Figure 2-4. 1kHz oscillator circuit, functional diagram.

TM 11-6625-467-34

Figure 2-4. 1kHz oscillator circuit, functional diagram.

Figure 2-5. 10-kHz oscillator circuit functional diagram.

2-9. 3.975 MHz Oscillator Signal Paths

CUIT SELECTOR D (position 9) connects +27.5

volts dc to the LOW FREQ AMPL control, and CIR-

CUIT SELECT0R C (position 8) connects the LOW

The 3.975 megahertz oscillator produces a 3.975

FREQ AMPL control output to the oscillator. The

megahertz sine wave output signal. The oscillator

LOW FREQ AMPL control adjusts the oscillator

output appears at the 3 MC jack of the test set. CIR-

2-6