[Amps] MOSFET amp for 80 m

[Bill Turner]

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On Tue, 17 Jul 2018 16:29:56 +0200, HB9SLV wrote:

>
>I found a MOSFET amp description that does not need an output 
>transformer. The author says that the output impedance of the 
>transistors is 48 Ohms and that a balun is enough.
>How can this amplifier have such a high output impedance?

REPLY:

Somebody is confusing the output impedance of the amplifier with the
load impedance. The output impedance of the amp should be very small,
close to zero and the load impedance around 50 ohms. 

73, Bill W6WRT