162. Draw the schematic circuit diagram of a modem amateur radiotelephone transmitter, complete with plate and filament power supplies and antenna system, showing a crystal-controlled oscillator, a buffer amplifier, a modulated amplifier, a modulator, a speech amplifier, and a speech input circuit including microphone. (Every applicant should be capable of drawing a complete schematic diagram of the type indicated by our question.) A typical diagram is shown below. Legend and constants are not required.