[Elecraft] New 30A power supply on Elecraft order form
Ross Primrose
n4rp at n4rp.com
Wed Apr 15 11:53:13 EDT 2015
He was talking about his 3.4GHz amps being designed for 12V....
73, Ross N4RP
On 4/15/2015 11:37 AM, Wayne Burdick wrote:
> On Apr 15, 2015, at 7:48 AM, Edward R Cole <kl7uw at acsalaska.net> wrote:
>
>> One question is how low voltage can be adjusted. Amps are designed for 12.0 volts.
> Ed,
>
> All Elecraft 100-W amplifiers are designed for optimal performance at about 14 V (as measured at the DC jack on key-down). This includes the K3's and K2's internal 100-W amps as well as the KXPA100. They will certainly run from lower voltages -- down to about 10.5 to 11 V -- but for home use, we recommend setting the DC supply to 14.0-14.2 V. They'll run from as high as 15 V, though again, around 14 V optimizes power output, IMD levels, and efficiency.
>
> 73,
> Wayne
> N6KR
>
>
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--
FCC Section 97.313(a) “At all times, an amateur station must use the minimum transmitter power necessary to carry out the desired communications.”
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