The S-meter is a signal strength meter used in communication receivers. This circuit was found in a 303 Circuits from the 90s, European publication.
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...