Electronically-variable capacitor with wide range and high value
Varactors have their uses, but this design is more versatile in many situations.
Fast PWM DAC has no ripple
This imaginative design eliminates ripple and greatly speeds a PWM DAC using only a few components.
Low power application design with MEMS accelerometers
A look at possibilities on how to make use of MEMS accelerometers to decrease overall power consumption.
Switcher regulates HV in novel way
This Design Idea regulates high voltage without using high-voltage switching components.
FemtoAmp offers extreme gain range & isolation
Sense down to femtoamps, all the while maintaining a 160 dB gain adjustment range and optical isolation.
Convert binary number to any base
Learn the double dabble, and other ins & outs of efficient base conversion.
Trits vs. Bits: 5-Trit ternary DAC has 8-bit resolution and high PSRR
A high performance ternary DAC implementation from DAC-master Stephen Woodward.
Encode dozens of buttons with only four lines
Encode a remarkable 74 switches with only four IOs using Charlieplexing’s cousin. Add on an LCD interface and save even more.
Inverted dual-slope ADC boosts dynamic range
Gain five-plus bits of dynamic range by flipping a dual-slope converter on its head.
Cancel PWM DAC ripple with analog subtraction
Significantly reduce ripple and speed up the PWM DAC with this simple Design Idea.