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參數(shù)資料
| 型號： | DS2722-F-05 |
| 英文描述： | 900MHz Low-IF 1.5Mbps FSK Transceiver Final Datasheet |
| 中文描述： | 900MHz的低IF 1.5Mbps的FSK收發(fā)器最終數(shù)據(jù)表 |
| 文件頁數(shù)： | 8/28頁 |
| 文件大?。?/td> | 463K |
| 代理商： | DS2722-F-05 |
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ML2722
DS2722-F-05
FINAL DATASHEET
DECEMBER 2003
8
PIN
SIGNAL
NAME
I/O
FUNCTION
DIAGRAM
and to stabilize the regulator.
29
RVCC7
O (analog)
DC power supply decoupling point for IF,
Demodulator, and Data Slicer circuits. A
capacitor must be tied between this pin
and ground to decouple (bypass) noise
and to stabilize the regulator.
31
VDD
I (digital)
DC power supply input to the interface
logic and control registers. This supply is
not connected internally to any other
supply pin, but its voltage must be less
than or equal to the VCC5 supply and
greater than 2.7 V. A capacitor must be
tied between this pin and ground to
decouple (bypass) noise.
TRANSMIT/RECEIVE
21
RRFI
I (analog)
Receive RF Input. Nominal impedance at
902 to 928 MHz is 17-50j
with a simple
matching network required for optimum
noise figure. This input is to the base of
an NPN transistor and should be AC
coupled.
(PIN 24)
(PIN 8)
VSS
GND
RRFI
VCC5
24
0.7V
VCC5
VSS
4k
21
18
8
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