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Thursday, April 26, 2012

Gremlins In the Prop

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Several weeks ago, I built a Power Amplifier (PA) for my Propeller 30m Beacon (at 10.140MHz). I was a little reluctant to put it on the air,...
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Tuesday, April 24, 2012

30m Low Pass Filter Results

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Here are the measured results of the 30m Low Pass Filter (see previous post). Here is the Propeller Output without a Low Pass Filter. The...
Monday, April 23, 2012

More 30m Low Pass Filters

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Today was again, Low Pass Filter Day. I built three 30m Low Pass Filters to use with the Propeller as the Keyer and RF exciter. Previous f...
Monday, April 16, 2012

TCVCXO Six Hour Stats

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In preperation for finish building Huff-n-Puff Circuit, and then running the Huff-n-Puff TCVCXO Spin Code on the Propeller, I have been runn...
Friday, April 13, 2012

Prop - New Smoke Installed

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I worked up the courage (and found time) to troubleshoot the Smoked Propeller Protoboard (see previous post). Close microscope inspection...
Wednesday, April 11, 2012

HomeBrew Prop-UI

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While building my courage to troubleshoot the Smoke Released from my Propeller (see previous post) I have been designing a User Interface B...
Saturday, April 7, 2012

Propeller Project Magic Smoke

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I have been playing with my Propeller TCVCXO Frequency Master Clock. I am attempting to build the Huff-n-Puff circuit as previously blogged...
Friday, April 6, 2012

Prop Project Circuits

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The following are my current Propeller Project Circuits. Most of these deal with the User Interface; LCD, Knobs, LED, etc. As changes are ...
Wednesday, April 4, 2012

Encouragement from DipTrace

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As an addendum to my DipTrace Survival Guide , the following is my email exchange, which can be found on the DipTrace Yahoo Group List, at: ...
Tuesday, April 3, 2012

TCVCXO Boards Received

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Yesterday, I received my TCVCXO PCB back from DorkbotPDX (15 days). These will be used as a stable replacement for the Master Clock on the ...