W7GJ, Lance wrote:
Unless I am totally missing the boat here (which certainly happens), it
seems to
me that the cleanest way to make the K3 flexible enough to replace
existing
equipment requiring external sequencers, would be to be able to adjust the
time
between K3 PTT keying and
I guess I'm missing the boat on this discussion.
I thought all high power VHF ops used an external sequencer board that
did the following type of thing.
RX to xmit:
1) Bypass the mast mounted preamp, wait a bit
2) Put the amp in the tx mode, wait a bit
3) Put the xvtr in the tx mode, wait a
To make this all simpler I normally run the transverter as the LAST box to be
sent to transmit (ensuring that RF switching is disabled!). So
Rig-sequencer-Tx relay-PA bias-transverter. This may hot switch the
transverter, but that's rarely a problem in reality with the low powers and
enables
Andy Cook, G4PIQ wrote:
Now just need to find out why some of the Amphenol N-type relays used for
high power switching have got into a state that can take up to 0.5 second
to release after volts have gone. Maybe they've got magnetised - they were
originally 115V AC relays re-wound for
@mailman.qth.net
Sent: Friday, January 16, 2009 4:28 PM
Subject: Re: [Elecraft] Sequencer keying with K3/XV-144 without rigblaster?
To make this all simpler I normally run the transverter as the LAST box
to be sent to transmit (ensuring that RF switching is disabled!). So
Rig-sequencer
-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Don Wilhelm
Sent: Wednesday, January 14, 2009 23:31
To: w...@q.com
Cc: Elecraft Discussion List
Subject: Re: [Elecraft] Sequencer keying with K3/XV-144 without rigblaster?
Lance,
It has already been
Hi Andy,
Yes, you are right - it is hard to imagine that it would take a whole
second to transfer all the relays. I just thought if there were a way
to provide more of a delay before enabling the RF output, it might as
well go up to a second so you could accommodate mechanical coaxial
Wilhelm
Sent: Wednesday, January 14, 2009 23:31
To: w...@q.com
Cc: Elecraft Discussion List
Subject: Re: [Elecraft] Sequencer keying with K3/XV-144 without rigblaster?
Lance,
It has already been thought of and included in the K3 - see below.
I am not sure if you are referring to the KEY
Dear Elecrafters:
I am selling my TS-2000 and building a K3/XV-144 for EME on 2m as well as
normal modes and digital on HF
My question is, has anyone figured out how to eliminate using a rigblaster when
using a K3 with a sequencer (LNA Technologies)?
The K3 isolates the
audio signals, but I
How much delay do you need? I use the 50 mS delay from the key out
jack, to drive the amp.
Dave Wilburn
NM4M
eric norris wrote:
Dear Elecrafters:
I am selling my TS-2000 and building a K3/XV-144 for EME on 2m as well as
normal modes and digital on HF
My question is, has anyone figured
Hi Dave,
You raise an interesting questionmaybe that is the elegant solution to
integrating the K3 into old kluge-like VHF stations with lots of coaxial
relays,
homebrew amplifiers, etc.
PTT output jack on the rear of the K3 could optionally be configured as a
sequencer itself, so it
There are also two DIGI OUT lines that are currently, I think,
uncommitted.
73, doug
Date: Wed, 14 Jan 2009 21:55:23 +
From: Lance Collister w...@q.com
Hi Dave,
You raise an interesting questionmaybe that is the elegant solution to
integrating the K3 into old kluge-like
Eric,
You may be able to dispense with the Rigblaster if you activate the
sequencer with the K3 KEYOUT signal rather than PTT. If you need more
sequencer time than the 20 ms. maximum provided by the CONFIG: TX DLY,
one of your sequencer outputs could provide the TX INH input to the K3
to
Lance,
It has already been thought of and included in the K3 - see below.
I am not sure if you are referring to the KEY OUT jack on the back of
the K3 or the PTT jack.
The PTT jack is an input - one would plug the footswitch into it, or
alternately use the PTT on the microphone or the PTT from
snip there is the TX INH function that can be configured for pin 7 of the
ACC connector
Although I didn't instigate the question, I'd missed that option Don, thanks
for that.
73 Andy
http://www.gd0tep.com
___
Elecraft mailing list
Post to:
Hi Don,
Thanks for your suggestion regarding the TX INH function. I suppose that is
one
approach that would work, although it does not address the question of
providing
up to a second delay within the K3. If an outboard timer system or sequencer
were
used, then a voltage could be applied
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