TV_IF_amplifier_uslng_dual

Published:2009/7/21 8:27:00 Author:Jessie | From:SeekIC

TV IF amplifier uslng dual－gate MOSFETs The IF response is as follows∶39.75 MHz greater than 30 dB down， 41.25 MHz greater than 40 dBdown，47.25 MHz greater than 30 dB down，42.17 nealy 8 dB down，45.75 MHz equalto 6 dB down．Senstivity is 700 μV for 1V of video carrier at 100% modulation．AGC range is 43 dB AGC voltage is ＋4.0 V to－6.0V．Sound output is 570μV of 4.5 MHz signal(courtesy Texas Instruments Incorporated).



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