Television DC ComponentRadio Corporation of America, RCA Laboratories Division, 1948 - Electric currents, Direct - 26 pages |
Common terms and phrases
all-black all-white amperes amplifier tube amplitude approximately Automatic gain control axis back edge blanking interval cathode cent charge circuit of Figure clamp circuit clamping level coupling capacitor current flows curves dc restorer detection errors diode circuit diode clamp diode current diode drop discharge distortion downward slope driving impedance E₁ equal Figure 13 Filed four diode gas current Germanium grid current grid leak ground input inserted K. R. Wendt keyed circuit keyed diode keyed double triode keying pulse kinescope leakage loading effect low frequency megohms microamperes noise objectionable ohms operation P₁ peak to peak peak-to-peak plate portion positive bias circuit positive pulse potentiometer R₁ reduced restorer circuits sawtooth screen grid shown in Figure signal level simple de restorer single keyed slow circuit sync peaks sync pulses tion V₁ variation varies vertical blanking vertical blanking interval vertical sync error vertical sync signal video signal volts zero bias