The Tiny Tapeout custom ASIC project has been around for a while now, and has passed through several iterations of...
oscillator
The chances are that many of you will have made an FM “bug” style transmitter, a simple one-transistor oscillator usually...
In the quest for an accurate frequency standard there are many options depending on your budget, but one of the...
Since their invention more than a century ago, crystal oscillators have been foundational to electronic design. They allow for precise...
When we first spotted the article about a one-transistor amateur radio transceiver, we were sure it was a misprint. We’ve seen...
In the days before integrated circuits became ubiquitous, providing advanced functionality in a single package, designers became adept at extracting...
If there’s one thing that amateur radio operators are passionate about, it’s the search for the perfect sine wave. Oscillators...
One of the more interesting facets of GPS is that, at least from the receiver’s point-of-view, it’s a fairly passive...
may not be an actual spy — then again, he may be; if he’s good at it, we wouldn’t know...
In our surface-mount age, it’s easy to be jaded about miniaturization. We pretty much expect every circuit to be dimensionally...
A few months ago we brought you some experiments from , in which he investigated the use of a glue...
The proliferation of software-defined radio (SDR) technology has been a godsend for RF hobbyists. SDR-based receivers and transmitters have gotten...
Over the years the humble 555 timer has been used in so many unexpected places, but there’s a project from which...
In a world with software-defined radios and single-chip receivers, a superheterodyne shortwave radio might not exactly score high on the...
