User's Manual

TRF7970A

SLOS743K –AUGUST 2011–REVISED APRIL 2014

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2 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision J (February 2014) to Revision K Page

• Changed

Figure 1-1 to show 127-byte FIFO...................................................................................... 2

• Moved Section 3 ...................................................................................................................... 5

• Changed title of Section 4 .......................................................................................................... 6

• Changed title of Section 5 ........................................................................................................... 9

• Added ASK/OOK and MOD to V

and V

........................................................................................ 9

• Moved Section 5.3 .................................................................................................................. 10

• Changed V

DD_A

TYP value from 3.5 V to 3.4 V ................................................................................. 10

• Moved Section 5.4 .................................................................................................................. 11

• Added V

(ESD)

MIN values, test specifications, and notes....................................................................... 11

• Changed title of Section 5.5 from Dissipation Ratings to Thermal Characteristics ......................................... 11

• Moved Section 5.6 .................................................................................................................. 11

• Changed title of Section 6.......................................................................................................... 12

• Moved previous Section 3, Device Overview, to Section 6.1.................................................................. 12

• Changed from "By default, the AGC is frozen after..." to "By default, the AGC window comparator is set after..." ... 21

• Changed from "TX Pulse Length Control register (0x05)" to "TX Pulse Length Control register (0x06)" ............... 28

• Changed from "18.8 s" to "18.8 µs" in the sentence that starts with "If the register contains all zeros..."............... 28

• Changed Table 6-18 to match Table 6-43 ....................................................................................... 50

• Changed command 0x18 to "Test internal RF" ................................................................................. 51

• Changed command 0x19 to "Test external RF" ................................................................................ 51

• Moved Section 6.14................................................................................................................. 55

• Changed the sentence that starts "The AGC action is fast..." from "finishes after four subcarrier pulses" to

"finishes within eight subcarrier pulses"

......................................................................................... 64

• Moved Section 7..................................................................................................................... 75

• Deleted previous Section 10, System Design, and moved contents to Section 7.3 through Section 7.5 ............... 77

• Removed references to figure numbers in Figure 7-3.......................................................................... 78

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