Analog Output Blog

Ring modulator forward voltage?

Conventional wisdom is that in a ring modulator — a real ring modulator, one with a diode ring and transformers — diodes with low forward voltage are preferred. Matthew Skala writes (PDF): in a ring modulator, higher forward voltages mean higher signal levels are necessary and there will be more tendency for the carrier to […]

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Not too bright

I’ve been thinking about a module that would have six LEDs on the front panel (and maybe another one that would have ten), and something I noticed in a breadboard test is that if one of those LEDs was a diffused green one from Tayda (SKU A-1553), I was definitely seeing a change in the […]

Read More Not too bright