Wiring diagram for GA radio/mic?

[Gary G]

Would anyone be kind enough to point me to a wiring
diagram for a general aviation radio?

I need to know the pinout configurations and voltage
for the mic connection.

Thank you and regards in advace!

Gary

[RST Engineering]

Gary --

No offense, but you are getting to be a PITA with this microphone stuff.
Ask the question in ONE newsgroup and you will probably get the answer you
want. Ask it in three or four and you are being a nuisance.

Jim



"Gary G" > wrote in message
...
> Would anyone be kind enough to point me to a wiring
> diagram for a general aviation radio?
>
> I need to know the pinout configurations and voltage
> for the mic connection.
>
> Thank you and regards in advace!
>
> Gary

[Jon A]

On Wed, 2 Nov 2005 09:09:27 -0800, "RST Engineering"
> wrote:

>Gary --
>
>No offense, but you are getting to be a PITA with this microphone stuff.
>Ask the question in ONE newsgroup and you will probably get the answer you
>want. Ask it in three or four and you are being a nuisance.
>
>Jim


Have you answered him, Jim? You should be the one since you're the go
to guy on radio work.

Gary, has Jim answered your question? If not keep asking. If so, his
answer is correct, look no further.

>
>"Gary G" > wrote in message
...
>> Would anyone be kind enough to point me to a wiring
>> diagram for a general aviation radio?
>>
>> I need to know the pinout configurations and voltage
>> for the mic connection.
>>
>> Thank you and regards in advace!
>>
>> Gary
>

[RST Engineering]

Definitively, in RAH, where he started this post in the first place without
spamming it across four newsgroups.

Jim



> Have you answered him, Jim?

[Gary G]

With all due respect - why is it that you care about that.
If it doesn't concern you, why bother?
I don't see that many people agree with you on that.

Judge and Jury convened and departed in your mind already?

No - I did not get an answer.

Most thankful regards,

Gary

[Gary G]

Spamming my ass.
Let's see - help fellow pilots out . . . .ask a qeustion . . .SPAM

DOES NOT COMPUTE!

Whatever . . .

Thanks to EVERYONE ELSE for your valuable input and
offers to help.

[Gord Beaman]

"RST Engineering" > wrote:

>Definitively, in RAH, where he started this post in the first place without
>spamming it across four newsgroups.
>
>Jim
>
>
>
>> Have you answered him, Jim?
>
Poor Jim...he's had a bug crossways up his arse for several years
that I know of...
--

-Gord.
(use gordon in email)

[[email protected]]

On Thu, 03 Nov 2005 09:18:42 -0600, Gary G
> wrote:

>With all due respect - why is it that you care about that.
>If it doesn't concern you, why bother?
>I don't see that many people agree with you on that.
>
>Judge and Jury convened and departed in your mind already?
>
>No - I did not get an answer.
>
>Most thankful regards,
>
>Gary

"With all due respect" - perhaps after posting in multiple groups,
you neglected to go back and check them all for "an answer".

It sure looks like you got an answer to me, just not in RAM.

If you think you'll get anywhere twisting Jim's tail, knock yourself
out. The really, really funny thing is, he's probably the best 'group
resource available for concise, accurate answers to GA
avionics-related questions.

see below;

TC


From RAH, not RAM

On Wed, 02 Nov 2005 07:15:48 -0600, Gary G
> wrote:

>Would anyone be kind enough to point me to a wiring
>diagram for a general aviation radio?
>
>I need to know the pinout configurations and voltage
>for the mic connection.
>
>Thank you and regards in advace!
>
>Gary

Same thread, also from RAH

On Wed, 02 Nov 2005 14:30:17 GMT, Orval Fairbairn
> wrote:

>There is VERY low voltage involved -- #22 AWG (shielded) wire will
>suffice.
>
>There are three hookups to the jack: Mike Key, Mike Audio and Mike Ring.
>
>Ring goes to Ground
>
>Key goes to a switch, which grounds the key circuit. This activates the
>transmit relay in the radio.
>
>Mike Audio passes straight through to the radio audio circuit and
>carries the voice. This wire should be shielded, to reduce EM
>interference.
>
>IIRC, the audio is the tip of the jack; the key is the next position on
>the jack. Ground is the outer (long) part of the jack. Check with a
>circuit tester.

Still in the same thread...

