PRF

Duty cycle

Time cycle

ON cycle

convert D.C. to high frequency A.C.

rectify high frequency A.C. to D.C.

convert D.C. to low frequency A.C.

produce dual-polarity D.C. voltages for the input to the demodulator.

sine wave

impulse signal

sample signal

none of these

voltage

frequency

wave form

amplitude

TTL out jack

VCO input jack

function selector

output jack