This circuit was found in a Motorola documentation from 1968. The circuit makes use of FETs and bipolar of the time and can be applied to modern equivalents.
This circuit is from an old Popular Electronics. The circuit is based on a 555 and a 5V voltage...
This amplifier for audio signals with a 741 and single source was found in an Electroics Handbook from...
The circuit shown in the figure can generate signals up to 1.6 GHz. Coil L1 and capacitor C2 are...