EDN logo


Design Ideas: March 17, 1994


Digital potentiometer controls LCD bias
Programmable diode biases bridge
Synchronized regulator produces coherent noise
Circuit measures software-execution time
Switching-regulator output goes below VREF
Pulse-width adjuster reverses servo motor



| EDN Access | feedback | subscribe to EDN! |
| design features| design ideas |


Copyright © 1995 EDN Magazine. EDN is a registered trademark of Reed Properties Inc, used under license.

ADVERTISEMENT