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TRF2443IPFPR Datasheet(PDF) 45 Page - Texas Instruments

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Part # TRF2443IPFPR
Description  Integrated IF Transceiver for Broadband Wireless Applications
PDF  72 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TRF2443IPFPR Datasheet(HTML) 45 Page - Texas Instruments

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TRF2443
www.ti.com ................................................................................................................................... SLWS217A – SEPTEMBER 2009 – REVISED SEPTEMBER 2009
SPI3 Register 3
TX shut-down
Register address
SPI address
Reserved
RSV
TXBIAS
TX VATT bias control
Time const
Bit0
Bit1
Bit2
Bit3
Bit4
Bit5
Bit6
Bit7
Bit8
Bit9
Bit10
Bit11
Bit12
Bit13
Bit14
Bit15
TXLO IQ
TX mixer bias
EN TXBB
TX input dc-offset control: Q channel
TX input dc-offset control: I channel
FLIP
control
bias
Bit16
Bit17
Bit18
Bit19
Bit20
Bit21
Bit22
Bit23
Bit24
Bit25
Bit26
Bit27
Bit28
Bit29
Bit30
Bit31
REGISTER
POWER-ON
SUGGESTED
NAME
DESCRIPTION
3
VALUE
VALUE
Bit0
ADDR_0
1
1
Register address bits
Bit1
ADDR_1
1
1
Bit2
ADDR_2
0
0
Bit3
ADDR_3
1
1
SPI address bits
Bit4
ADDR_4
1
1
Bit5
RSV
0
0
Reserved
Bit6
RSV
0
0
Reserved
Bit7
RSV
0
0
Reserved
Bit8
RSV
0
0
Reserved
Bit9
PS_TC_0
0
App. specific
TX power-shutdown time constant: 00 = 28
µs; 01 = 42 µs; 10 = 57
µs; 11 = 75 µs
Bit10
PS_TC_1
0
App. specific
Bit11
RSV
1
1
Reserved
Bit12
TXBETABIAS
0
0
TXAMP bias control (0 = low; 1 = high)
Bit13
TXATTBIAS_0
0
0
TX variable attenuator bias current control
Bit14
TXATTBIAS_1
0
0
Bit15
TXATTBIAS_2
1
1
Bit16
TX_IQ_SEL
0
0
Flip TX I with Q side
Bit17
TXMIXBIAS_0
0
0
TX mixer bias control
Bit18
TXMIXBIAS_1
1
1
Bit19
TXBBQ_0
0
0
TX input baseband dc offset control: Q channel
See the application note (SLWU064) for optimum dc-offset control
Bit20
TXBBQ_1
0
0
setting.
Bit21
TXBBQ_2
0
0
Bit22
TXBBQ_3
0
0
Bit23
TXBBQ_4
0
0
Bit24
TXBBQ_5
1
1
Bit25
TXBBI_0
0
0
TX input baseband dc-offset control: I channel
See the application note (SLWU064) for optimum dc-offset control
Bit26
TXBBI_1
0
0
setting.
Bit27
TXBBI_2
0
0
Bit28
TXBBI_3
0
0
Bit29
TXBBI_4
0
0
Bit30
TXBBI_5
1
1
Bit31
EN_TXCM
0
0
Enable external TX baseband common-mode generation (0 =
internal common-mode voltage generation; 1 = external
common-mode voltage generation)
Copyright © 2009, Texas Instruments Incorporated
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Product Folder Link(s): TRF2443



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