"Sindre Torp" <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Hi all,
I don't have any schematics for the the RP500 or RP700.
But I opened a sealed box with a RP700 today. No schematic inside, so
therefor I opened the RP700 !
There's a small printed circuit board with 2 ceramic disk capacitors, 1 coil
with 5-6 turns, 6 diodes of the same kind and 2 other very small diodes
(most likely).
There's no gas discharge surge protector.
73,
Sindre, LA6OP
----- Original Message -----
From: "Garey Barrell" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, June 21, 2005 10:39 PM
Subject: Re: [drakelist] Receiver protector schematic needed.
Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
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Craig -
I've never actually seen one of these, but I suspect that it may be
nothing more than a gas discharge surge protector in a box with a couple
of connectors on it. These were added to the TR-7 after a while, and
probably the R-7 as well.
The one used in the TR-7 was a CG90L, available from Mouser for about
$4. These have <1 pF capacitance so wouldn't have any effect on an
HF/VHF receiver.
If you get any "real" information, I'd be interested in it!
73, Garey - K4OAH
Atlanta
Drake C-Line Service Manual
<http://hr99.home.mindspring.com/R-4C_Servicez/>
Craig Roberts wrote:
Craig Roberts <[EMAIL PROTECTED]> made an utterance to the drakelist
gang
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I am looking for the schematic for a Drake RP-500 or RP-700 receiver
protector, please.
Many thanks and 73,
Craug
W3CRR
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On Behalf of "Sindre Torp" <[EMAIL PROTECTED]>
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