>Hello all, I just received my new Alpha 89 and after using it about 3
>hours it would intermittently attenuate RX signals through the amp, after
>cycling the operate-standby switch it would work fine for a while then do
>the same thing again.
>I called Alpha and they said it was the RX pin diodes caused by a static
>build up on my not DC grounded 80 meter wire. If any one could help me I
>have a few questions...
>
>1-Is this going to be an on going problem?
>2-Do I need to DC ground all of my wire antennas?
A high-ohms DC bleeder resistor might be a good idea. I have 300k-ohms
to gnd on my 80m end fed dipole.
>3-I have time left on my 30 day refund, should I get my money back?
>4-Has anyone else had this problem?
>5-Is using Pin Diode switching reliable?
In the real world, all solid-state parts are sensitive to static.
>
good luck, John
>
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
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