[Amps] Ameritron AL-1500 inquiry

Larry Benko xxw0qe at comcast.net
Thu Jan 24 21:02:09 EST 2013


Jim,

Look at TE Connectivity (Schrack) RT31C0xx which has the same footprint 
with bifurcated contacts.  This will fix the intermittent RX issues.  I 
have a web page with the datasheet at 
http://www.w0qe.com/Technical_Topics/small_signal_relays_at_rf.html

73,
Larry, W0QE
On 1/24/2013 8:48 AM, Jim Monahan wrote:
> I have a later version of this amp that uses two Schrack sealed T/R relays
> (1 - RTD14012F SPDT 16A and 1 - RTE24012F DPDT 8A both 12VDC) for
> antenna switching mounted on a small board.
>
> The manual shows the earlier version with the open frame 3PDT relay.
>
> I use this amp occasionally and has had the problem of intermittent receive.
> The relays have already been replaced once to solve the problem but it
> has returned.
>
> Does anyone have a mod or suggestion on how to solve this issue?
>
> I have considered the W7RY QSK mod but I don't use QSK.
>
> Thanks in advance.
>
> Jim, K1PX
>
> K1PX at msn.com
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