Re: 75 And 50 Ohm Connectors In Same Listening Chain ?

Dot wrote:
On Sat, 25 Feb 2006 21:39:58 GMT, Cecil Moore <mycall@xxxxxxxx> wrote:

Simply forget about that worry. PL-259s are not 50 ohms.
That's why they are not used at VHF/UHF.

Looked at the back of a 2 meter rig lately?

I used to have a Motorola UHF (450 MHz) ex-taxicab radio. It used UHF (PL-259/SO-239) connectors.

At very high frequencies where the impedance discontinuity might become noticeable, the resulting reactance can usually be compensated for by slight readjustment of matching networks which are usually present anyway.

UHF connectors are poor for a number of mechanical reasons, but the impedance discontinuity is seldom a problem.

Roy Lewallen, W7EL
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