This circuit from the 90s has RIAA equalization with a gain of 35 dB at 1 kHz. The circuit has an input sensitivity of 2.2 mV for an output of 100 mV.
The power transistors from this 1999 source must be mounted on excellent heat sinks. The circuit is...
An interesting application that finds applications in industry, especially when fluctuations in...
Crystals from 100 kHz to 1 MHz can be used in this 1957 Raytheon circuit. 4 can have values...