PIN_DIODE_PROVIDES_120_DB_ACC_RANGE

Published:2009/7/24 3:26:00 Author:Jessie | From:SeekIC

Dynamic signal range exceeds 120 db in fully transistorized Fisher TFM-1000 stereo set. Will receive signals as low as 1.5 microvolts without distortion, yet 0.5-V signals can be handled without overload or spurious response. Solid-state pin diode servos as gain-controlled attenuator. Separate 10.7-Mc tuned amplifier delivers agc voltage that, along with d-c amplifier, controls pin diode. Action of tuned amplifier is delayed until antenna signal is 1 mV.-F. L. Mergner, P-i-n Diode und FET's Improve F-M Reception, Electronics, 39:17, p 114-118.



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