Gain 10 Amplifier (CB25636E)

Using a general-purpose transistor this AC amplifier was found in the November 1993 issue of Electronics Now.

0.2 to 20 kHz Voltage Ramp Controlled Oscillator (CB13932E)
This circuit is from an English magazine from 1978. The circuit can be assembled with BC557, BC547...
DC-AC converter (CB12410E)
Published in 1988 in Hands-On Electronics, this circuit converts the 12 V of a battery into 120 V...
SIDAC Transient Protector (CB4242E)
The circuit presented was found in the ON Semiconductor manual. In it we have a way to protect the...