CC1125: A question about block diagram

Yi Sun

Part Number: CC1125

Hi, I am an FAE Intern and I want to ask a question about the block diagram.

As said, if CC1125 didn't use any IQ signals and upconverting mixers, why there was an I and a Q in the functional block diagram?

Thanks!

over 3 years ago

0 TheGhostOf over 3 years ago

Mastermind 6960 points

Due to the difference in how RX and TX is designed. For tx, what you wrote is correct. For RX, the received signal is downmixed and I and Q paths are used.

0 Yi Sun over 3 years ago in reply to TheGhostOf

TI__Prodigy 60 points

Thanks!

And for RX, did it use IQ signals as the picture below?

+1 Haiatullah Gholami over 3 years ago in reply to Yi Sun

TI__Expert 3890 points

Hi,

Yes, the CC1125 uses IQ signals similar to the picture that you uploaded.

Regards,

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CC1125: A question about block diagram