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參數(shù)資料
| 型號(hào)： | RF2958TR13 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | 2.4GHz SPREAD-SPECTRUM TRANSCEIVER |
| 中文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC32 |
| 封裝： | 5 X 5 MM, QFN-32 |
| 文件頁數(shù)： | 15/20頁 |
| 文件大小： | 235K |
| 代理商： | RF2958TR13 |
11-277
RF2958
Rev A0 050209
RF PLL Register 7 (RFPLL4)-Address 00111
Location
RFPLL4(17)
RFPLL4(16:8)
Calibration Register 8 (CAL1)-Address 01000
Location
CAL1(17:13)
TXRX Register 9 (TXRX1)-Address 01001
Location
TXRX1(17)
Bit Name
Reserved
DN(8:0)
Default
0
145 h
Function
Reserved, program to zero (0)
RF VCO KV Calibration, delta N value (signed 2’s complement)
DN=(deltaF/Fr)*256
RF VCO Coarse Tuning Value
RF VCO KV Calibration, default value
RFPLL4(7:4)
RFPLL4(3:0)
CT_DEF(3:0)
KV_DEF(3:0)
7h
8h
Bit Name
TVCO(4:0)
Default
0Fh
Function
VCO1 Warm-up Time
TVCO1=(approximate warm-up time)x(Fr/32)
VCO1 Tuning Gain Calibration, approximate lock time
TLOCK1=(approximate lock time)x(Fr/128)
VCO1 Coarse Tune Calibration Reference clock averaging time
M_CT_VALUE=(averaging time)x(Fr/32)
Lock Detect Resolution 0 through 7
CAL1(12:8)
TLOCK(4:0)
07h
CAL1(7:3)
M_CT_VALUE
(4:0)
LD_WINDOW
(2:0)
08h
CAL1(2:0)
2h
Bit Name
RXDCFBBYPS
Default
0
Function
Receiver DC Removal Loop
0=Enable DC Removal Loop
1=Disable DC Removal Loop
00
External TXVGC Controls VGA
01
External TXVGC Controls VGA
10
Internal Control of VGA from Register TXVGC(4:0)
11
Internal Control of VGA from Power Control
Transmit Variable Gain Select
0h-1Fh
High gain to low gain
Receive Baseband Low Pass Filter Bandwidth Selection
000=Wide Bandwidth
111=Narrow Bandwidth
Transmit Baseband Low Pass Filter Bandwidth Selection
000=Wide Bandwidth
111=Narrow Bandwidth
Switches Between Single-Ended and Differential Mode
0=Single-ended mode
1=Differential mode
Input Buffer Enable TX
0=Input Buffer Controlled by TXEN
1=Input Buffer Controlled by BBEN
Internal Bias Enable
0=Disabled - External Bias Required
1=Enabled - Internal Bias Enabled
TX Baseband Filters Bypass
0=Not Bypassed
1=Bypassed
TXRX1(16:15)
PCONTROL
(1:0)
00
TXRX1(14:10)
TXVGC(4:0)
00000
TXRX1(9:7)
RXLPFBW
(2:0)
010
TXRX1(6:4)
TXLPFBW
(2:0)
010
TXRX1(3)
TXDIFFMODE
0
TXRX1(2)
TXENMODE
0
TXRX1(1)
INTBIASEN
0
TXRX1(0)
TXBYPASS
0
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