This circuit is from a 1968 Electronic Design. The components are from the era and the operating frequency is 60 MHz. No data on the coils is provided.
This precision speed control was obtained in an Electronic Design from the 90's. The output final...
This amplifier for old record players has RIAA correction and was found in documentation from the...
We found this configuration with a logic circuit that is now uncommon in an 80's documentation. The circuit...