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HMC1122 issue

Question asked by ProNick on Sep 13, 2016
Latest reply on Sep 22, 2016 by ProNick


this is the block diagram of HMC1122, when I was testing this IC using multimeter 

I found that:

1. pin 5 and pin 6 are connected with package base GND.

2. pin 7,8 to pin 12 are connected together with pin 6 and pin 13 in DC.

3. pin 7,8 to pin 12 are NOT connected with package base in DC.


Is that normal or I have bought some fake IC?


Look forward for your reply,thank you.