Shock Generator (CB26139E)

This electronic defense was found in the 1990 special issue of Radio Electronics Experimenter magazine. A few hundred volts is generated.

| Clique na imagem para ampliar |

Differential amplifier LM741 (CB25929E)
This circuit is from a Radio Electronics magazine from May 1989. The source must be symmetrical, and other...
Signal Plotter with the 741 (CB11612E)
The sophisticated signal tracker/follower with a JFET and integrated circuit 741 was found in a...
Ultrasonic repellent 4011 (CB9385E)
This circuit was found in Radio Electronics from the 90s. The transducer is a tweeter and the...