Design Ideas: June 9, 1994

PC and DSP µP interrupt each other

Autocalibrator nulls dc offsets

Low-cost MOSFET quashes power resistor

Spice plots noise figure

Passive components cancel phase errors

PLDs substitute for obsolete latches

PC printer port controls frequency divider

Printer-port data appears as bar on PC screen

Simple ADC is surprisingly accurate

Precision clamp recovers in nanoseconds

SOFTWARE SHORTS