[Amps] M57762 multiple hybrids for 1296 MHz?
George
K4GVT at comcast.net
Wed Mar 18 04:33:07 PDT 2009
Hello Petter, the easiest way is to use Wireline to create two (one for
input, one for output) 180 degree phase shift transformers.
This is what is done in the DEMI 1296 amplifiers. the links below are
for the 60W and 120W 1296 amplifiers using this principal.
I have made these transformers with excellent results.
http://www.downeastmicrowave.com/PDF/2360pa.pdf
http://www.downeastmicrowave.com/PDF/23120pa.pdf
Here is a link to SAGE cable were you can purchase the wireline needed
to make the phase shift transformers.
http://www.filss.com/comp/hybrids_couplers/Wireline%20Rev042806.pdf
Regards,
George, K4GVT
Gärdin Petter wrote:
>
> Hi everyone.
> Does anyone have or know of a design with multiple hybrids M57762 for 1296 MHz.
> My aim is >100W output.
>
> 73 de SM3PXO Petter
>
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