[Elecraft] KPA 500 Power Amp.

Bob McGraw K4TAX rmcgraw at benlomand.net
Wed Dec 25 16:12:54 EST 2024


At one time I was allowed to run 1KW DC input to my Class C AM transmitter.  At 70% efficiency I had 700 watts of carrier modulated to 100% for an output of 2800 watts PEP.  Now who got screwed with the 1500 watt PEP limits?  

Let’s not whine about your 1500 watts and 12 dB antenna. 

73
Bob, K4TAX

Sent from my iPhone

> On Dec 25, 2024, at 2:52 PM, jerry <jerry at tr2.com> wrote:
> 
> On 2024-12-25 12:20, Rick NK7I wrote:
> 
>> I clearly have little patience for QRP, life is too short for that;
>> loud is less aggravating.
> 
> *** Amen to that Rick.  I just got my homebrew kilowatt on the air - that is, homebrew SDR transceiver
> driving homebrew LDMOS linear.  Life's too short for 20W.
> 
>                    - Jerry, KF6VB



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