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LA-1K Frequency display


 

Just received my new LA-1K. Love the AMP.? Just wondering if anyone else has
a problem with the AMP frequency display not displaying the same frequency as the
transceiver? Not a big deal but thought I would ask this new group. I figure there is a
way to adjust that buy don't want to open up the amp.

Hayes Copeland


Gene Caldwell
 

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Mine is pretty much spot on.? It might vary a hz or so but that’s ?about all.

?

From: [email protected] [mailto:[email protected]] On Behalf Of hcope@...
Sent: Wednesday, April 11, 2018 12:51 PM
To: [email protected]
Subject: [la1k] LA-1K Frequency display

?

Just received my new LA-1K. Love the AMP.? Just wondering if anyone else has
a problem with the AMP frequency display not displaying the same frequency as the
transceiver? Not a big deal but thought I would ask this new group. I figure there is a
way to adjust that buy don't want to open up the amp.

Hayes Copeland


Virus-free.


 

Mark in Palstar Engineering is submitting this response:

"The LA-1K's readout may be different than the radio display frequency because:

Radios show the "carrier" frequency in USB or LSB. On side band, the carrier is not transmitted, so only the upper or lower side band frequencies will be present.

These will be higher on USB and lower on LSB than the "carrier" frequency.

Example:

If you transmit a 1kHz tone on USB (radio at 14.250), the output will be 14.251

14.250 + .001 (upper side band) = 14.251

on LSB it would be 14.249.

Transmitting in AM should show the actual carrier frequency.