[arm-allstar] Yaesu SF and BF888S and RF Feedback

Joe joe at ad2dx.us
Sat Mar 14 19:01:20 EST 2015


Good deal, thats what I thought. Hope to get that installed, run simplest-tune-menu, and link into 27225.

Thanks.

On a separate note, I wanted to let everyone know that the Delaware Valley Radio Association (DVRA) W2ZQ in West Trenton NJ 146.07/67 PL 131.8 Yaesu System Fusion Repeater went online today.

73
Joe - AD2DX




On Mar 14, 2015, at 7:56 PM, Doug Crompton <doug at crompton.com<mailto:doug at crompton.com>> wrote:

Joe,

 In parallel, and I did it at the DB25 end in the connector to the FOB - pin 1 PTT to pin 19 or 20 gnd. As I remember the value was not critical. I found .001 and larger worked.

73 Doug
WA3DSP
http://www.crompton.com/hamradio


________________________________
From: joe at ad2dx.us<mailto:joe at ad2dx.us>
To: arm-allstar at hamvoip.org<mailto:arm-allstar at hamvoip.org>
Date: Sat, 14 Mar 2015 22:54:55 +0000
Subject: [arm-allstar] BF888S and RF Feedback

Hi Doug,
I have the BF888S but when transmitting, I am getting RF feedback. I suspect that’s what you meant by motorboating in your article. When you placed a .01uF cap, did you put it in series with the PTT line or parallel across PTT and ground? I assumed that the PTT line was a DC signal so I thought that the cap in series wouldn’t do anything. I have to run out to RS to get the cap but when I get back I hope to install it.

I got the URI, and the BBB all set up, just the RF feedback.
Thanks again.

73
Joe - AD2DX




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