This limiter circuit provides a constant amplitude signal at frequencies of up to 100 MHz. The circuit operates with 9 mV input signals and was found in a 1969 US documentation.
Found in a 1970’s documentation, this circuit uses components of the time, uncommon today. |...
This simple robot circuit was found in a Radio Electronics from the 90s. The components are...
This very high input impedance preamplifier is from a publication of 1977 but can also be mounted...