Auto Bias for FET (CB6125E)

This configuration is from a 1964 US documentation valid for any FET. The range of power voltages depends on the application.

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Divide-by-16 Counter - 4520 (CB176)
The normal use of a 4520 as a divide-by-16 counter is shown in Figure bellow. In the normal...
Low Current Flasher (CB6257E)
This flasher was found in an 80's Electronic Engineering but can be easily implemented with modern...
Match Box Transmitter (CB19436E)
This micro-transmitter for the FM band was found in documentation from the 90s. The circuit is...