This low-frequency sine wave oscillator was found in the December 1995 issue of Electronics Now magazine. The two-transistor circuit is a Wien or Vienna bridge operating at 1 kHz.
The relay of this circuit closes when the position set in P2 is reached by the sensor...
This circuit is intended to monitor the flame of gas heating systems that must always have a small...
This circuit makes use of an old operational one to generate clock signals that depend on the...