This is one of those projects that has been residing in my head for a long time, as something I wanted to build. I’ve always liked direct conversion receivers. With them, as with regens, I felt that they have been underestimated by many builders and hams as being novelty items. Their apparent simplicity can also […]
Many of us in the home-brewer community were really disappointed when Todd VE7BPO recently discontinued his popular and very through-provoking site “The QRP/SWL Homebuilder”. An archive of the site is available for download in pdf form and is a great resource. Though not quite the same as having the site, it’s great to have a […]
In the last post I mentioned a hum issue that I’d been having with the VRX-1 that I bought as a kit from 4SQRP. When I related that it only happens on connecting the antenna, Jason NT7S told me it was probably common-mode hum. For a better description, refer to EMRFD, but my layman’s understanding […]
Dave Richards AA7EE 