Tektronix 2722A ?

H

Henry Kolesnik

Guest
I'm taking a shot in the dark as I know some of these groups are not on this
topic but I've struck out so far on getting ops info on the Tek 2722A Sweep
Receiver. I got it at the Williams AZ swap and it seems to work! At the
motel in Williams it picked up the and displayed the cable channels leaking
using a coat hanger as an antenna and it did the same at 2 other locations.
I'm striking out in trying to figure out how to confugure it so that it
becomes more useful. So if there are any cable guys out there who can help
with basic ops or point me to info, I'd sure appreciate it.
tnx

--
73
Hank WD5JFR
 
I 've just purchased the subject generator. I knew it had problems and that
is why I was able to afford to buy it. I finally isolated and fixed the
major problem and now it does power up at least. I also bought a set of
manuals. I am now getting an error code #06 which means a hardare fault
within the A6A4 Phase detector reference sum board or the A6A5 Phase
detector output sum board. The relative error LEDs are illuminated on these
two assemblies. In addition the error LEDs are also illuminated on the A4A4
(Distributor) and A4A7 (AGC) assemblies. while I am sure given enough time I
can find and fix the poblems, it would be nice to be able to draw on any
experience that could be offered here. BTW, right now I do not get any
output at any frequency on the main RF output port. The reference output and
the 640 MHz output is OK. Any help will be appreciated. Thanks - Mike

Mike B. Feher, N4FS
89 Arnold Blvd.
Howell, NJ, 07731
732-901-9193
 
In article <_NQIc.9472$_b.6062948@news4.srv.hcvlny.cv.net>,
n4fs@eozinc.com says...
I 've just purchased the subject generator. I knew it had problems and that
is why I was able to afford to buy it. I finally isolated and fixed the
major problem and now it does power up at least. I also bought a set of
manuals. I am now getting an error code #06 which means a hardare fault
within the A6A4 Phase detector reference sum board or the A6A5 Phase
detector output sum board. The relative error LEDs are illuminated on these
two assemblies. In addition the error LEDs are also illuminated on the A4A4
(Distributor) and A4A7 (AGC) assemblies. while I am sure given enough time I
can find and fix the poblems, it would be nice to be able to draw on any
experience that could be offered here. BTW, right now I do not get any
output at any frequency on the main RF output port. The reference output and
the 640 MHz output is OK. Any help will be appreciated. Thanks - Mike

Mike B. Feher, N4FS
89 Arnold Blvd.
Howell, NJ, 07731
732-901-9193
Click to expand...
I'd be curious to hear what the problem(s) turn out to be. Those are
nice signal generators, and built like I'd imagine an interplanetary
probe is built, but they are fiendishly complex.

-- jm

------------------------------------------------------
http://www.qsl.net/ke5fx
Note: My E-mail address has been altered to avoid spam
------------------------------------------------------
 
On Fri, 16 Jul 2004 23:33:17 -0700, John Miles
<jmiles@pop.removethistomailme.net> wrote:

I'd be curious to hear what the problem(s) turn out to be. Those are
nice signal generators, and built like I'd imagine an interplanetary
probe is built, but they are fiendishly complex.

-- jm
Click to expand...
We have 6 of those 8662a's and have them calibrated once a year. They have the
best phase noise spec of any commercial generator I've seen, but are notorious
for breaking down frequently. If we didn't have so many lucrative government
contracts we would of sold them off years ago.
 
John

It appears, that at a minimum, one of the VCOs is bad. They use two FETs and
a varactor for tuning and have 6 inductors switched in to cover the desired
VCO range. They are not intended to be servicable, but, I have no choice but
to attempt to repair it myself. Even taking one of them apart is a
challange. I did buy it for its low phase noise characteristic as I would
like to use it in my home lab phase noise measuring test set up. Too many
projects and too little time. I will post my results here, and, still, if
any one can offer any suggestions it would be appreciated. Thanks - Mike

Mike B. Feher, N4FS
89 Arnold Blvd.
Howell, NJ, 07731
732-901-9193



"John Miles" <jmiles@pop.removethistomailme.net> wrote in message
news:MPG.1b62680cd3e0edf09896db@news-central.giganews.com...
In article <_NQIc.9472$_b.6062948@news4.srv.hcvlny.cv.net>,
n4fs@eozinc.com says...
I 've just purchased the subject generator. I knew it had problems and
that
is why I was able to afford to buy it. I finally isolated and fixed the
major problem and now it does power up at least. I also bought a set of
manuals. I am now getting an error code #06 which means a hardare fault
within the A6A4 Phase detector reference sum board or the A6A5 Phase
detector output sum board. The relative error LEDs are illuminated on
these
two assemblies. In addition the error LEDs are also illuminated on the
A4A4
(Distributor) and A4A7 (AGC) assemblies. while I am sure given enough
time I
can find and fix the poblems, it would be nice to be able to draw on any
experience that could be offered here. BTW, right now I do not get any
output at any frequency on the main RF output port. The reference output
and
the 640 MHz output is OK. Any help will be appreciated. Thanks - Mike

Mike B. Feher, N4FS
89 Arnold Blvd.
Howell, NJ, 07731
732-901-9193


I'd be curious to hear what the problem(s) turn out to be. Those are
nice signal generators, and built like I'd imagine an interplanetary
probe is built, but they are fiendishly complex.

-- jm

------------------------------------------------------
http://www.qsl.net/ke5fx
Note: My E-mail address has been altered to avoid spam
------------------------------------------------------
Click to expand...
 
You must log in or register to reply here.

Welcome to EDABoard.com

Sponsor

Back
Top