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VACUUMTUBE AND SOLIDSTATE BIASING ARRANGEMENTS
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AC line Adjust alignment AM-FM receivers amplitude antenna audio amplifier audio output audio section audio signal B+ voltage base bias voltage biasing arrangement capacitance carrier cathode cathode resistor cause channel checked circuitry collector current collector voltage component composite signal connected converter coupling current flows DC voltage decoder defect described device diode electrons feedback FIGURE filament filter capacitor FM detector FM IF amplifier FM receiver FM stereo front end gain increase indicates inductor input impedance input signal load resistor matrix decoder mixer modulation monaural MOSFET negative noise normal ohmmeter operation output stage pentagrid converter phase plate current plate voltage PNP transistor positive procedure produce ratio detector reactance receiver of Fig rectifier resistance resistor resonant circuit RF amplifier scope secondary shown in Fig sidebands signal tracer signal tracing signal voltage solid-state speaker subcarrier superheterodyne receiver troubleshooting tube tuned circuits typical vacuum-tube voltage applied volume control VTVM wave waveform