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參數(shù)資料
| 型號： | SA9025 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | 900 MHz transmit modulator and 2.2 GHz fractional-N synthesizer |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP48 |
| 封裝： | 7 X 7 X 1.40 MM, PLASTIC, LQFP-48 |
| 文件頁數(shù)： | 4/23頁 |
| 文件大?。?/td> | 134K |
| 代理商： | SA9025 |
Philips Semiconductors
Objective specification
SA9025
900 MHz transmit modulator and 2.2 GHz
fractional–N synthesizer
1997 Aug 01
4
PIN DESCRIPTIONS
PIN
NO.
PIN
DESCRIPTION
1
PHP
Proportional charge pump output
2
V
CC
RX
LO1
RX
LO2
GND
Digital supply voltage
3
Differential LO input
4
Differential LO input
5
Digital Ground
6
V
CC
TX
LO1
TX
LO2
GND
Tank supply voltage
7
Differential Transmit LO Input
8
Differential Transmit LO Input
9
Tank Ground
10
PHS OUT
Charge pump output (transmit offset)
11
I
PEAK
TANK1
PHS out current set resistor
12
VCO differential tank
13
TANK2
VCO differential tank
14
V
CC
GND
Tx supply voltage
15
Tx Ground
16
GND
Tx Ground
17
GND
Tx Ground
18
GND
Tx Ground
19
GND
Tx Ground
20
DUALTX1
Dual mode RF output
21
GND
Tx Ground
22
DUALTX2
Dual mode RF output
23
GND
Tx Ground
24
V
CC
Q
Tx supply voltage
25
Inverting quadrature input
26
Q
Non–Inverting quadrature input
27
I
Non–inverting in phase modulation input
28
I
Inverting in phase modulation input
29
V
CC
GND
Tx supply voltage
30
Tx Ground
31
STROBE
Data input latch enable
32
LOCK
Lock detect
33
CLOCK
Serial clock input
34
DATA
Serial data input
35
TX
EN
XTAL
2
XTAL
1
MCLK
Transmit enable
36
Crystal Oscillator emitter input
37
Crystal Oscillator base Input
38
Buffered oscillator output
39
RCLK
Buffered oscillator output
40
V
CC
PHA
REF supply voltage
41
Auxiliary charge pump output
42
GND
REF Ground
43
INA
RX
IF
input
CP supply voltage
44
V
CC
GND
45
CP Ground
46
RN
CP current set resistor
47
GND
CP Ground
48
PHI
Integral charge pump output
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