Wrapping your head around phase detectors, ratio detectors ... A simple two-transistor circuit generates the pulses at the zero-crossing point, a low-pass filter cleans up the signal, and a ...

Scientists have demonstrated a cryogenic circuit that enables faster control of photons, marking a key advance in quantum ...

Conversation turns to the Flipper Zero ... complex circuit with a lot of filter components and a mild mystery surrounding the use of a GPIO to pulse the receive side of its detector through ...