From: Eric Webner 
Subject: Re: [drakelist] R4C xtal bank bad


Eric Webner  made an utterence to the drakelist gang
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Garey,
 
Yes, it is a T-4XC. 
 
Eric


Garey Barrell  wrote:
Eric -

A pot is easier, then put in the nearest standard value. You can use 5% 
carbon film resistors which are usually MUCH more accurate than that, 
selecting one from a group if available and necessary. Again, the 
meter is no precision device, but it is pretty repeatable at a single point.

I have a little test box with a 10 turn pot and Bourns 10 turn counter 
dial so I can set it and read the resistance right off the dial. Most 
are in the 100 - 300 ohm range.

Just to be sure, we are talking about a T-4XC, correct.? There have 
been several transmitter threads lately! :-) The reason I'm asking is 
the T-4XB used a 2.7 ohm resistor.

73, Garey - K4OAH
Atlanta

Drake C-Line Service Manual




Eric Webner wrote:

> Garey,
> 
> I feel that I've got a good handle on this radio, and thank you for 
> your support. Once I get a 3.3 ohm resistor in there, however, and 
> assuming the meter series resistor no longer sets up an accurate 100 
> ma reading, is there a way to calculate the proper resistance, or is 
> it just easier to wire in a pot temporarily to figure out the correct 
> value?
> 
> 73,
> 
> Eric KA8FAN
>
> *//*
>
> 


		
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Garey,
 
Yes, it is a T-4XC. 
 
Eric
Garey Barrell
<k4oah{at}mindspring.com> wrote:
Eric -A
pot is easier, then put in the nearest standard value. You can use 5%
carbon film resistors which are usually MUCH more accurate than
that, selecting one from a group if available and necessary.
Again, the meter is no precision device, but it is pretty
repeatable at a single point.I have a little test box
with a 10 turn pot and Bourns 10 turn counter dial so I can set
it and read the resistance right off the dial. Most are in the
100 - 300 ohm range.Just to be sure, we are talking
about a T-4XC, correct.? There have been several transmitter
threads lately! :-) The reason I'm asking is the T-4XB used a 2.7
ohm resistor.73, Garey -
K4OAHAtlantaDrake C-Line Service
Manual<HTTP: R-4C_Servicez hr99.home.mindspring.com
/>Eric Webner
wrote:> Garey,>
> I feel t!
hat I've
 got a good handle on this radio, and thank you for > your
support. Once I get a 3.3 ohm resistor in there, however, and
> assuming the meter series resistor no longer sets up an
accurate 100 > ma reading, is there a way to calculate the
proper resistance, or is > it just easier to wire in a pot
temporarily to figure out the correct >
value?> > 73,>
> Eric KA8FAN>>
*//*>> <HTTP:
evt="30648/*http://movies.yahoo.com/movies/feature/jibjabinaugural.html"
us.rd.yahoo.com>
		Do you Yahoo!? 
The all-new" target="new">all-new">http://my.yahoo.com">all-new My
Yahoo! – What will yours do?
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