SB401 QUESTION

[John Campbell]

Hi Dan and Group

   I don't have my manuals here at the office, but I seem to remember
making that trap removal mod on my SB-401. It was done to allow the
SB-401 to be used in transceive mode with a companion SB-303 receiver.
If you plan on mating that transmitter with a companion Heath receiver,
there shouldn't be any problem leaving the trap out of the circuit. If
you intend to run the transmitter "stand-alone" then you might want to
consider reinstalling the trap.

                       73...John     w8jnc


>Date:         Sun, 7 Mar 1999 12:26:13 EST
>Reply-To:     OTAKEBI at AOL.COM
>From:         Dan Pividal N4VET <OTAKEBI at AOL.COM>
>Subject:      SB401 QUESTION
>To:           HEATH at LISTSERV.TEMPE.GOV
>
>I have a HeathKit 401 transmitter that I am restoring.
>On the MIXER-BANDPASS BOARD I should have a 21MHz. trap.
>The trap and a related capacitor is missing but the transmitter seems
to be
>working fine.
>Does anyone know what the trap was for and why would the previous
owner, who
>is now a "Silent Key", would have removed it.
>Also, if I need to put the trap back in where would I begin to look for
it? My
>manual says it was pre-set at the factory and seems to be a Heath part.
>Looks like it's going to be hard to find.
>Thanks,
>Dan N4VET
>E-MAIL ADDRESS Otakebi at aol.com
>
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