[Lowfer] Re: 600MRG> Need drawing for RF keying stage...

ak0b [email protected]
Mon, 04 Feb 2002 07:24:45 -0600


The problem with relays is they have a useful life measure in times
activated.   I used them to key a beacon and after about 120,000 times they
fail.  I had to go to a transistor switch.  When used for keying it does not
take long to get over 100,000.

de Stan ak0b



----- Original Message -----
From: "Bob Roehrig" <[email protected]>
To: "WE0H" <[email protected]>
Cc: <[email protected]>; "SHMRG Reflector"
<[email protected]>
Sent: Sunday, February 03, 2002 9:45 AM
Subject: Re: 600MRG> Need drawing for RF keying stage...


>
> I just use a reed relay in series with the output of the RF synthesizer.
>
>                     73        Bob Roehrig        K9EUI
>                     Aurora University Telecom/IS dept.
>                     630-844-4898   [email protected]
>
>