Nick Cornford built his first crystal set at 10, and since then has designed professional audio equipment, many datacomm products, and technical security kit. He has at last retired.
Areas of interest of the author: Audio Measurement Oscillators Laser Supply
Publications on RadioLocman by the author Nick Cornford:
- Simple log-scale audio meterWhile refurbishing an ageing audio mixer, I decided that the level meters needed special attention. Their rather horrible 100 µA edgewise movements had VU-type scales, the drive electronics being just a diode...22-01-2024
- Squashed triangles: sines, but with teeth? Part 1A while ago, I needed (or wanted) a pocket-sized audio sine-wave generator: simple, stable, repeatable, single-gang control pot, 9 V battery-powered. A “squashed tri-wave” approach looked appropriate. While...
- Laser simulator helps avoid destroyed diodesLaser diodes can destroy themselves in a few nanoseconds, so testing the response and stability of a feedback-stabilized laser-diode driver can be expensive. The simulator circuit in Figure 1 shows a typical...27-07-2023
- Multi-decade current monitor the epitome of simplicityThis Design Idea has proved as useful as it is simple. With just three or four components, it allows the monitoring of current from microamps to well over 100 mA in a single range. I was developing a PIC-based board...05-07-2017