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.
This traditional preamp configuration with the common emitter configuration has a polarization setting...
The FET of this circuit of a 1971 publication may be the BF245. The circuit serves as a voltage...
We found this circuit in a 90s Electronic Design. Through a capacitor it can increase the growth...