Since your on the ham bands, there is no requirement as to you being on any frequency as long as it is in within the repeater limits of the ham bands. However, your local coordinating council may require you are within +/- so many cycles. I like to stick to the commercial standards in use in
It will come to 5 volts if you find a ferrite slug. I got
some out of an old HT... don't remember if it was a
Motorola or what, but it had the right size slugs for PLL
exciters. I *may* have more of them around, but would have
to look.
Paul N1BUG
On Sunday 19 December 2004 07:01 pm, DCFluX
Its called tweaking the Spam Filter, and its not a set it and forget it.
I have continually have to check the TRASH bin and train the program what to
ignore or trash it.
SOFTWARE is not a perfect componet subject to revisions, bugs, fixes, Beta
Versions, etc..
Mark Holman AB8RU
Happy
Kevin,
I now realize the mistake
I was making in looking at this. I am used toseeing newer PLL's with
a much higher reference oscillator frequency and having a divider in the
reference side before the Phase Comparator. In that case the stability
does improve over that of the reference
I don't want to beat a dead horse, or be critical of anyone, or act like a
"know it all" but I may be able to sheda little morelight on this
subject for those who are interested. Those of you who aren't, just hit
the delete key now.
I have designed many different PLL circuits in
--- In Repeater-Builder@yahoogroups.com, Paul Kelley [EMAIL PROTECTED] wrote:
It will come to 5 volts if you find a ferrite slug. I got
some out of an old HT... don't remember if it was a
Motorola or what, but it had the right size slugs for PLL
exciters. I *may* have more of them around,
The frequency stability of any transmitter is only as
good as it's reference oscillator (be that a PLL or a
multiplied crystal)- dividing or multiplying the
frequency will not change that constant (in PPM). It
doesn't matter if you use a 100KHz, 1MHz, 10MHz or
100MHz reference frequency, if they
--- In Repeater-Builder@yahoogroups.com, dep_ru_kidding
[EMAIL PROTECTED] wrote:
I have some pre-selectors and Scopes for the Cushman service
monitors
hanging out in my garage I need to get rid of and I'd like to get
something for em. If you have intrest send me an e-mail and we'll
Hi Wade,
Kevin,
I now realize the mistake I was
making in looking at this. I am used toseeing newer PLL's with a much
higher reference oscillator frequency and having a divider in the
reference side before the Phase Comparator. In that case the stability
does improve over
[EMAIL PROTECTED] wrote:
I think GE realized that the old multiplier highband exciter
needed a design revisit, and chose a PLL version over a conventional
multiplier for more reasons than just enhanced noise performance. The
PLL version requires very little tuning, thus reducing labor
Ok, what is a GP-68?
Sounds like a Diesel Locomotive ...
Neil - WA6KLA
Mike Morris WA6ILQ wrote:
Anybody got an answer to this email which I got from a friend?
Do you know anybody who can do an alignment on a GP-68?
I acquired one which is almost 1khz off frequency and
Anybody got an answer to this email which I got
from a friend?
Do you know anybody who can do an alignment on a GP-68?
I acquired one which is almost 1khz off frequency and would like to
get it calibrated correctly. Or is it something I can do
myself?
Mike WA6ILQ
Yahoo! Groups
It is a re-imported Motorola export only HT that covers commercial/ham, can be
user programmed, and is not supported in the US by Big M. It is relatively
cheap on eBay and, once programmed, is fairly easy to use, but, again, don't
expect to find local service support from Motorola. It is
In a message dated 12/20/2004 7:45:51 A.M. Central Standard Time,
[EMAIL PROTECTED] writes:
Ok, what is
a GP-68? Sounds like a Diesel Locomotive ...
Neil - WA6KLA
My Dad who is a 35 year retired Electro-Motive employee, Thanks you!
Electro Motive are the builders of GM's Diesel
Scott wrote:
Hello All
Here is a "crystal" question for the
group. Do crystals vary in the amount of random phase noise produced in
or by a typical crystal oscillator / FM modulator circuit as used in a
typical repeater transmitter? Now, more to the issue. I have a
Hello,
I would like to buy a 301 a scope module or a deviation meter for a CE 4,
either one if you have it.
