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.
I found this circuit in an old document from 1981. The circuit can be implemented today with the...
The circuit presented is a 10 MHz oscillator with crystal, which already has several splitters for...
This two-transistor amplifier stage was obtained from the Encyclopedia of Electronic Circuits...