Gemanium Transistors DC Amplifier (CB14775E)

This instrumentation circuit was found in the 1960 transistor application manual. More modern transistors can be used.

Core Independent Peripherals Now Available on PIC18 Family
PIC18F “K40” Features Intelligent ADC with Filtering and Signal Analysis Capabilities Ideal for...
Triac isolated trigger (CB8030E)
This circuit was found in a Radio Electronics from 1970. The coupler with LDR is from that time,...
Tone Triggered Relay (CB5942E)
This circuit is from an 80's documentation. The transistor can be any general purpose PNP and the...