Time Base (CB25100E)

This time base circuit was found in the January 1988 issue of Radio Electronics magazine. The output signals are 1 Hz and 10 Hz TTL.

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Difference amplifier (CB21720E)
The circuit shown has a differential input and employs transistors of an array of matched types. The...
FM Antenna Booster (CB25707E)
This tunable circuit was found in the May 1994 issue of Electronics Now magazine. The circuit has...
Ultrasonic repellent 555 (CB24911E)
This circuit includes the power supply from the power grid. We found it in Radio Electronics from...