K6JCA
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Tuesday, October 18, 2016
SDR Notes: The Mixer Mathematics of Digital Down Conversion
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(This post originally started as notes to myself, placed here so that I would not lose or forget them.) The Digital Down Conver...
2 comments:
Tuesday, October 11, 2016
More Notes on Directional Couplers for HF -- The Twin-Lead "Twin-Lamp" SWR Indicator
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The Twin-Lead "Twin-Lamp," by W4HVV At a recent swapmeet someone asked me how the venerable dual light-bul...
Monday, May 2, 2016
Use a Dremel Router to Prototype Circuits with SMD Parts
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(Little pads for a little part) My projects are almost always "one-off" projects. That is, I build one and that's i...
Thursday, February 25, 2016
An Arduino-based GPS Disciplined Oscillator
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Notes: August 1, 2016: The schematic showing the serial interface has been updated. Its Revision has been changed from Re...
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