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  1. Fast Bipolar -10v+10v analog signal isolator - All About Circuits

    Dec 18, 2025 · Please note I haven't made a board in my life except some esp32 stuff to manage my home automation. But I'm good with soldering and have basic electronic knowledge.

  2. FMCW radar - All About Circuits

    Nov 29, 2020 · Hi team Does anyone come across a FMCW radar (module) in the sub 24Ghz range? thanks team!

  3. Long Range PIR sensor. - All About Circuits

    Jan 18, 2025 · The new FMCW radar detectors actually use intelligent discrimination and they are quite inexpensive, less then $20.00USD for a very sophisticated one. You can tune the …

  4. Seeking a review of Siglent SDS1204X HD - All About Circuits

    Apr 10, 2025 · This is a 12-bit, 4 chan, 200 MHz scope that I recently purchased and wondered if anyone here also has this scope or knows of a written review of the scope...

  5. Best approach to sweep 410-525 MHz? PLL/VCO vs ramped timer …

    Nov 26, 2025 · I need to implement a frequency sweep covering 410-525 MHz. I’m considering several approaches but want advice on real-world practicality: Simple ramp voltage → timer IC …

  6. Speeding Ticket - All About Circuits

    Sep 5, 2024 · The module is the Hi-Link LD2451 [manual] which operates at 24GHz using FMCW mode with a 1T2R (1 Transmit, 2 Receive) configuration.

  7. simulation of chirp signals - All About Circuits

    Nov 6, 2014 · Hi guys, I am new to this forum and also new to using LTspice. I have a project on simulation of chirp signals, please I will really appreciate if anyone can tell me how to simulate …

  8. Radar -- Sub-Miniature Radar for Detecting Motor Vehicle …

    Jan 4, 2024 · I am searching for a tiny radar transmitter/receiver that can detect a slow-moving motor vehicle but only vehicles moving directly towards the radar source (doppler?). Detection …

  9. Generating composite video using only basic chips - All About …

    Aug 30, 2016 · Hi all, I am looking for a way of generating composite black and white NTSC or PAL video signals using only basic chips like the CMOS 74HC series, clocks...

  10. Generating short 100V pulses - All About Circuits

    Jun 20, 2024 · Hi, How would you generate 100V pulses of approximately 100ns at no more than 10kHz? A 42V power supply is available and the pulses must be triggered from a micro …