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.
This small Hartley oscillator uses an output transformer for transistors. The frequency is...
Circuits similar to this appear elsewhere in this section. The transistors can be BC549 (low...
The integrated circuit used in this 70's project is unusual, being the critical element of an...