[Heathkit] SB-610

[David C. Hallam]

If you don't have RG-62, RG-6 makes good low capacitance substitute.

David
KW4DH

On 6/10/2012 4:41 PM, k2cby wrote:
> RG-62/U (not RG-602, which I think is a typo) has vastly lower capacitance
> per foot than RG-58,
> RG-59 or RG-174 and should definitely be used between the SB-610 or SB-620
> and the
> receiver whose IF is Being tapped. (If you have ever busted a scope probe
> that cable can be
> used as well.) Also, the shorter the better. This will also minimize the
> size of the series capacitor
> coupling into the receiver, which should be on the order of 5 pF or less for
> an IF of 3 MHz and
>
> somewhere around 12-15 pF for 455 KHz to 1.5 MHz IFs.
>
>
>
> Miles B. Anderson, K2CBY
> 16 Round Pond Lane
> Sag Harbor, NY 11963
> Tel.: (631) 725-4400
>
> Fax.: (631) 725-2223
> e-mail: k2cby at optonline.net
>
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