Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Bob -

I don't know what Drake originally supplied, but I would guess it was a piece of (possibly low capacity) microphone cable, which is about half the capacity of RG-58. The manual says the original cable is 20" long, indicating that they were at least somewhat concerned about the shunt capacity. The output is from an emitter follower stage with a source impedance of about 300 ohms, so I wouldn't think it would be that susceptible to shunt capacity. Obviously any signal loss from shunt capacity would become more of a problem at the higher bands as you get up to 40.6 MHz.

Apparently your RG-58 is working, although it is a little stiff compared to mike cable, so I wouldn't worry too much. Any possible problems would probably show as reduced sensitivity on the higher bands, but I doubt you'll see a difference. Just keep the cable as short as possible.

73, Garey - K4OAH
Atlanta

Drake C-Line Service Manual
<http://www.k4oah.com>



Bob Look wrote:

Im using a piece of RG58-U coax cable as my injection cable between my FS4 and SPR4. Is this a good choice? Bad? or don't really matter? What did Drake originally use? Bob Look
W8JHA

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