Paul
-Original Message-
From: ocwarren2000 [mailto:[EMAIL PROTECTED]
Sent: Monday, December 20, 2004 5:14 AM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Re:
--- In Repeater-Builder@yahoogroups.com, dep_ru_kidding
[EMAIL PROTECTED] wrote:
I have some pre-selectors and Scopes for the Cushman service
monitors
hanging out in my garage I need to get rid of and I'd like to get
something for em. If you have intrest send me an e-mail and we'll
Joe Montierth wrote:
The frequency stability of any transmitter is only as good as it's reference
oscillator (be that a PLL or a multiplied crystal)- dividing or multiplying
the frequency will not change that constant (in PPM). It doesn't matter if you
use a 100KHz, 1MHz, 10MHz or 100MHz
Well, gang. I finally have the monster in my hot little hands!! And I find
it is NOT a TKR-830, but rather a TKR-820... From reading the
Repeater-Builder's web page, I see that Gene - WB0PKP has a TKR-820
operating on the ham band.
Gene - if you're out there reading this, can you get in touch
Do crystals vary in the amount of random phase noise
produced in or by a typical crystal oscillator / FM
modulator circuit as used in a typical repeater
transmitter?
Do crystals vary in produced FM (phase) noise.
Yes, but I would not label the noise as phase noise.
If the
Does anybody actually order from them? I've gotten a catalog
for years, but
never ordered. Prices were too high and minimum out of reach.
Chuck
WB2EDV
Yeah, I ordered from them occasionally when I couldn't find what I
needed anywhere else (75 ohm type N's come to mind). Prices are
N9WYS [EMAIL PROTECTED] wrote:
Well, gang. I finally have the monster in my
hot little hands!! And I findit is NOT a TKR-830,
but rather a TKR-820... From reading the Repeater
-Builder's web page, I see that Gene - WB0PKP has
a TKR-820 operating on the ham band.
I have 5 of them in
Thanks for the reply Kevin-
---Subject repeaters will have to remain
unnamed as I currently enjoy a good relationship with their point of origin and
I want very much to keep the situation that way. I will say however that
transmitter circuit wise , they are esentially the same as
Anyone have programming instructions for the Kenwood KPT-20 i need
program the 27c64 eprom for tk-720
ALGUIEN TIENE LAS INSTRUCCIONES PARA EL KENWOOD KPT-20, NECECITO
PROGRAMAR EL EPROM 27C64DE UN TK-720
THANKS-GRACIAS
JESUS
Yahoo! Groups Links
* To visit your group on the web,
Basically 20 channels of 438-470mhz, user
programmable (i.e. from the front panel).
No alpha tags, tho.
One neat feature is that it has a 16-button
touchtone pad.
And some have type acceptance labels, some don't.
The radio comes with the keyboard programming
feature disabled, you have to
Hola Jesus,
¿la información del regulador de CSI que yo le
envió trabajan correctamente?
¿Podía usted reajustar la contraseña?
respeto
skipp
skipp025 at yahoo.com
cobalto27mx [EMAIL PROTECTED] wrote:
Anyone have programming instructions for the Kenwood KPT-20 i need
program the
At 12/18/2004 11:07 AM, you wrote:
Bill Pasternak will build you any kind of cable assembly for a price.
Pasternak Enterprises
P. O. Box 16759
Irvine, CA 92623
Ph 714-261-1920
That's Pasternack. Not affiliated with Bill Pasternak AFAIK.
Bob NO6B
Yahoo! Groups Links
* To visit your
Oh! Ok,
Thanks.
Neil
Buley, Kenneth L (GE Consumer Industrial) wrote:
It is a re-imported Motorola export only HT that covers
commercial/ham, can be user programmed, and is not supported in
the US by Big M. It is relatively cheap on eBay and, once
programmed, is fairly
At 12/19/2004 10:29 PM, you wrote:
When it comes to Phase noise of an oscillator, the higher the Q of the
resonant circuit, the better the phase noise. An LC circuit generally
will have a Q of around 100 where a crystal can have a Q of 10,000 to
500,000, thus a crystal oscillator generally
Hello,
You
may want to go to http://www.allaboutcircuits.com/vol_2/chpt_9/6.htmlfor
a good theory of operation.
Paul
-Original Message-From: Fred Seamans
[mailto:[EMAIL PROTECTED]Sent: Sunday, December 19, 2004 7:44
AMTo: Repeater-Builder@yahoogroups.comSubject:
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