This RIAA equalizer preamp was found in a 1990s schematic. The transistors are an old version of the BC549 that can be used as a replacement. Signal input and output cable must be shielded.
In this 1990s circuit, found in a National Semiconductor manual, the output voltage is the square of...
This mains-synchronized circuit produces a simple 1 pulse per second. The circuit is from a Radio...
August 2017 - Mouser Electronics already has the Connect One Pico WiReach ™ SMTS Pico modules...