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參數(shù)資料
| 型號(hào)： | SA1921-T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | TELECOM, CELLULAR, RF FRONT END CIRCUIT, PQFP48 |
| 封裝： | 7 X 7 X 1.40 MM, PLASTIC, QFP-48 |
| 文件頁數(shù)： | 23/36頁 |
| 文件大?。?/td> | 521K |
| 代理商： | SA1921-T |
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Philips Semiconductors
Product specification
SA1921
Satellite and cellular dual-band RF front-end
1999 Mar 02
3
PIN DESCRIPTIONS
PIN
NO.
PIN NAME
DESCRIPTION
1
N/C
No Connection
2
Tx IF A
Transmit IF A
3
Tx IF B
Transmit IF B
4
GND
Ground
5
MIX IN
Low Band Mixer Input
6
GND
Ground
7
VCC
8
GND
Ground
9
Tx A
Transmit Signal A
10
Tx B
Transmit Signal B
11
GND
Ground
12
N/C
No Connection
13
HI/LO
High Band/Low Band Control
14
SYN ON
LO Buffer Power Control
15
HIGH BAND IF A
High Band IF A
16
HIGH BAND IF B
High Band IF B
17
LOW BAND IF A
Low Band IF A
18
LOW BAND IF B
Low Band IF B
19
GND
Ground
20
HIGH BAND LO A
High Band LO Output
21
HIGH BAND LO B
High Band LO Output
22
LOW BAND LO A
Low Band LO Output
23
LOW BAND LO B
Low Band LO Output
24
Rx ON
LNA/Mixer Power Control
25
VCC
26
Tx ON
Tx Mixer/Driver Power
27
VCC
28
HIGH BAND IMAGE SET I
High Band Image Set I
29
GND
Ground
30
HIGH BAND LO INPUT
High Band LO Connection
31
LOW BAND LO INPUT
Low Band LO Connection
32
GND
Ground
33
HIGH BAND IMAGE SET Q
High Band Image Set Q
34
GND
Ground
35
GND
Ground
36
N/C
No Connection
37
N/C
No Connection
38
STRONG SIGNAL
Strong Signal Detection
39
GND
Ground
40
VCC
41
GND
Ground
42
HIGH BAND LNA IN
High Band LNA Input
43
LOW BAND LNA IN
Low Band LNA Input
44
GND
Ground
45
LOW BAND LNA OUT
Low Band LNA Output
46
GND
Ground
47
GND
Ground
48
N/C
No Connection
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