The Superhet Manual: A Handbook Dealing with Principles, Design and Servicing, and Including Chapters on Aerials, Tone Control and Variable SelectivityFrederick James Camm |
Contents
FUNDAMENTAL PRINCIPLES OF RADIO | 9 |
PROBLEMS OF SELECTIVITY | 26 |
VALVE FUNDAMENTALS | 50 |
Copyright | |
6 other sections not shown
Common terms and phrases
actually adjusted aerial circuit amplitude anode circuit anode current anode impedance anode load anode potential anode voltage anode volts applied arrangement audio-frequency band-pass broadcast carrier frequency cathode change of anode characteristic coil component connection cycles per second decibel diode dynamic resistance effect electrons fact feed-back fluctuation frequency changing give greater grid circuit grid potential H.F. amplification H.F. circuit H.F. pentode H.F. resistance H.F. response curve H.F. voltage I.F. stage I.F. transformer increase inductance input intermediate frequency kc/s kilocycles LC circuit light spot load resistance matter maximum metres modulation mutual conductance negative normal ohms oscillograph peak quency radio ratio reactance reaction reactive voltage receiver reception resonant frequency S.G. valve screening grid secondary circuit secondary emission selectivity shown in Fig shunt sideband space charge station superhet suppressor grid sweep frequency tetrode tion tone control triode tuned circuit unmodulated unwanted signal variable condenser variation waveform wavelength X-deflection Y-plates