sub menu Display 00000 00000kHz Cntr Prid Pos Neg Cont 2 press F2 corresponding to frequency to realize frequency measurement Note the value of frequency measurement and the unit are displayed automatically by the instrument you need only set up gate time and group state Cycle measurement Steps 1 external signal input be correctly connected then turn on entering into main menu or press menu key entering into main menu press F5 corresponding to measurement menu entering into measurement second grade sub menu 2 press F3 F4 F5 corresponding to cycle to realize cycle positive going pulse width negative going pulse width measurement Counter function Just like last sample press F1 corresponding to count menu when there is external signal input you can see the counter is working if you need suspend the counting press OK key press Ok key again the counting will continue in case you must restart counting press direction key Left key to clear present counti
11. in frequency setting up if you press 8 then press a you can input 8MHz frequency value Note The function of character on shortcut keys is not valid for any menu except for the above mentioned 2 cases not including Menu key Direction keys a gt a S J J N la S F NS A A v Then the function of the 5 direction keys UP DOWN LEFT RIGHT OK are to shift cursor and select function of setup mode ex when waveforms have been setup you can choose respective waveform by moving direction keys The desired waveform will display to you by u changing white When engaged in counting function OK key is pause continuous switch key When you press the key at the first time will start counting and then press the key will switch the counting state between pause and continuous Note Direction key can not be used for pull menu which can be selected by screen key Please read the followings Screen keys Screen keys are special function keys set for special screen display From left to right they are respectively called Fl F2 F3 F4 F5 F6 Just as what you think they are fictitious keys corresponding to the screen one by one Ex Channel 1 setting is corresponding to screen wave form frequency amplitude bias and return Digital keys
12. neration Objective To generate a sine wave with 20kHz peak value is 5V DC bias is 2V Steps 1 make sure the correct connection and plug in power waiting for welcome display and self inspection then main menu appears eg 11 ET Wave Sine Freq 00020 00000kHz Ampl 5 00V Offs 0 0V Attn 00dB CH Mout Sout MOD Swep _Mesr Syst 2 press Fl Mwav corresponding to CH1 menu enter into channel 1 second grade sub menu and waveform menu be activate Eg Duty Squr Trgi Arb 050 Freq Ampl Attn Offs Retn the consent wave is already pointed to sine no need to move if you desire to produce square wave press right direction key 3 pressF2 Freq corresponding to frequency menu which now be activated enter into frequency setting eg Squr Trgi Freq Ampl Attn Phas Retn The desirable frequency is 20kHz Now you can press AM amplitude modulation FM Frequency 12 modulation AMP amplitude short cut key to select display unit Hz kHz MHz you can choose either way of 3 methods to input frequency digital input is the same 1 shift cursor by direction keys left right adding or abstracting frequency value by up down keys 2 shift cursor by direction keys left right adding or abstracting frequency
13. ng and start next counting Set up measurement group state Group state function can make pre handling of measured signal enabling you realize perfect measuring objective 15 Attenuation LowPass Fast a Pos Neg Prid Freq Cntr The group state includes attenuation low pass filter fast functions Return white by direction key left right to select then press Ok key to change the state Note Fast is gate time the gate time is about 0 1s when it is selected The gate time is about 1s when it is not selected Chapter 5 other functions program control function This instrument contains standard USB interface selectable fitting which may enlarge the function and produce automatic measurement system controlled by computer Help Ampl Amplitude Attn Attenuation Conf Configuration Arb Arbitrary Cust Custom Duty Duty Cycle key keying Ext External Freq Frequency Lang Language Mesr Measure Norm Normal Offs Offest Phas Phase Puls Pulse Neg Negative OnLn Online Prid Periods Retn Return Sout SubWave output Swep Sweep Trgl Triangle Retn return Info configuration Begn Begin Cntr Count Dpth Depth Int Internal Mout MainWave output Mod Modulation Paus Pause Pos Positive Squr Square Syst System Chapter 6 maintenance and repair This instrument is a precision electronic
14. ou use Phase modulation characteristics Modulation signal sine AM Square wave ASK triangle internal modulation Modulation frequency 0 200kHz internal modulation 1Hz 100kHz external modulation Phase modulation range 0 360 0 Definition 1 Sweep frequency characteristics Sweep frequency range 10mHz 25MHz SG2125 10mHz 20MHz SG2120 10mHz 15MHz SG2115 10mHz 10MHz SG2110 Sweep time 10ms 50s Sweep mode linear sweep frequency logarithmic sweep frequency Technical index of Frequency counter Frequency measuring range 1Hz 100MHz Min input voltage internal attenuator open 1V internal attenuator close 100mV max allowable input voltage 20V Measuring gate time 0 1s fast 1s slow Internal low pass characteristics frequency ending 100kHz Counting capacity 10 bits decimal system Control mode manually USB interface Chapter 2 Basic Operations Elementary operations Adopting interactive menu in English and easy keys lead to a very easy operation Such as display panel a classified menu is adopted If you don t know how to operate you may try to use keys row in the lower part of the screen and the direction keys it probably helps you understand the way of operating the instrument Controls and description of panel K OH i YY
