Probably not going to be exactly what you want... but
I'll throw this out for you.
Hamtronics sells a grab bag of parts and the bag contains
coils he/they Jerry/Hamtronics uses on/with their kits.
I buy the grab bags and I have spare parts and parts to
proto-type with... and they're cheap.
Tom,
Your project brings back alot of memories.
I do have a good assortment of low value mica caps (same physical size as used
across helicals). Lots of 2pf on up to at least 10pf. I used many of the caps
to Pad coils in Sensicon and Motrac rigs, in years gone by. I enjoy Motrac
Holy cow, Skipp!! I haven't conjugated verbs for years... (Is that the
term??)
I/you/he/she/we/they/it... Wow!! Hahahaha
-Original Message-
From: Repeater-Builder@yahoogroups.com On Behalf Of skipp025
Probably not going to be exactly what you want... but
I'll throw this out for you.
Thanks to all for the advice about the Spectra that I connected reverse
polarity power to. Replacing the big, honkin' diode near where the red power
lead connects to the board solved the problem. Apparently, no other damage
was done, despite my foolish oversight. And, thanks to Motorola for a good
FB, Stephen. Glad to hear you were able to resurrect it!
Mark - N9WYS
-Original Message-
From: Repeater-Builder@yahoogroups.com On Behalf Of Stephen M. Parker
Thanks to all for the advice about the Spectra that I connected reverse
polarity power to. Replacing the big, honkin' diode
. mailto:shortwave%40verizon.net net
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Can anyone point me to an LBI for the following GE MastrII board?
19C320671G2 Intercom module
I would like to review a schematic of this board and see how I can utilize it
to source filtered/de-emphasized receive audio.
Thanks
Eric
KE2D
After looking over the LBIs and performing a few conversions, I have a question
regarding which everyone feels is the best source for a CAS signal into a
repeater controller - CAS, RUS, or RX Mute.
In regards to a COS source, I see a number of publications and sites recommend
CAS, then I see a
Eric,
My GE microfiche reveals that LBI-4831, -30951, and -30965 contain
information about the 19C320671G2 module. Alas, none of these LBIs is on
the RBTIP GE listing. If you are unable to find any of the stated LBIs, I
may be able to extract a (barely-readable) schematic directly from the
Thanks for the fast reply, Eric. I also spent the past hour or so downloading
and reviewing various LBIs, only to reach your same conclusion. Google and
Yahoo only yielded a few classified listings of boards for sale, and one 9-land
ham has a few pics of one in his 6m conversion project.
When you have a free moment, a scan of the lbi would be greatly appreciated.
Something is better than nothing, even mo' better when it's something for free!
Thanks
Eric
KE2D
--- In Repeater-Builder@yahoogroups.com, Eric Lemmon wb6...@... wrote:
Eric,
My GE microfiche reveals that
At 12/17/2009 18:54, you wrote:
After looking over the LBIs and performing a few conversions, I have a
question regarding which everyone feels is the best source for a CAS
signal into a repeater controller - CAS, RUS, or RX Mute.
I used to use RUS, until I discovered that the attack (invalid to
Thanks for all the replies and the suggestions. I don't think I'm brave enough
to try to get in there and change coil windings or capacitors in this radio;
just too many tuned circuits and some are literally buried under a lot of
active circuitry. Disassembling all of that just to get at
English is a tough language for me... one of 8 to
12 languages I try to trip/fake/bobble my way
through/around without much luck/success/rubber-chickens.
:-)
s.
Mark n9...@... wrote:
Holy cow, Skipp!! I haven't conjugated verbs for years... (Is that the
term??)
The 42 to 50 Mhz Motrac/Motran L receiver should tune 6 meters just fine
EXCEPT for the crystal multiplier stage which will need 3 capacitors changed
to lower values.
If you are having trouble tuning the RF receiver front end, the manual tells
you to remove the cover and use a signal generator
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