Author Topic: HF upconverter circuit question  (Read 547 times)

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Offline promachTopic starter

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HF upconverter circuit question
« on: August 12, 2019, 04:14:08 pm »
What are the purposes of {L5, R5} , {C10, C11} , {R2, R4} in this HF upconverter circuit ?

 

Offline iMo

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Re: HF upconverter circuit question
« Reply #1 on: August 12, 2019, 05:36:16 pm »
Such a mixer works best when it sees 50+0j ohm impedance on all its ports. The parts are there most probably to create a suitable impedance matching..
Readers discretion is advised..
 


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