I found those 4.224 Crystal oscillators (ex equipment) on eBay .
Divide 4224 by 32 (first 8 and then make the quadrature signals), and the LO frequency ends up on 132 kHz. Not bad for a 136 kHz SDR.
The Transistor that Changed the World -- the MOSFET
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*Another great video from Asianometry. *
*My only quibble is that it kind of left unclear the differences between
JFETs and MOSFETs. After all, we still...
1 day ago
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