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參數(shù)資料
| 型號： | MAX1471 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 315MHz/434MHz Low-Power, 3V/5V ASK/FSK Superheterodyne Receiver |
| 中文描述： | 315MHz/434MHz低功耗、3V/5V ASK/FSK超外差接收器 |
| 文件頁數(shù)： | 23/26頁 |
| 文件大?。?/td> | 806K |
| 代理商： | MAX1471 |
M
315MHz/434MHz Low-Power, 3V/5V
ASK/FSK Superheterodyne Receiver
______________________________________________________________________________________
23
Table 8. Control Register (Address: 0x2)
BIT ID
BIT NAME
BIT LOCATION
(0 = LSB)
POWER-UP
STATE
FUNCTION
X
None
AGC lock
None
7
6
Don’t care
0
Don’t care.
Locks the LNA gain in its present state.
Don’t care.
AGCLOCK
X
5, 4
FSKTRK_EN
FSK peak
detector track
enable
3
0
Enables the tracking mode of the FSK peak detectors
when FSKTRK_EN = 1. (See the
Peak Detector
s
section.)
ASKTRK_EN
ASK peak
detector track
enable
2
0
Enables the tracking mode of the ASK peak detectors
when ASKTRK_EN = 1.
(See the
Peak Detectors
section.)
POL_CAL_EN
Polling timer
calibration enable
1
0
POL_CAL_EN = 1 starts the polling timer calibration.
Calibration of the polling timer is needed when using
the MAX1471 in discontinous receive mode.
POL_CAL_EN resets when calibration completes
properly. (See the
Calibration
section.)
FSK_CAL_EN
FSK calibration
enable
0
0
FSK_CAL_EN starts the FSK receiver calibration.
FSK_CAL_EN resets when calibration completes
properly. (See the
Calibration
section.)
Table 9. Status Register (Read Only) (Address: 0x9)
BIT ID
BIT NAME
BIT LOCATION
(0 = LSB)
FUNCTION
LOCKDET
Lock detect
7
0 = Internal PLL is not locked so the MAX1471 will not receive data.
1 = Internal PLL is locked.
AGCST
AGC state
6
0 = LNA in low-gain state.
1 = LNA in high-gain state.
CLKALIVE
Clock/crystal
alive
5
0 = No valid clock signal seen at the crystal inputs.
1 = Valid clock at crystal inputs.
X
None
4, 3, 2
Don’t care.
POL_CAL_DONE
Polling timer
calibration done
1
0 = Polling timer calibraton in progress or not completed.
1 = Polling timer calibration is complete.
FSK_CAL_DONE
FSK calibration
done
0
0 = FSK calibration in progress or not completed.
1 = FSK calibration is compete.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1471AGJ/VY+ | 功能描述:射頻接收器 315MHz/434MHz Low-Power 3V/5V ASK/FSK Superheterodyne Receiver RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| MAX1471AGJ/VY+T | 功能描述:射頻接收器 315MHz/434MHz Low-Power 3V/5V ASK/FSK Superheterodyne Receiver RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| MAX1471ATJ | 功能描述:射頻接收器 RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| MAX1471ATJ/V+ | 功能描述:射頻接收器 315MHz/434MHz Low-Power 3V/5V ASK/FSK Superheterodyne Receiver RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| MAX1471ATJ/V+T | 功能描述:射頻接收器 315MHz/434MHz Low-Power 3V/5V ASK/FSK Superheterodyne Receiver RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
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