Swr protection for Power amp ics

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pigkiller

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hi all
anybody could give me valuable advice on this topic?
as you know,load mismath is a big problem in PA design.Valuable materials will be appreciated.
 

ther are two method for VSWR protection:
1. meaasure it and use a feed back to reduce forward power of PA (Limit reflected power to a known and safe value.)
2. use isolator (circulator+load) at output of the chip, currently low cost high volume drop-in isolators for low power applications and in standard bands are available.
for example see temex catalog.

BEST!
 

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