This 80's General Electric circuit is guarded by the noise-guard for operating current. The circuit has an input sensitivity of 3 pA. The font must be symmetrical.
This immobilizer circuit for vehicles was found in a 80’s Hands On Electronics. The circuit...
This circuit can be used as a clok in digital applications. Power supply is 5-V and the pins for...
With this preamplifier it is possible to use a small speaker as a microphone. The circuit is also...