RF63W datasheet(83/91 Pages) HOPE

83 / 91 page

ADVANCED COMMUNICATIONS & SENSING

Page 83 of 91

RF63

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Pout over the Frequency Band

12.00

4.0

10.00

2.0

8.00

0.0

6.00

-2.0

4.00

-4.0

2.00

-6.0

0.00

-8.0

902

904

906

908

910

912

914

916

918

920

922

924

926

928

Fre que ncy [MHz]

Pout

SAW Ripple

Notes:

Figure 73: Pout for 915 MHz Band Operation

•

As noted in section 7.5.4, the 869 MHz SAW filter does not cover the whole European 863

— 870 MHz

frequency band when used in a 50 ohms environment. Hence the output power degradation at the lowest

frequencies. For applications in the 863

— 870 MHz band it is recommended that an appropriate SAW filter be

implemented or that the SAW response tuned by external matching.

•

The SAW filter ripple references are the insertion loss of each SAW at 869 MHz and 915 MHz.

7.6.8. Pout and IDD vs. PA Setting

12.0

Pout & IDD vs. TXParam_Pout Setting

28.00

8.0

26.00

24.00

4.0

22.00

0.0

20.00

18.00

-4.0

16.00

-8.0

14.00

12.00

-12.0

TXPa ram_Pout [d]

10.00

Pout

IDD

Figure 74: Pout and IDD at all PA Settings, 869 MHz

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