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TV_IF_amplifier_uslng_dual

2014-11-04 01:41  
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TV_IF_amplifier_uslng_dual
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).