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.
With the circuit shown, when the brightness of one lamp decreases, that of the other increases. There is...
We find this circuit in a 1970 publication. Transistors can be replaced by current equivalents and LDR is...
We find this battery charger in a 90's Hands-On Electronics. The charging current is 2 A and when...