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参数资料
| 型号： | W9009 |
| 元件分类： | 无绳电话/电话 |
| 英文描述： | TELECOM, CORDLESS, BASEBAND CIRCUIT, PQFP32 |
| 封装： | TQFP-32 |
| 文件页数： | 16/20页 |
| 文件大小： | 526K |
| 代理商： | W9009 |
Lucent Technologies Inc.
5
Data Sheet
September 1999
Cordless Telephony—Version 2.0
W9009 RF Transceiver for 900 MHz
Pin Information (continued)
Table 1. W9009 Pin Information
Connection Diagram
Pin
Name
Function
1
PAGND
Ground return for transmitter RF power ampli-
fier.
2
RFOUT
Open collector output of transmitter RF power
amplifier. Requires reactive match to 50
system impedance. Small-signal output
impedance is 3.8
– j110 at 915 MHz with
pin 1 properly grounded.
—
3
RFGND
Ground for RF circuit blocks.
4LNAVCC
Open collector of RF low noise amplifier.
Requires reactive load to achieve desired
gain.
6
RFIN
RF LNA input. Requires reactive match to
50
system impedance. Input impedance is
52
– j78 at 915 MHz with pin 7 properly
grounded.
7
LNAGND
Ground return for RF low noise amplifier.
—5
RFVCC
Supply for RF circuit blocks.
8
MXOUT
Open collector output of receive phase com-
biner buffer amp.
9
IFAIN
Negative and positive inputs for first IF ampli-
fier. Must be ac coupled to external circuit.
Differential input impedance is
3500
– j240 at 10.7 MHz.
10
IFAIP
—11
IFAVCC
Supply for first IF amplifier.
2
1
VCC
TO TX
BUFFER
5-7750
4
7
6
VCC
LNA
GAIN
VCC
TO RX
MIXER
5-7751
8
VCC
TO RX
MIXER
5-7752
TO IF
VCC
AMPS
9
10
5-7755
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