Say Rob.
Ye olde ancient stuff Motorola probably never gave the data
on the web since it was presumed DOA .
M. H.
----- Original Message -----
From: "Rob" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Friday, January 07, 2005 10:31 AM
Subject: [Repeater-Builder] Re: Motorola microphone schematic
>
>
> Well the specific one is from a CDM750 but I think most operate in
> the same basic manner. It isn't so much an exact schematic I need but
> a basic operation diagram. Motorola supplies about +5V on the mic
> line and the mic element is also connected throgh the PTT switch
> somehow.
> What I am trying to figure out is if I can use a mic amp to boost the
> gain for an autopatch.
> It is almost looking like I may have to custom build an amp out of a
> FET or something like an other responder did.
>
> As to the TU-154, all I get is hits for an old Russian airliner.
> Thanks -Rob-
>
> --- In [email protected], Neil McKie <[EMAIL PROTECTED]>
> wrote:
>>
>> Not a problem, if you can remember which radio you had it
>> connected to when you installed it, I probably have the manual
>>
>> Was that a FMTRU-5V ?
>>
>> Neil
>>
>>
>>
>> Mark Holman wrote:
>> >
>> > type in TU-154 for Motorola, an old remote head with a amplified
> mic.older
>> > than dirt 1964 I think.
>> >
>> > I had one or 2 my dad gave me no radio though :-(
>> >
>> > M. H.
>> >
>> > ----- Original Message -----
>> > From: "Rob" <[EMAIL PROTECTED]>
>> > To: <[email protected]>
>> > Sent: Wednesday, January 05, 2005 1:15 AM
>> > Subject: [Repeater-Builder] Motorola microphone schematic
>> >
>> > >
>> > >
>> > > Anyone know if the schematic for an amplified Motorola Mic is
>> > > available on the net?
>> > > Still trying to get this autopatch going and having some real
> level
>> > > issues. My patch just doesn't have enough drive for the radio.
>> > > TIA -Rob-
>> > >
>> > >
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>> > >
>> > > Yahoo! Groups Links
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>> >
>> > Yahoo! Groups Links
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>> >
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> Yahoo! Groups Links
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