KA50_Balun
Contents
1. 2 8 7 MHz 21MHz 3 21MHz 1 5 1 9 4a HB9CV 8JK ZL F KA 50 KA 75 SWR SWR 22. WR 2 10 PYFHIAR SWR O 10W SWR LIN VOSTRA AUTE 3 De CAUSTION END INSULATOR KAST aida KA 50 GUY WIiREe KA 5 SWR ADJUSTING BALUN COAXIAL CABLE 7 ELEMENT Fig 7 4 54 20cm 1 TABLE 2 TABLE 2 1 2 X0 95 7 21MHz KA 50 KA 75
3. 6 Fig 6 RMEPEITEST 7 SPECIFICATIONS Frequency Range 1 8MHz 50MHz LEI Impedance Model KA 50 50 ohm Model KA 75 75 ohm Maximum Power 1KW CW 2KW PEP Transformation Ratio Es sl Dimensions 100 w x 120 H x 30mm D Weight approx 170 gs INSTALLATION Get the antenna wire through 5mmW sleeve ring in advance To more tighten installation it is recommended to attach about 30cm length extra wire as shown in Fig BE Get the 2 wires in case of attach extra wire it is 4 wires through the sleeve ring as shown in Fig 4 and crush the sleeve ring at about 10cm from the balun Actual example of antenna installation with using KA 50 75 is refered in Fig 7 8 and 9 And also it can be obtained full satisfaction in the HF range balunced antenna systems such as Cubical Quad Yagl 8JK HB9CV or ZL Special 7 S WR cm Cm 1 2 7 21 28MHz
4. BALUN l TIRIS TUE INSULATOR 28MHz COAXIAL CABLE 8 Fijg 8 3 TABLE 3 aA Q MATCH SECTION KA 50 BALUN COAXIAL CABLE 9 Fig 9 Be start antenna tuning at lower output power than 10 watts SWR may result damage inner parts of the balun Don t solder wires to output terminal of the balun directly cause also damage inner parts as high 1t may
5. BEDREETE 1 BOLSAM 7 Fig 2 TV BCI MBOR SLEEVE RING KA 50 KA 75 EVA 2 PA ELEMENT e Pa 3 5 1 30qm EXTRA WIRE 30 Fig 3 KENPRO Products Balun for Doublet Antennas Model KA 50 KA 75 The KA 50 and KA 75 are balun
6. F F E F F 1 3 E b 1 1 1 i E E k i W E U S A ES AG A E rr ee A A A A p o MT A A AA A A A E EA E ATA A ii A i S i Li a pi ai E D Pro ma A i INSTRUCTION MANUAL HX 3 APA E ID Di 1 A A aa ai PA O ALA A A o MO HA mm A a AT AT E AA PBI ENE AA PEPA T i PAE rE a EE GAIA Y MAA BALUN L Pl 6 EE e d ECE SS e EEE CE ae TE EER KENP22 gt pos F KA 50 KA 75 KA 50 KA 75 1 8MHz 50UMHz KA 50 500 KA 75 750 Ki 1KW CW 2KW PEP En E 10gnx 120mx 3 om E 651708 O 2 E BR 7I1MA
7. ced to unbalunced converter The KA 50 75 are usefull to connect unbalunced coaxial cable to balunced antenna systems such as doublet antennas Direct connection coaxial cable to such antenna is occured various bad harms of TVI BCI or directivity discrepancy in radio reception due caused electric currency leakage to the outside of braided wlre as shown in Fig l 4 2 EOR 4 EDR 10cm APPROX 10cm TERMINAL Eume T7 da Mene Fig 5 ROCK WASHER 445 F 1 E ai n BEN ee Vas Ll a aaa 35 10om A TL KA 1 6
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KA50_Balun