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notes to self

a document of a plodding mind

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Tag: radio

Posted on 2021-09-152024-06-19
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Arduino: 1-Watt 2m Transmitter with RF Signal Generator

Since I do a lot of RF projects, I wanted to see if I could make a 2m power amplifier using a minimal set of components. I have a numberContinue readingArduino: 1-Watt 2m Transmitter with RF Signal Generator

Posted on 2021-08-112024-06-19
Cat Links notes

Portable 40m Direct-conversion Transceiver Design

Having finished my master’s degree over a year ago now, I’ve started to see my thesis show up on various academic web sites. I decided I should probably link itContinue readingPortable 40m Direct-conversion Transceiver Design

Posted on 2019-03-032026-03-16
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7MHz Transmitter with AVR Soft-keyer

In my last post, I went over the design of a Colpitts crystal oscillator design that put out a moderately clean 7 MHz signal. In order to match the outputContinue reading7MHz Transmitter with AVR Soft-keyer

Posted on 2019-02-052026-03-16
Cat Links notes

Testing a 40m Wire Dipole on Mt. Hood

Here’s a quick video showing how I deployed a DIY 40m dipole antenna on Mt. Hood a while back. Though not the most interesting video, I think it shows theContinue readingTesting a 40m Wire Dipole on Mt. Hood

Cat Links notes

mobile APRS setup…

abram Posted on 2012-01-252012-03-06

here’s a picture of my mobile APRS setup in the Jeep. it’s been a fun project from time to time. eventually, i plan on constructing a 2m vertical antenna toContinue readingmobile APRS setup…

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Signals… from space?

abram Posted on 2010-06-302010-06-30

none other than. yesterday, i attempted to record some very weak signals for the amateur satellite, ECHO AO-51, with my trusty Yaesu VX-3R. most of my attempts had been unsuccessfulContinue readingSignals… from space?

about

Abram Morphew is an electrical engineer, bedroom musician, composer, naturalist, and amateur scientist. I play music in the the binary marketing show. This blog is a catalog of stuff that I make or bits of information that I think could prove useful later on when memory fails me.

 

I currently hold an Extra Class Amateur Radio Operator license and transmit on the air as K2NXF.

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