Re: [Elecraft] K3/100 RF Feedback/Spurious Oscillation Verified Via RX Input

2008-02-03 Thread Barry N1EU
I believe this phenomenon was responsible for my Acom 2000A generating arc fault errors if I ran >500W on 160M with rx connected to a Beverage that's about 100ft away in its general direction. It's still early to say, but the problem seems to have been cured by adding an ICE 196 RF Limiter in the

Re: [Elecraft] K3/100 RF Feedback/Spurious Oscillation Verified

2008-02-03 Thread Larry Phipps
AIL PROTECTED]> Subject: [Elecraft] K3/100 RF Feedback/Spurious Oscillation Verified Via RX Input To: Message-ID: <[EMAIL PROTECTED]> Content-Type: text/plain; charset="us-ascii" When I read about this report from Stewart last night (as well as the responses indicating t

Re: [Elecraft] K3/100 RF Feedback/Spurious Oscillation Verified Via RX Input

2008-02-03 Thread Stewart Baker
Good investigation Scott, ties in with my findings. Protem I have installed a relay to short the loop pre-amp output on TX. 73 Stewart G3RXQ On Sat, 2 Feb 2008 18:22:57 -0800, Scott Prather wrote: > > When I read about this report from Stewart last night (as well as the > responses indicating that

[Elecraft] K3/100 RF Feedback/Spurious Oscillation Verified Via RX Input

2008-02-02 Thread Scott Prather
When I read about this report from Stewart last night (as well as the responses indicating that other had experienced a similar effect) I decided to set up the bench test to see if I could emulate the problem. I've since discovered that these reports are valid, the K3 PA will generate a severe spe