playing with bits

Thoughts of a computer scientist focused on electronics.
VHDL, RF, DSP, PIC, Digital, Analog, plus anything I find interesting at the moment.

Saturday, June 8, 2013

Analog Devices ADF4107 Based RF Frequency Synthesizer

›
I have had a few projects recently needing a stable local oscillator (LO) source for downconversion, notably my hydrogen line radio telescop...
1 comment:
Sunday, June 2, 2013

Lowrance Globalmap / LMS GPS Antenna Replacement Modification

›
The older Lowrance Globalmap and LMS series of marine electronics are terrific GPS receivers. The only common issue I see with them is that ...
21 comments:
Tuesday, May 21, 2013

Experiencing the Dayton Hamvention 2013

›
The Dayton Hamvention was this past weekend (May 17th - 19th) and after many years of wanting to go and not going for various reasons, I fi...
1 comment:
Friday, February 22, 2013

XBee Interface for the Davis Vantage Vue Personal Weatherstation

›
About a month ago I finally purchased a good personal weather station, a Davis Vantage VUE. I performed a ton of research over the past few...
9 comments:
Monday, November 12, 2012

A Silly USB Stick, It Presses 'F1'

›
So it happened to me. Recently I received some alert that my colocated servers were down at a local datacenter. There had been a power ev...
Monday, October 8, 2012

Hydrogen Line 1.42Ghz RF Front End - Radio Astronomy

›
After finally completing the power supply for my RF front end last week, I spent some time tonight assembling the power supply onto the back...
Saturday, September 29, 2012

Radio Telescope Power Supply - Progress

›
Today I received my power supply boards for the RF frond end of my radio telescope. Due to the number of amplifiers and the voltage requirem...
1 comment:
‹
›
Home
View web version

A computer scientist, hardware hacker, and embedded developer. KD8TBD

Brad
View my complete profile
Powered by Blogger.