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Fundamental electronic circuits
Checking receiver circuits
Waveforms in blackandwhite and color television
1 other sections not shown
ac voltage adjusted amplitude anode applied audio bandwidth base line beam blocking oscillator C-R tube calibrated capacitance capacitor cathode resistor cathode-ray tube characteristic circuit of Fig color components connected control grid corresponding coupling cycles dc amplifier deflection plates demodulator device diode display distortion electronic switch ellipse filter half-cycles high-frequency horizontal increased indicates injected inverse feedback linear loop low-frequency lower waveform magnetic marker megohm modulation multivibrator Mumetal negative nonlinear obtained ohms operation oscillator oscillogram of Fig oscilloscope output voltage pattern peak peak-to-peak pentode phase shift phase-shift oscillator plate current power supply pulses push-pull quency rectifier response curve sawtooth wave scope input screen shown in Fig shows signal sine wave sine-wave spot square wave sweep frequency sweep voltage sync synchronized time-base tion transformer transistor trapezoid triggering triode tuned upper trace upper waveform vacuum tubes variable vertical volts volts rms