Demo Unit # 500 : Q
ND Detector & Audio Oscillator

(  9-1-1987 )
 

Oscillator Circuit

 

Remarks:

1. Separate 9 volt batteries are used for the detector and power amplifier circuits.

2. 10K sensitivity control is internal trim-pot.

3. Frequency and volume controls are external.

4. Unit demonstrates:

a. QND type pulses on audio amplifier and/or oscilloscope.

b. Sine or square wave audio oscillations.

c. GW impulse source of energy for oscillator.

d. l/f background noise experiments.