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Detectors I From Sparks to Crystals
Detectors II From Crystals to Tubes
18 other sections not shown
AC operated adjusted amplifier tubes Amplitude Modulation antenna circuit antenna coil Armstrong audio audion bakelite battery breadboard bridge Chapter components connected coupling crystal detector detector circuit developed dial diode electrical electrons engineers frequency amplifiers Freshman front panel ganged Grebe grid circuit grid leak Hazeltine Hazeltine's headphones heterodyne inductance inductor input signal intermediate frequency invented Isofarad Leutz loop antenna losser loudspeaker manufacturers Modulation mounted neutralizing capacitor Neutrodyne circuit one-knob oscillator output patent plate circuit produced radio frequency radio receivers radio waves Radiola reduced reflex circuit regeneration regenerative detector resistance resistor RF amplifier RF signal RF stages RF transformer rheostat rotating schematic screen grid screen grid tube secondary sensitivity shaft shielded stations Superdyne superhet superheterodyne supply switch telephone tickler coil tion transmitter TRF set TRF's trimmer capacitor tube's tuned circuit tuning knobs Tuska untuned vacuum tube variable capacitor variocoupler variometer voltage wire wound