[Test-Equipment] Waveguide question

[Scott Schappert]

G'day to the list.

This may be slightly of-topic, but I have a question about coupling an
RF amplifier to a waveguide transition:

I have an 8-12 GHz solid state source to an 8-12 GHz wideband, solid
state 1 W amplifier.  I want to launch the RF directly from the output
of the amplifier to a WR90 waveguide transition.  All connections on
instruments are 50 Ohm "N" type connectors.

I am concerned for the amplifier because the Z-zero is 50 Ohms output
into the infinite Z-zero of the waveguide.  I have used other amplifiers
where the output is directly coupled to a waveguide flange, but never
tried it on my own.  I do not want to damage my amplifier from mis-match
on the output.

I would be very grateful to hear from someone who might be able to let
me know how to approach this situation intelligently. 

Best regards to all,

-Scott


 



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