Showing posts with label hetrodyne. Show all posts
Showing posts with label hetrodyne. Show all posts

Saturday, 1 June 2019

Get A Grip


I finally figured out an elegant solution to lazy bat detecting. Now I don't need to stand at the window all night like a loon.

Tuesday, 28 November 2017

Lowe Rider

I took a punt on a Lowe SRX-30 short wave receiver that was listed as not working. Well it needs a little clean, but it does work. With four levels of tuning control it certainly drives a little slower...

Monday, 16 January 2017

Dalek Table

I found some old transformers that have been floating around in my parts drawer for over twenty years, so I decided to whip up a passive ring modulator. The diodes are 1N60P