Non Inverting Amplifier (CB6433E)

Based on an operational of the time, this Popular Electronics circuit can be designed with any equivalent operational.

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Divider by 5 Counter (CB25363E)
This TTL circuit was found in the December 1990 issue of Radio Electronics magazine. The circuit has...
Full wave dimmer with SCR (CB7219E)
Found in an Electronics World of 1968 this circuit can use any SCR and diodes depending on the...
Wireless CW Monitor (CB4179E)
Placed near a telegraphic transmitter (CW) and with a small antenna or pickup, it reproduces the...