December 2021

Detailed description of this issue HERE

Projects & Circuits

Easy-to-build Digital AM/FM/SW Receiver – buy the PCB HERE
Digital radios are very capable, but can be complicated and costly. Not this one, though! It uses the BK1198 digital radio chip, which is cheap and readily available.

Balanced Input and Attenuator for the USB SuperCodec – Part 1 – buy the PCB HERE
This compact balanced input attenuator fits into the same instrument case as the SuperCodec. Together, they form a potent recording and/or measurement system.

Mini Digital Volt/Amp Panel Meters – buy the PCBs
We take a look at some low-cost digital panel meters that display voltage and current at the same time, see what’s inside them and whether they’re easy to use.

Series, Features and Columns

The Fox Report by Barry Fox
Not all tech progress is for the better
tekkiepix pic of the month – Early professional VTR from the BBC

Techno Talk by Mark Nelson
Miraculous Transformation

Net Work by Alan Winstanley
The latest topical news about technology and trends from the world of the
Internet and beyond.

KickStart by Mike Tooley
Part 6: Exploring DDS

Circuit Surgery by Ian Bell
Op Amp Logarithmic and Exponential Amplifiers – Part 1

Max’s Cool Beans by Max The Magnificent – buy the SMAD display HERE.
Flashing LEDs and drooling engineers – Part 22

Audio Out
Analogue Vocoder – Part 1

Electronic Building Blocks
Standalone programmable stepper motor controller

Downloads

Download the files associated with this issue HERE.