This circuit generates sinusoidal signals that depend on the input oscillator. The circuit is from a Radio Elecrtronics from April 1988. The signals are in the range of a few hundred kilohertz.
This protection circuit for standing waves was found in a manual of high frequency circuits and...
This high input impedance amplifier stage was found in a 1963 documentation. The transistor...
This setting appears multiple times on the site from different sources. This is from a 2000 manual...