[ICOM] Heil HMP
Rolly (W7DGX) & Sandra Goodspeed
rollyg at earthlink.net
Tue Sep 6 11:00:18 EDT 2005
Copy the message into word and change the font to "Courier New" or any other
font that is not proportional spacing. It looks a lot better then.
Rolly
----- Original Message -----
From: "Anders Janis SM4RNA" <sm4rna at telia.com>
To: "ICOM Reflector" <icom at mailman.qth.net>
Sent: Tuesday, September 06, 2005 4:07 AM
Subject: Re: [ICOM] Heil HMP
Thank you very much!
Can you dend it direct to me in Word format? Or as a picture? It gets messed
up in the mail program.
sm4rna at telia.com
Thanks,
Anders
----- Original Message -----
From: "Ken, WA2LBI" <wa2lbi at frontiernet.net>
To: <icom at mailman.qth.net>
Sent: Tuesday, September 06, 2005 3:52 AM
Subject: Re: [ICOM] Heil HMP
I know this is crude but here is the diagram of my HMP mic preamp. I just
finished it; I believe it is correct. Use a fixed font like Courier. I
have
this in a plain text file that I can send as an attachment if desired.
Heil HMP Microphone Preamplifier
Microphone socket (to mic) Icom mic plug (to
radio)
|------------------------o-----< Pin
2
8V (green)
1.0K |
| |
Ferrite bead | + 4.7µF Tantalum |
| .1µF D------o-----||-----------------|--[]-< Pin
1
Mic hi (white)
Pin 1 >--[]-o---||---o---G (MPF102) | |
| | S-----o-----||------o | Ferrite
bead
.001uf = | | + 4.7uf | |
| | | Tantalum | .001uf =
| 2.2M 1.0K | |
| | | | |
Pin 7 >--|________|___________|_____________|___________|------<
Pin 7
Mic lo (shield)
| Ground
Pin 6 >--|
Pin 5 >--------------------------------------------------------<
Pin 5
PTT (red)
73,
Ken
Quoting Anders Janis SM4RNA <sm4rna at telia.com>:
> I have received several requests of the reflector to pass along a schmatic
> if
> I receive one. Seems that its a hard to find item.
>
> /Anders
>
>
> ----- Original Message -----
> From: "Randall M. Payne" <payner1 at earthlink.net>
> To: "ICOM Reflector" <icom at mailman.qth.net>
> Sent: Monday, September 05, 2005 9:38 PM
> Subject: Re: [ICOM] Heil HMP
>
>
> > If possible, I'd like a copy also
> > Thanks in advance.
> > 73,
> > Randy K4EZM
> >
> > Anders Janis SM4RNA wrote:
> > > Anyone that can send me a schematic of the discontinued Heil HMP mic
> preamplifier?
> > > /Anders
----
Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
Icom Users Net: Sundays, 1700Z, 14.316 MHz
Icom FAQ: http://www.qsl.net/icom/
----
Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
Icom Users Net: Sundays, 1700Z, 14.316 MHz
Icom FAQ: http://www.qsl.net/icom/
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