This circuit with RIAA equalization is from 1985 US documentation. The circuit has a flat response of 150 Hz to 40 kHz. The power supply must be symmetrical.
Found in ancient American documentation this circuit uses semiconductors from the thyristor family such as...
The 8038 integrated circuit is not very common today. It is a circuit that generates signals of...
This circuit was found in General Electric documentation from the 1980s. The circuit is intended...