BLIND-HAMS Archives

For blind ham radio operators

BLIND-HAMS@LISTSERV.ICORS.ORG

Options: Use Forum View

Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
Pat Byrne <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Wed, 12 Mar 2014 13:21:11 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (141 lines)
For what it is worth, I always run my carrier pot all the way 
counterclockwise.  I'm not sure I understand its function.  This is 
with my old TS850.  Back in the day, it was always important to get 
rid of as much of that carrier as you could!  Guess I'm trapped in the past.
Pat, K9JAUAt 01:02 PM 3/12/2014, you wrote:
>Tom,
>
>This may come as a shock to you, but "over" means "over".   You are off
>the scale and overdriving.    i doubt if this has anything to do with
>your amp problem, but you may want to back things down a bit.
>
>I don't think carrier level affects SSB, but I have mine set at 20.   It
>varies by band, but at that setting I'll get at the most a couple of
>pips on the ALC meter (2,3,4) Other bands I get 1 or zero.    This keeps
>the power spike under control  on CW/FSK.  At the least, you should have
>your XYL tell you where the sweet spot in the ALC range is by looking at
>the meter and try and keep things there.
>
>
>Getting the buffer out of line  for a test is a good idea, but you would
>have to get a cable to connect to the 7 pin din.    Try some of the
>other suggestions first.  Be sure the control cable to the amp, buffer,
>and the din to the radio and buffer are all seated fully.
>
>73, Steve KW3A
>
>
>On 3/12/2014 1:40 PM, Tom Behler wrote:
> > Bob:
> >
> > I'll do that.
> >
> > I know that at that level, the TS590 still says A over, though.
> >
> > I am not quite sure what that means.
> >
> >
> > To get it to stop giving me the A over  reading, I have to drop the carrier
> > all the way down to something like 13 or 14, which seems really strange to
> > me.
> >
> > Tom Behler: KB8TYJ
> >
> >
> > -----Original Message-----
> > From: For blind ham radio operators [mailto:[log in to unmask]]
> > On Behalf Of Bob, K8LR
> > Sent: Wednesday, March 12, 2014 10:24 AM
> > To: [log in to unmask]
> > Subject: Re: Still troubleshooting my ocasional AL811 relay tripping issue
> >
> > Tom,
> >
> > another thought, try dropping your carrier control to 40, that might help!
> >
> >
> > Bob, K8LR, [log in to unmask]
> >
> > ----- Original Message -----
> > From: "Tom Behler" <[log in to unmask]>
> > To: <[log in to unmask]>
> > Sent: Wednesday, March 12, 2014 10:10 AM
> > Subject: Still troubleshooting my ocasional AL811 relay tripping issue
> >
> >
> > Hi, all.
> >
> >
> >
> > As you may recall, I have a problem here where my AL811H amplifier relays
> > occasionally trip when I am transmitting, and I'm trying to figure out why
> > it happens.
> >
> >
> >
> > I have checked all of my connections between the TS590, my ARB704 buffer
> > box, and the AL811, and they seem to be firmly in place.
> >
> >
> >
> > I'm now starting to wonder if my amp relay tripping issue has something to
> > do with my TS590 rig settings.
> >
> >
> >
> > As I think I said before, I use between 60 and 65 watts to drive the
> > amplifier, which, as far as I understand,  is well within the limits
> > prescribed by Amaritron.
> >
> >
> >
> > I checked some other settings on the TS590, though, and wonder if one of
> > those is creating my problem.
> >
> >
> >
> > Currently, I have my mic gain set at 50, and my carrier set at 50.
> >
> >
> >
> > I have the PF2 button set for voice 2, which reads SWR and something else
> > when I press the meter switch button and transmit.
> >
> >
> >
> > I'm not sure what that other function is, but I have noticed that when I
> > back the carrier way down to say 13, that other meter function says A 13 or
> > 14, rather than A "over" when I have the carrier set to 50.
> >
> >
> >
> > I'm wondering if my carrier is set too high, and if I should back that down
> > considerably.
> >
> >
> >
> > Over the week-end, when I get more time, I'm going to follow Kelvin's
> > earlier-posted procedure for determining the maximum input power 
> for driving
> > the AL811H, and hopefully, that will help further.
> >
> >
> >
> > I'd appreciate any suggestions anyone might have for other things I might
> > try.
> >
> >
> >
> > And, if someone can clarify the alternate voice 2 meter function, 
> that would
> > be helpful as well.
> >
> >
> >
> >
> >
> > Tom Behler: KB8TYJ
> >
> >
> >

ATOM RSS1 RSS2