SDG2042X I recently acquired a relatively inexpensive dual channel signal generator: the Siglent SDG2042X. I’d been looking for a dual channel signal generator for a while to allow IMD measurements and this one was particularly attractive for a couple of reasons: DAC sample rate of 1.2GSPS meant that any image frequencies on the output would …
Author Archives: Dan McGraw
Phase Accumulator / CORDIC part 1
Disclaimer: I am not claiming any competency in signal processing / Verilog. This is just a documentation of what I’ve done (primarily for myself when I’ve forgotten what I did in 6 months!) If it helps you, great but I’m not brave enough to claim this is a tutorial. Demodulating an AM signal can be …
Power Supply Hacking – Part 1
I’ve really liked my Tenma 72-10480 power supply which I’ve been using for the last couple of years. Main plus points for me have been: Fairly cheap – currently £60 on CPC Amazing voltage accuracy (especially for the price)- setting the output to 20V still reads 20.00V on my Fluke 87V. Numerous checks over using …