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.
November 2016 - TBC8x7 Series Bipolar Transistors with 60 V Vcbo and 150 mA Collector Currents can now...
This circuit was found in a 80’s American documentation. The adjustment trimpot is from 47k to...
This circuit is used to protect an amplifier from excessive power output that would cause problems for...