[Elecraft] KPA1500 vs SPE Amps

[Bob McGraw K4TAX]

I'd be interested in the IMD figures with this configuration.

Are the amps being driven hard wire / parallel at the inputs or from a 
power divider?   And how are the outputs summed?  Power divider?   How 
much loss is in the output summing network?   And is it broadband 160M - 
6M?

Another thought is to use a broadband balun and drive the amps in 
push-pull.   Both input and output likewise.   Hummmm...... I'll have to 
think about that.

All interesting questions.

73

Bob, K4TAX



> Yes you can.  I have been doing this for the last 3 years.
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> Ken K6MR
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