Hi Jan,
as I stated earlier, psu are often without mainsfilter and will radiate a
lot of noise.
At least you will have to select a psu which is specified to meet FCC Class
B.
Most suppliers do not specify anything around EMI.
I also made negative experiences with TFT-monitors (I had to install
FireBrick wrote:
I was able to 'drop' my qsx frequency right on top of the panadaptor station
that A24SL just worked.
Pretty amazing isn't? Even Eric understands the utility of it now. We
had to convince him it was worth the pain it was going to cause him. We
told him it is only
Bob,
Interesting observation - I've noticed the same thing (and caught myself saying
it as well.)
I find it interesting to compare the sound of the signal to it's panadapter
signature.
Mark
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From: Robert McGwier[mailto:[EMAIL PROTECTED]
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FireBrick wrote:
Maybe I don't understand but...
In the Quadra, ALC is also used to cut back ft1000mp power in case of
wrong antenna selection.
The high swr, would cause the Quadra ALC to shut down exciter power to
protect the Quadra finals.
Especially in dxing or contesting, it's so easy
It's interesting that you can see the bandwidth
and frequency response of a station even before
you tune him in. You know in advance what he is
going to sound like. And it is so easy to spot
the terrible signals.
Mike - AA8K
Mark Amos wrote:
Bob,
Interesting observation - I've noticed
I enjoy looking up and down the panadapter passband on 40 watching who is
sending CQ.
Get your own web address.
Have a HUGE year through Yahoo! Small Business.
I think it is this kind of situation where flex will eventually shine. At some
point you should be able to write a script that would ensure the correct
antenna was connected to the correct amp which had the correct drive for a
given band. It should virtually eliminate the wrong antenna or too
Hi,
who can explain the meaning/function of button1 in the left corner of
the console in v1.9.1 SVN:1336/7 ?
Thanks, Hans, DL2MDQ
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13.8 volts available on the back that is enabled when the 5K is turned on.
It's hard to tell from the picture, I can't really tell from the connector.
What I'm asking is...when I flip the switch to turn on the 5K, will that
empower 13 volts for ancillary switching?
I can turn my Quadra on/off
Button1 is just a placeholder for tests. Right now I think it links to a
test related to the FLEX-5000. It is normally hidden unless we need someone
with Release only access (as opposed to Debug) to test something for us.
Eric Wachsmann
FlexRadio Systems
-Original Message-
From:
There is no switched DC voltage output on the F5K
-Tim
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of FireBrick
Sent: Wednesday, July 18, 2007 1:58 PM
To: FlexRadio List
Subject: [Flexradio] will the flex5K have
13.8 volts available on the back
In the homebrew , 600 watt amplifier that I built, I placed the SWR
bridge before the filters so the amplifier will fault if the antenna is
wrong or the bandswitch is wrong. The fault mode just does not allow
the amplifier to be in line. If it is a high SWR that causes the fault,
then the
Hi Tom
How does your exciter know to cut back the drive? In most
exciters, the hardware ALC does this, and the amp can use that to
command a cutback. But if the exciter has no hardware ALC (like
Flex-radio products), then what?
Incidentally, all the non-Flex exciters that I am personally
Jerry,
The exciter does not cut back the drive in my set up. What happens is
the amplifier refuses to key under a fault condition, so it is bypassed
and the exciter sees the antenna instead of the amp input.
In thinking about this, it might be pretty easy to detect the ALC out of
the amp
Agreed that the circuit is trivial, but the interface between that
circuit and PowerSDR or SDR-1000 is not.
Only thing I have been able to think of is an independent attenuator
pad between exciter and amp that would be switched in under ALC
panic control voltage level. If anyone has a better
Tom Thompson wrote:
It really should be the amplifier that handles
these conditions, so that the amplifier can be used with a variety of
exciters.
That said, having hardware TX inhibit is pretty important
sometimes. Transverters ain't cheap.
Yaesu did a nice thing in that regard. On the
At 03:19 PM 7/18/2007, you wrote:
Agreed that the circuit is trivial, but the interface between that
circuit and PowerSDR or SDR-1000 is not.
Only thing I have been able to think of is an independent attenuator
pad between exciter and amp that would be switched in under ALC
panic control voltage
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Anyone interested in remote station operation should check out the
latest release of IP-Sound from SM5VXC
http://www.svenstedt.se/ip-sound/
de ken n9vv
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Hmmm. Might work if I just open the amp's PTT line with a circuit
controlled by the ALC panic level voltage, rather than switching in
an attenuator pad. Have to think about that. Doesn't protect the
exciter, though, but at least the exciter is cheaper than the amp here.
Jerry W4UK
At 07:00 PM
There is a switched 13.8V on the FlexWire connector. There is also switched
5V on the front panel microphone connector.
Gerald
Gerald Youngblood, K5SDR
FlexRadio Systems
Ph: 512-535-4713
Fax: 512-233-5143
Email: [EMAIL PROTECTED]
Web: www.flex-radio.com
-Original Message-
From:
Sounds like a good workaround. Does it lockout somehow, or just
buzz until you manually shut it down?
A circuit diagram would be helpful. Maybe it could be placed in the
knowledge base for reference.
Jerry W4UK
At 07:15 PM 7/18/2007, Tom Thompson wrote:
On my SDR-1000, I am using one of the
At 05:16 PM 7/18/2007, Gerald Youngblood wrote:
There is a switched 13.8V on the FlexWire connector. There is also switched
5V on the front panel microphone connector.
Will the drawing in the knowledge base (article Q10400) be updated to
reflect this?
James Lux, P.E.
Spacecraft Radio
Dear FLEX-5000 customers,
Last week I posted the following status report to the reflector regarding
production status:
http://www.mail-archive.com/flexradio@flex-radio.biz/msg16866.html.
As of today, we have received about 20% of the replacement front and rear
panels and they look very good this
I stumbled across this. Anyone have a clue?
http://softwaredefinedradiousa.pbwiki.com/
de ken
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Can you confirm this, Gerald - the 1k and 5k will drop back or drop
completely (power level) under these conditions?
Jerry W4UK
At 09:58 PM 7/18/2007, Dudley Hurry wrote:
The 1K and the 5K will drop back or drop completely with a High
SWR in the panadapter. Of course if the amp is presenting
Is the transmit profile supposed to change when the selected mode changes?
Jim - W4YXU
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please add me to the list for the circuit diagram.
I'm a tad confused by the AND but I think I understand what you mean.
- Original Message -
From: Jerry Flanders [EMAIL PROTECTED]
To: Tom Thompson [EMAIL PROTECTED]
Cc: Robert McGwier [EMAIL PROTECTED]; Flex Radio
All relevant documents that contain the mic connector drawing have been
updated. Once the pin outs for the FlexWire connecter have been
published, those documents will be amended as well.
-Tim
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jim Lux
Hello,
After reading the latest update on the new Flex5000, a thought had
entertained me! In part of the update statements, this was mentioned.
We will be doing at least triple testing of the
early units, including live on the air operation.
Does this mean some of us will get older versions
Ken,
There are no older versions of the production FLEX-5000A radio; there
is only one. What Gerald is saying is that extra quality verification
efforts will be made on the first run or initial units of transceivers
off the production assembly line to ensure that the radio is performing
up to
At 07:35 PM 7/18/2007, Tim Ellison wrote:
All relevant documents that contain the mic connector drawing have been
updated.
Wow.. that's fast..
There's a typo in the KB article 10400.. I think there's a missing
word or two in front of the last sentence.
Might be nice to tell if there's any
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