Bridge amplifier (CB9058E)

Using two LM377s, this amplifier provides a few watts of audio in a low impedance speaker and the power can typically be between 12 and 15 V.

Radiation Monitor (CB4561E)
This circuit was obtained from an 1974 Everyday Electronics magazine. The circuit is still current as...
3-gate crystal oscillator (CB8056E)
Found in a 1970 EEE, this circuit can be applied to TTL ports. The supply is 5 V and the...
Common Source JFET Stage (CB25568E)
We found this circuit in the April 2013 issue of Electronics Now. Any JFET can be used. Note the...