Roger G3XBM's (Mainly) Amateur Radio Blog

Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.

Showing posts with label k3pgp. Show all posts

Showing posts with label k3pgp. Show all posts

10 Mar 2013

Optimised 481THz receiver

As the weather was miserable here today, I decided to work on the K3PGP derived 481THz optical receiver this morning. I wanted to ensure i...

9 Mar 2013

K3PGP receiver for 481THz

One of the simplest, yet highly sensitive, receivers for optical communications is one designed by John K3PGP . The G8CYW design in Practica...

27 Feb 2012

Optical RX schematic

Schematic of the G3XBM optical RX Several people have asked for the schematic of the optical receiver used in the recent "over th...

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Roger G3XBM: Burwell, Cambridge, United Kingdom

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