This circuit uses CMOS integrated circuits and can operate with CMOS logic from 3 to 15 V or TTL with 5 V power. The power is obtained from the circuit under analysis.
This circuit can be used as an amplifier for musical instruments or even with your cell phone. The...
The diagram below is an application of the Texas Instruments TPS25221 to an ISM controlled power...
This application is not modern since few computers have parallel ports. But you can use this...