This circuit converts BCD inputs to analog voltages. The operational amplifier must be powered according to the desired output voltage range. The circuit is from documentation from the 90s.
Many collectors of records, tapes and even audiophiles often keep recordings on tapes that...
The current of this circuit is determined by a PNP transistor. The circuit is suggested by Texas...
The frequency of this oscillator depends on the inductor and capacitors in parallel with it. In...