CC1190: Power Down

Velay Patrick

Part Number: CC1190
Other Parts Discussed in Thread: CC1200

Hi,

I am using the cc1190 + cc1200 in 868MHz.

With the same PCB I want to do 920MHz with a level around + 3dBm. I'm just changing the BOM.

If the CC1190 is in Power Down, can I get the Tx level of the CC1200 on output?

Thanks.

0 TER over 3 years ago

No, CC1190 has not a feed-through switch, in power down the C1190 will attenuate any signal on the input by ~30 dB.

0 Velay Patrick over 3 years ago in reply to TER

Thank you for your quick reply.

And how I can attenuate the PA without degrading the Rx.
Maybe change the value (or remove it) of the input resistance of VDD_PA2?

An idea?

0 TER over 3 years ago in reply to Velay Patrick

Please refer to how this is done on the CC1310-CC1190 Launchpad.

0 Velay Patrick over 3 years ago in reply to TER

Ok, no other solution than to change the routing and add an attenuator before PA_IN.

Thanks

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