This circuit uses the SQ3524, a switching integrated circuit. The circuit was found in the April 1991 issue of Radio Electronics magazine.
This tunnel diode oscillator was found in July 1986, Radio Electronics magazine. Note the low...
It is an ideal circuit for troubleshooting a bench, in addition to testing devices after repair, with...
In the standby condition, the consumption of this timer circuit is practically nil. The idea is a...