Antenna Amplifier (CB26118E)

This circuit for analog VHF televisions was found in the 1989 Radio Electronics Experimenter magazine. It also works for FM receivers.

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High Gain Amplifier with 2 Transistors (CB25640E)
This circuit was found in the November 1993 issue of Electronics Now magazine. It uses...
36 LED sequential (CB7585E)
This circuit was found in a Popular Electronics from the 90s. The effect circuit uses components...
Triac Crowbar protection (CB15496E)
In the circuit shown in the figure, when the input voltage rises to 27 V, the TL431 triggers the...