Institute Newton C. Braga

Circuit Bench

Parallel Port Interface for PC (NI021E)
This application is not modern since few computers have parallel ports. But you can use this...
Digital Amplifier (CB192E)
When more current from a digital output is needed than a single output could source or drain, a...
22W Automotive BTL Amplifier TDA1518Q (CB15378E)
This circuit is from the Philips Databook of 1990. The circuit has an input resistance of 60k ohms...