[Amps] push pull or parallel ?

[Carl]

You can use a stub in the coax to get an easy 20-25dB additional second 
harmonic reduction. A lot less hassle in a mono band or just put a stub in 
individual antenna leads.

Carl
KM1H



--------------------------------------------------
From: "Carel, pc5m" <pc5m at xs4all.nl>
Sent: Monday, January 26, 2015 10:41 AM
To: <amps at contesting.com>
Subject: [Amps] push pull or parallel ?

> Hi,
>
> 160mtrs contest past and we need more power...  Plan is to add 3 dB by
> throwing in another tube  (2.5kw anode dissipation Tetrode, grid driven).
> I could go for push-pull of just parallel the tube's. I think push-pull
> would be nice to get less even harmonics, but seems to be a big hassle and
> just put the tube's in parallel is much easier. Or am I missing something 
> ?
>
> 73's Carel, pc5m
>
>
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