On Wed, 2 Nov 2005 09:07:30 -0800, "RST Engineering"
> wrote:

>Not quite, Orval. From the leading edge of the male connector (microphone
>end as opposed to the aircraft end) the sections of the plug are tip, ring,
>and shell.
>
>Grounding the tip places the transceiver in the transmit mode; ungrounding
>it (open) leaves the transceiver in the receive mode.
>
>The ring carries the microphone audio (more later).
>
>The shell is airframe or chassis ground.
>
>
>The mic audio line coming from the transceiver is a current source that is
>intended to provide a 300 ohm mic element with about 10 mA. Generally this
>is a simple resistor fed from a quiet regulated supply inside the
>transceiver. I usually use the +10 volt supply and a 680 ohm resistor. The
>microphone circuit is designed to emulate a carbon microphone (variable
>resistance with audio) and will give somewhere between half a volt and a
>volt peak to peak with normal mic audio.
>
>
>Jim

[Jon A]

On Thu, 03 Nov 2005 19:35:05 GMT, Gord Beaman >
wrote:

>"RST Engineering" > wrote:
>
>>Definitively, in RAH, where he started this post in the first place without
>>spamming it across four newsgroups.
>>
>>Jim
>>
>>
>>
>>> Have you answered him, Jim?
>>
>Poor Jim...he's had a bug crossways up his arse for several years
>that I know of...

Yea, and when Arnold beat him in the California gubernatorial race, it
really sent him over the edge ;-)

[RST Engineering]

Yeah, and when Arnold gets his ass handed to him on a plate in next week's
elections, I'll chuckle that it was my colleagues (teachers, cops, firemen,
public service nurses) that did it.

He who laughs last, laughs loudest.

Jim


>
> Yea, and when Arnold beat him in the California gubernatorial race, it
> really sent him over the edge ;-)
>
>

[Gary G]

With all due respect - I greatly appreciate the help from anyone,
and like to contribute.
But someone to bite my ass because of the way "they" define
the rules of how people use this group - to the contrary of
other people who use the groups - bites my ass.

And - the "all due respect" had to deal with how he responded
in quite an abrupt and self-centered way.
And - maybe - if you realized that I might have checked this
group first, you could "probably" figure out and avoid the flame
contest.

Point taken on checking on other groups. I get a little
defensive when people attach unecessarily.

[Jon A]

On Thu, 3 Nov 2005 20:04:26 -0800, "RST Engineering"
> wrote:

>Yeah, and when Arnold gets his ass handed to him on a plate in next week's
>elections, I'll chuckle that it was my colleagues (teachers, cops, firemen,
>public service nurses) that did it.
>
>He who laughs last, laughs loudest.
>
>Jim

Don't laugh yet Jimbo. Remember you're in California, land of fruits
and nuts.

[RST Engineering]

"Gary G" > wrote in message
...

>
> Point taken on checking on other groups. I get a little
> defensive when people attach unecessarily.

What are they attaching and where are they attaching it to?

Jim

[Gary G]

Hee - I could see how I deserved that . . .

[Michael Houghton]

Howdy!

In article >,
Gary G > wrote:
>Spamming my ass.
>Let's see - help fellow pilots out . . . .ask a qeustion . . .SPAM
>
>DOES NOT COMPUTE!

OK. Let me try to help you out here.

Usenet newsgroups each have a purpose -- a focus for the content that
appears. It is rare for a topic to be genuinely applicable to more than
one or two groups. One "right" group is the norm.

Posting the same thing to a whole bunch of groups (cross posting) is
a sign of either not understanding the above, or of trying to stir
things up by getting people to respond in that same set of newsgroups
leading to a bunch of swirl and fuss and bother.

Posting your question in a bunch of places is what "DOES NOT COMPUTE".

I'll accept a claim that you did it in ignorance of the conventions of
Usenet...

Once.

[gratuitous slap snipped]

yours,
Michael


--
Michael and MJ Houghton | Herveus d'Ormonde and Megan O'Donnelly
| White Wolf and the Phoenix narrowwares
Bowie, MD, USA | http://whitewolfandphoenix.com
Proud member of the SCA Internet Whitewash Squad

[Michael Houghton]

Howdy!

In article >,
Gary G > wrote:
>With all due respect - I greatly appreciate the help from anyone,
>and like to contribute.
>But someone to bite my ass because of the way "they" define
>the rules of how people use this group - to the contrary of
>other people who use the groups - bites my ass.

That was and ass biting? Hardly.

....and Jim was merely applying long-standing conventions on how
Usenet newsgroups are meant to work -- conventions that are most
of two decades old or older. One is expected to become familiar
with them before plunging into posting.
>
>And - the "all due respect" had to deal with how he responded
>in quite an abrupt and self-centered way.

It wasn't self-centered at all, any more than pointing out ill
behavior in other fields of endeavor is self-centered.

>And - maybe - if you realized that I might have checked this
>group first, you could "probably" figure out and avoid the flame
>contest.

Flame contest? Again, hardly. I haven't seen anything that remotely
resembles flammage here.

This being rec.aviation._misc_, one would expect topics to appear
here only if they were not suitable for one of the other groups.
Having found rec.aviation.homebuilt, you should have stopped there.
>
>Point taken on checking on other groups. I get a little
>defensive when people attach unecessarily.

yours,
Michael
--
Michael and MJ Houghton | Herveus d'Ormonde and Megan O'Donnelly
| White Wolf and the Phoenix narrowwares
Bowie, MD, USA | http://whitewolfandphoenix.com
Proud member of the SCA Internet Whitewash Squad