Found in 1980s Electronics Design, this circuit covers 4 decades of frequencies with a unique control. A multi-turn trimpot is used for fine adjustment. The frequency range depends on C1.
The purpose of this circuit, which we found in the November 1986 Radio Electronics issue, is to...
This circuit was found in an 80's Electronic Design. The frequency depends on the crystal and the...
This switching regulator circuit with less than 100 mV ripple was found in a 1980s documentation. The...