Design Ideas: October 26, 1995

Quad comparator regulates temperature

Off-line buck regulator cuts costs, leadtime

Precision missing-edge detector also corrects

Program designs single-supply op-amp circuits

5V supply derives power from three-wire RS-232C port

Reset card eases µP troubleshooting

Use a PC's printer port to measure frequency

Select ISA interrupts without jumpers

Printer port controls amplifier's gain

Load assembly code in 8052-Basic systems