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參數(shù)資料
| 型號(hào)： | MAX2306 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | CDMA IF VGAs and I/Q Demodulators with VCO and Synthesizer |
| 中文描述： | CDMA IF VGA及I/Q解調(diào)器，帶有VCO及合成器 |
| 文件頁數(shù)： | 16/20頁 |
| 文件大?。?/td> | 295K |
| 代理商： | MAX2306 |
M
CDMA IF VGAs and I/Q Demodulators
with VCO and Synthesizer
16
______________________________________________________________________________________
MSB
DATA
CLK
*SB
*START BIT MUST BE LOGIC HIGH.
LSB
EN
RISE AND FALL REQUIRED PRIOR TO EN GOING LOW.
Figure 6. 3-Wire Interface Timing Diagram
Table 4. Control Register, Default State: 0B57
h,
Address: 110
b
SB
STBY
Logic
“
0
”
enables standby mode, which shuts down the VGA and
demodulator stages, leaving the VCO locked and the registers
active.
1
FT
FM_TYPE
Active in FM mode. Logic
“
0
”
selects quadrature demodulator for
FM mode. Logic
“
1
”
selects downconversion to I port.
1
0
3
SD
SHDN
Logic
“
0
”
enables register-based shutdown. This mode shuts down
everything except the M and R latches and the serial bus.
1
0
IS
IN_SEL
Logic
“
0
”
selects FM input port. Logic
“
1
”
selects CDMA input.
1
2
BE
BUFEN
Logic
“
1
”
disables LOOUT. Logic
“
0
”
enables LOOUT.
1
4
VS
VCO_SEL
Logic
“
1
”
selects VCO_H. Logic
“
0
”
selects VCO_L.
1
DS
DIV_SEL
Logic
“
1
”
selects M1/R1 divide ratios. Logic
“
0
”
selects M2/R2.
6
1
8
BD
Logic
“
1
”
selects divide-by-2 on LOOUT port. Logic
“
0
”
bypasses
divider.
0
5
VB
VCO_BYP
Logic
“
1
”
bypasses the VCO inputs for external VCO operation.
0
7
TE
TEST_ENABLE
Must be 0 for normal operation.
0
10
TC
TURBO_CHARGE
Logic
“
1
”
activates turbocharge mode, which provides rapid fre-
quency acquisition in the PLL.
1
9
POL
CP_POL
Logic
“
1
”
causes the charge-pump output CP_OUT to source cur-
rent when f
REF
/R > f
VCO
/M. This state is used when the VCO tune
polarity is such that increasing voltage produces increasing fre-
quency. Logic
“
0
”
causes CP_OUT to source current when f
VCO
/M
> f
REF
/R. This state is used when increasing tune voltage causes
the VCO frequency to decrease.
1
11
BIT NAME
FUNCTION
BIT ID
TM
TEST_MODE
Must be 0 for normal operation.
0
12
BIT
LOCATION
0 = LSB
POWER-
UP
STATE
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX2306EGI | 功能描述:調(diào)節(jié)器/解調(diào)器 CDMA If VGAs & I/Q Demodulator w/VCO RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel |
| MAX2306EGI-T | 功能描述:調(diào)節(jié)器/解調(diào)器 CDMA If VGAs & I/Q Demodulator w/VCO RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel |
| MAX2306ETI+ | 功能描述:調(diào)節(jié)器/解調(diào)器 CDMA If VGAs & I/Q Demodulator w/VCO RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel |
| MAX2306ETI+T | 功能描述:調(diào)節(jié)器/解調(diào)器 CDMA If VGAs & I/Q Demodulator w/VCO RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel |
| MAX2306EVKIT | 功能描述:射頻開發(fā)工具 MAX2306/8/9 Eval Kit RoHS:否 制造商:Taiyo Yuden 產(chǎn)品:Wireless Modules 類型:Wireless Audio 工具用于評估:WYSAAVDX7 頻率: 工作電源電壓:3.4 V to 5.5 V |
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