The purpose of this 1967 Philips circuit is to produce a rectangular signal from a sharp pulse. The circuit makes use of an unusual component today as a base.
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...