Doug DeMaw taught us that a key contributor to analog oscillator stability is the use of NP0 capacitors. As part of my effort to maintain the ability to produce analog, discrete component, coal-and-cap, chip-free oscillators, I recently went out onto the internet in search of an assortment of NP0 capacitors. Nightfire Electronics had just what I needed. I took their assortment and put it in a parts box for easy access.
Finding Your Best Crystal Radio 'DX Diode' (Part 2)
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Readers may recall my summertime blog, "*Finding Your Best Crystal Radio
‘DX Diode'*". It described a theoretical method I tried in order to see
which o...
46 minutes ago
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