In addition to tone control, this circuit of the SGS 1982 linear integrated circuit manual has a loudness control. The supply must be made with a 24V voltage source.
This circuit uses a NAND port to convert rectangular signals from 50 kHz to 1 MHz into triangular...
This circuit activates a relay producing pulses at regular intervals adjusted by the...
This oscillator is indicated for the adjustment of FI of FM radios, having its frequency...