This is just an ultra-quick blog post about a nostalgic IC: µPC1237...
Revisiting µPC1237, a classic audio amplifier
Positive analog feedback linearizes 4 to 20 mA PRTD transmitter
I recently published a simple design for a platinum resistance detector 4 to 20 mA transmitter circuit...
LED driver combines high speed, precision
Applications such as turbidity measurement and densitometry require cleanly pulsed light sources with stable amplitudes. The LED driver illuminates retinal neurons in a biological experiment that has similar requirements...
Driving brushed DC motors
When to use over brushless alternatives...
Signal conditioning for platinum temperature transducers
High accuracy, stability, and wide operating range make platinum RTDs popular temperature transducers. Signal conditioning these devices requires care to utilize their desirable characteristics...
Build automatic transfer switch (ATS) with simple analog electronics
In today’s world, both households and industrial facilities are exploring ways to improve power reliability by harnessing multiple energy sources, not just the electricity from the grid...
Hands-on with hobby-grade arc generator modules
Arc generator modules may be small in scale, but they offer big opportunities for hands-on exploration in electronics...
Skyworks sets new benchmark in ultra-low jitter clock buffers for high-speed connectivity
Skyworks Solutions unveiled the SKY53510/80/40 family of clock fanout buffers – designed to meet the stringent timing demands of next-generation high-speed infrastructure...
Simple but accurate 4 to 20 mA two-wire transmitter for PRTDs
Accurate, inexpensive, and mature platinum resistance temperature detectors with an operating range extending from the cryogenic to the incendiary are a gold (no! platinum!) standard for temperature measurement...
Simple diff-amp extension creates a square-law characteristic
Back on December 3, 2024, a Design Idea (DI) was published, “Single-supply single-ended inputs to pseudo class A/B differential output amp” (Ref. 1), which created some discussion about using the circuit as a full wave rectifier...