klaute/SWRMeter
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klaute fdf31f0ce3 Update 'tools/meas.py' 
Default impedance value fixed.
2016-09-25 12:03:39 +02:00
doc Schmatics of the si5351 breakout board added. 2016-09-22 10:07:39 +02:00
firmware Impedance calculation fixed. Two new sample data files added. 2016-09-25 11:59:06 +02:00
pcb Sample data added - the hardware seemes to be working now. 2016-09-24 20:46:35 +02:00
Si5351Arduino Si5351 arduino library added. 2016-09-14 20:04:29 +02:00
tools Update 'tools/meas.py' 2016-09-25 12:03:39 +02:00
README.me Readme information improved. 2016-09-23 08:40:39 +02:00

README.me 

This project is reengineered out of the TenaTester build by ZL1CVD.
The firmware is completely written by myself, the wheatstone bridge was mostly drawn as seen in the TenaTesta demo videos by ZL1CVD on youtube. The electrical component values were modified by myself to fit my personal requirements. The si5351 prt in the schematics was replaced by an adafruit breakout board.

Ressources:
 * https://learn.adafruit.com/adafruit-si5351-clock-generator-breakout/wiring-and-test
 * http://community.silabs.com/t5/Timing-Knowledge-Base/Modifying-Output-Driver-Strength-of-the-Si5351/ta-p/112253
 * https://github.com/etherkit/Si5351Arduino
 * http://images.google.de/imgres?imgurl=http://www.kh-gps.de/si5351_4.jpg&imgrefurl=http://www.kh-gps.de/si5351.htm&h=483&w=1115&tbnid=p6ACt2AabOao6M:&tbnh=90&tbnw=208&docid=YzcwWac64G4VOM&usg=__tpZeibmT-PYky-rOAt6f3X7w_7s=&sa=X&ved=0ahUKEwjggd_4tI_PAhUEnRQKHQHdAVUQ9QEIJzAC