Ballard, William Cyrus, Jr · New York [etc.] McGraw-Hill company, inc. · leaf 66
rcuit will have a corresponding VACUUM TUBE OSCILLATORS 43 effect on the frequency of oscillation. Since in most circuitsthe antenna is either directly or inductively coupled to theplate circuit, any change in the antenna inductance or capac-ity will react back upon the plate circuit and produce… … Fig. 21.—Master oscillator and radio frequency power amplifier. a change in the transmitted wave length. To eliminate thisdifficulty, the circuit shown in Fig. 21 has been devised.The coil Li is connected to the output circuit of the masteroscillator tube which for radio telephony would be…
Radio
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