Design Ideas: July 7, 1994

Biasing corrects position-sensing photodiode

Clean switcher powers 16-bit A/D converters

DMM measures frequency

Single resistor betters inexpensive buffer

12-bit converter upgrades µC's

Sawtooth generator spans a 70-dB range

10-octave audio generator speeds tests

Envelope tracker quells jitter

IC diodes help deduce junction temperature

Low-power interrupt updates real-time clock