This 1969 circuit generates a high voltage that reaches 100 V from 16 V. The power is of the order of 280 mW. The number of diodes determines the voltage multiplication.
This transistor amplifier from the 1950s had gain of 10. The circuit is from Radio Electronics, from the...
Taking advantage of the high input impedance of the operational amplifier 741 and its high gain we...
When any of the sensors is interrupted, the relay closes its contacts and locks, not turning off...