15. p the modulation waveform in the mian wave Functions setting corresponding to screen menu are as follows 1 CR 6 Mod modulation Key key control Ampl amplitude is carrier wave amplitude Freq frequency is carrier wave frequency Dpth Depth modulation depth In frequency modulation mode it means frequency in amplitude modulation mode it means AM depth in phase modulation mode it means PM depth Mode choose internal or external Key control third grade sub menu In modulation second grade sub menu it has a modulation third grade sub menu modulation third grade sub menu selects modulated mode by direction keys Before setting up the modulation waveform in the mian wave Functions setting corresponding to screen menu are as follows 1 CUS BGP Mod modulation Key key control Ampl amplitude is carrier wave amplitude Freq frequency is carrier wave frequency Dpth Depth key control depth In frequency modulation mode it means frequency in amplitude modulation mode it means FSK depth in phase modulation mode it means PSK depth Mode choose internal or external Sweep second grade sub menu Lin FREQ Log FREQ Begn End Time Run Select output waveforms by direction keys Functions correspondently to screen menu setting Wave wave form selecting sweep waveforms linear logarithmic Begn frequency sweep starting point En
16. sub menu Mesr measure is measurement function second grade sub menu Syst system is system function second grade sub menu Ex Press WAV corresponding to F1 the menu will be activated and then you will enter into parameters setting of function generator sub menu Main wave second grade sub menu Duty Squr Trgi Arb 050 Freq Ampl Attn Offs Retn Selecting waveform by direction keys selecting other parameters of output wave put waveform by F1 F6 Note to select waveform you only need to press direction keys Waveform turning to white means the desired one no need to press OK key to confirm sub wave second grade sub menu Squr Trgl Freq Ampl Atin Phas Retn Selecting waveform by direction keys selecting other parameters of output wave put waveform by F1 F6 sine wave square wave triangle wave Note to select waveform you only need to press direction keys Waveform turning to white means the desired one no need to press OK key to confirm Press screen key corresponding to modulation you are entering into modulation second grade sub menu Modulation second grade sub menu En FM AM PM Key Ampi Freq Dpth Mode Modulation second grade sub menu selects modulated mode by direction keys Before setting u
17. u take the following steps 1 read carefully the safety and operation guide 2 read guarantee repair terms and conditions 3 keep the original invoice for possible guarantee repair or claim Appendix complete set of instrument and auxiliary DDS function generator counter 1 set Power cable Ipc User s manual 1book Software and electronic file USB interface cable 1pc optional Signal output cable 2pcs List of program control instruction orders description example RDTY Read PC to the machine fat RDTY the local response to SG2110 MWAV xxxx Set waves SINE MWAV SINE SQURTRGL Set the main wave to sine wave ARBI MFRQ xxxxx xxxxx Set Frequency Main MFRQ 00345 67890 wave Units KHz Set the main wave frequency 345 67890kHz MAMP xx xx Set Amplitude MAMP 12 34 17 Units V Set the main wave amplitude 12 34V MATT xx Set Attenuation Main wave Uints dB 00 OOdB 10 10dB 20 20dB 30 30dB 40 40dB 50 50dB 60 60dB MATT 10 Set the main wave attenuation 10dB MOFS xx xx Set DC Main wave Uints V MOFS 2 31 MOFS 3 58 DC 2 31V DC 3 58V DUTY xx Set Duty Uints DUTY 32 Duty 32 SWAV xxxx Set Sub wave SINE SQUR TRGL SWAV SINE Set the sub wave to sine wave SFRQ xxxxxX XXXXX Set Frequency sub wave uints KHz SFRQ 00345 67890 The sub wave frequency setting 345 67890kHz
18. uency 10mHz 200kHz Internal automatic precise attenuation circuit enable weak signal output more accurate The resolution of wave form frequency reaches to 10mHz With the functions such as frequency modulation amplitude modulation phase modulation and external frequency modulation With frequency key control function amplitude key control function and phase key control function With frequency modulation sweeping functions at random starting and ending points With frequency measuring cycle measuring pulse width measuring and counting functions AII parameters can be adjusted by internal program The depth of internal frequency modulation is between 0 and 120 The depth of internal amplitude modulation is between 0 and 100 The depth of internal phasic modulation is between 0 and 360 interactive menu in English so that operators can see at a glance The cabinet design is artistic key operating is easy and comfortable Technical index of signal generator Counter Wave form feature Main wave form sine wave square wave triangle wave TTL wave random wave Sine wave distortion 0 3 20Hz 20 kHz Square wave rising amp falling time lt 20ns Duty cycle 1 99 sine wave square wave triangle wave Sub wave form sine wave square wave triangle wave Frequency characteristics Main wave Frequency range main wave form luHz 25MHz SG2125 luHz 20MHz SG2120 luHz 15MHz SG2115 luHz 10MHz SG2110
19. wave frequency 10kHz 3 press F5 point into depth value to set up modulation depth i e frequency deviation of modulation Set to 30 4 setting up carrier press F3 F4 procedures like last sample setting to 1MHz peak value 5V sine wave as the carrier 5 press return key entering into modulation mode using the same procedures to select output of amplitude modulation wave phase modulation wave Note Mode menu will appear for amplitude modulation key frequency and key amplitude indicates the mode of modulation through internal logic internal amplitude modulation and external amplitude modulation can be realized Sweep wave Objective generate a square logarithmic sweep wave with starting frequency 100 kHz ending frequency 500kHz sweep time 1s amplitude 5V Steps 1 enter into channel 1 menu set up square wave amplitude 5V 2 press F4 pointing to sweep menu enter into sweep mode select logarithmic sweep frequency menu displaying Lin FREQ Log FREQ Begn End Time Run 3 press F2 pointing to starting point menu set up starting frequency 100kHz 4 press F3 pointing to ending point menu set up ending frequency 400kHz 5 press F4 pointing to time menu set up sweep time lsecond But now you have finished setting up a sweep wave you also can set up the numbers of output sweep frequency wave by setting up turn menu 14 Note the step value of sw
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