From: Garey Barrell 
Subject: Re: [drakelist] R4C xtal bank bad


Garey Barrell  made an utterence to the drakelist gang
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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
http://hr99.home.mindspring.com/R-4C_Servicez/>



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
>
> *//*
>
>
http://us.rd.yahoo.com/evt=30648/*http://movies.yahoo.com/movies/feature/jibjabinaugural.html>

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