Today's Message Index:
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0. 12:18 AM - Please Make A Contribution Today... (Matt Dralle)
1. 06:37 AM - Maintenance manual for King KT76A? (Brantel)
2. 09:15 AM - Re: Re: PTT Y adapter for RST intercom (Robert L. Nuckolls, III)
3. 09:46 AM - Re: PTT Y adapter for RST intercom (messydeer)
4. 09:50 AM - Re: PTT Y adapter for RST intercom (user9253)
5. 10:23 AM - Re: PTT Y adapter for RST intercom (user9253)
6. 01:21 PM - Re: PTT Y adapter for RST intercom (user9253)
7. 01:21 PM - Source for Wire wrap PCB stakes (Paul McAllister)
8. 07:39 PM - Re: Source for Wire wrap PCB stakes (MikeRV6-A)
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| Subject: | Please Make A Contribution Today... |
Dear Listers,
A quick reminder that November is the annual List Fund Raiser and the List of Contributors
is quickly approching. The Matronics Lists are 100% member supported
and all of the operational costs are provided for by your Contributions during
this time of the year.
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or by dropping a personal check in the mail to:
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Thank you in advance!
Matt Dralle
Matronics Email List and Forum Administrator
Message 1
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| Subject: | Maintenance manual for King KT76A? |
Anyone got the Maintenance manual for King KT76A in PDF?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=359456#359456
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| Subject: | Re: PTT Y adapter for RST intercom |
At 11:28 PM 11/25/2011, you wrote:
>
>Nice :-)
>
>Hadn't thought about this before, but I think the PTT relay grounds
>would go to a/c ground, and the other 4 would go to the radio jack
>sleeve, right?
>
>I also looked around Digikey.com for the relays. It was hard to
>match the relays with sockets that are sold separately. I'm browsing
>through Ebay, which may have something.
This relay . . .
http://search.digikey.com/us/en/products/G5V-2-DC12/Z768-ND/87821
is suited to the task and fits in this socket
http://search.digikey.com/us/en/products/4-1571552-2/4-1571552-2-ND/2258924
Bob . . .
Message 3
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| Subject: | Re: PTT Y adapter for RST intercom |
Thanks, Bob :-)
I understand these relays can be soldered to a perfboard. Joe had mentioned this,
and I sorta forgot about the socket. Is there an advantage in using a socket,
or could the relay be just as easily soldered directly onto a perfboard? I'd
only be getting two of them and they're real cheap, so cost isn't an issue.
--------
Dan
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=359477#359477
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| Subject: | Re: PTT Y adapter for RST intercom |
Attached is a schematic that I drew of a single relay interface between RST-442
& Com radio. Only one MIC can be connected to the radio at a time. I do not
know if having the co-pilot MIC always connected to the radio hurts anything.
What do you think?
Joe
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=359478#359478
Attachments:
http://forums.matronics.com//files/rst_442_173.gif
Message 5
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| Subject: | Re: PTT Y adapter for RST intercom |
> Is there an advantage in using a socket, or could the relay be just as easily
soldered directly onto a perfboard?
I think it is a matter of personal preference. A socket will make it easy to replace
a defective relay. The relay can not be damaged by heat from soldering
if it is plugged into a socket. Sometimes troubleshooting is made easier by unplugging
a component from a socket. But I prefer to solder parts directly to
a PC board without using a socket, especially if subject to harsh environmental
conditions. Then I do not have to worry about a bad connection between the
part and the socket.
Joe
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=359481#359481
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| Subject: | Re: PTT Y adapter for RST intercom |
See attached picture that shows how a perf board with copper strips can be used
to make a project without having to acid etch a copper clad PC board. While
not suitable for complex circuits, simple circuits can be crafted by adding jumpers
to the component side of the board.
Joe
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=359486#359486
Attachments:
http://forums.matronics.com//files/vectorbord_100.gif
Message 7
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| Subject: | Source for Wire wrap PCB stakes |
Hi All,=0A=0AWay back a while, wire wrapping was all the rage and I used to
be able to buy a PCB wire wrap pin.- I am looking for these again and th
e nearest thing I can find is ED5002-ND from Digikey.- Apart from the fac
t that these are .33cents each, they at not what I am looking for.- The E
D5002-ND appears to be a wire wrap socket.- All I am looking for is a sim
ple stake that is soldered to the board as a wire wrap post.=0A=0AIf anyone
could direct me to a source I'd appreciate it.=0A=0AThanks,- Paul=0A
Message 8
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| Subject: | Re: Source for Wire wrap PCB stakes |
You can find several sizes of wire wrap pins from Keystone
Electronics in part numbers 5070 through 5083. Another option
is purchase of wire wrap DIP IC sockets, then cut pins off
the sockets to obtain single pins.
Mike
> Hi All,
>
> Way back a while, wire wrapping was all the rage and I used to be able to
> buy a PCB wire wrap pin. I am looking for these again and the nearest
> thing I can find is ED5002-ND from Digikey. Apart from the fact that
> these are .33cents each, they at not what I am looking for. The ED5002-ND
> appears to be a wire wrap socket. All I am looking for is a simple stake
> that is soldered to the board as a wire wrap post.
>
> If anyone could direct me to a source I'd appreciate it.
>
> Thanks, Paul
>
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