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.
We found this circuit in a 1957 Raytheon transistor publication. The circuit can be assembled with...
November 2016 - Mouser Electronics is makingToshiba's new TLP78x and TLP79x isolation amplifiers...
This crystal oscillator produces a signal in the 27 MHz band, depending on the crystal. The...