The purpose of this circuit is to find two resistors with very close values for critical projects. The circuit was found in the November 1995 issue of Electronics Now magazine.
Frequency in this oscillator is controlled by a crystal. Any 1 MHz to 15 MHz can be used. The JFET can...
This circuit was obtained in an American publication of the time. Transistors are commonly used. The...
This Philips circuit of the 70's makes use of components of the time. The DZD40 is an uncommon...