View Single Post
  #10   Report Post  
Old September 3rd 11, 07:47 PM posted to rec.radio.amateur.antenna
John S John S is offline
external usenet poster
 
First recorded activity by RadioBanter: May 2011
Posts: 550
Default MFJ-868 SWR/Wattmeter

On 9/3/2011 1:32 PM, Jeff Liebermann wrote:
On Sat, 03 Sep 2011 09:51:00 -0700, Jeff
wrote:

(...)

K0TO is collecting voltage measurement of the MFJ-259b for the purpose
of identifying blown diodes:
http://www.k0to.us/HAM/MFJ%20Diode%20measurements/Gather_MFJ_Data.htm
Estimates of the correct values:
http://www.k0to.us/HAM/MFJ%20Diode%20measurements/MFJ-259B%20Test%20Point%20Voltages.htm

Incidentally, his schematic at:
http://www.k0to.us/HAM/MFJ%20Diode%20measurements/11-17-sch_mfj259b-BW.pdf
looks better than most of the scans I've seen.


Good resources. Thanks, Jeff.

John - KD5YI