Suggested by an old RCA manual, this circuit makes use of the period components. Data for the transformer is provided in the original documentation from the 1960s.
When the sensor connected to points A and B is activated, removing the ground from the base of Q1...
This oscillator was found in the 1994 National Instruments Linear Applications Handbook. The...
With the circuit shown in the figure, the frequency of a 5 MHz oscillator controlled by crystal can...