參數(shù)資料
型號(hào)： AD6432
廠商： Analog Devices, Inc.
英文描述： GSM 3 V Transceiver IF Subsystem
中文描述： 3伏的GSM收發(fā)器中頻子系統(tǒng)
文件頁數(shù)： 4/20頁
文件大小： 334K
代理商： AD6432
AD6432
–4–
REV. 0
PIN FUNCTION DESCRIPTIONS
Pin
Label
Description
Function
1
2
3
4
5
6
7
8
9
GND
MODO
VPDV
CMTX
LOLO
LOHI
CMRX
GND
RFLO
RFHI
GND
VPRX
MXHI
MXLO
CMIF
IFLO
IFHI
CMIF
RXPU
GAIN
GREF
GND
QRXN
QRXP
IRXN
IRXP
VPDM
VPFL
FLTR
CMDM
IFS0
GND
FREF
VPPC
PCAO
GND
PCAM
PCAP
TXPU
QTXN
QTXP
ITXN
ITXP
VPTX
PCB Ground
TX Modulator Output
LO2 Divided by 2 Supply Voltage
On-Chip TX Mixer Common
Differential RX Mixer LO2 Input Negative
Differential RX Mixer LO2 Input Positive
On-Chip RX Mixer Common
PCB Ground
Differential RX Mixer IF1 Input Negative
Differential RX Mixer IF1 Input Positive
PCB Ground
RX Section Supply Voltage
Differential RX IF1/IF2 Mixer Output Positive
Differential RX IF1/IF2 Mixer Output Negative
On-Chip RX IF2 Common
Differential RX IF2 Input Negative
Differential RX IF2 Input Positive
On-Chip RX IF2 Common
RX Enable (Power-Up)
RX VGA Gain Control Input
RX VGA Reference Voltage
PCB Ground
Differential Demodulator Q Output Negative
Differential Demodulator Q Output Positive
Differential Demodulator I Output Negative
Differential Demodulator I Output Positive
Demodulator Supply Voltage
I/Q LO PLL Filter Cap. Supply Voltage
I/Q LO PLL Filter
On-Chip Demodulator Common
IF2 Frequency Select Bit
PCB Ground
Reference Input (13 MHz for GSM)
Auxiliary Op Amp Supply Voltage
Auxiliary Op Amp Output
PCB Ground
Differential Auxiliary Op Amp Input Negative
Differential Auxiliary Op Amp Input Positive
TX Enable (Power-Up)
Differential Modulator Q Input Negative
Differential Modulator Q Input Positive
Differential Modulator I Input Negative
Differential Modulator I Input Positive
TX Section Supply Voltage
Not Bonded to IC
AC Coupled, Drives 150
into 50
V
POS
Ground
AC Coupled, V
POS
to V
POS
– 100 mV
AC Coupled, V
POS
– 100 mV to V
POS
Ground
Not Bonded to IC
AC Coupled
AC Coupled
Not Bonded to IC
V
POS
See Figure 30
See Figure 30
Ground
AC Coupled
AC Coupled
Ground
Off = Low < 0.6 V, On = High > 2.5 V
0.2 V–2.4 V Using 3 V Supply. Max Gain at 0.2 V
1.2 V typ
Not Bonded to IC
Internal 4.7 k
Resistor in Series with the Output
Internal 4.7 k
Resistor in Series with the Output
Internal 4.7 k
Resistor in Series with the Output
Internal 4.7 k
Resistor in Series with the Output
V
POS
To V
POS
with Good Decoupling
Referenced to VPFL
Ground
“0” = Low < 0.6 V, “1” = High > 2.5 V
Not Bonded to IC
AC Coupled. Use 200 mV p-p Input Signal
V
POS
Active when TXPU Is High
Not Bonded to IC
0.1 V to V
POS
– 2.1 V
0.1 V to V
POS
– 2.1 V
Low < 0.6 V, High > 2.5 V
DC Coupled, 1.2 V
±
514 mV
DC Coupled, 1.2 V
±
514 mV
DC Coupled, 1.2 V
±
514 mV
DC Coupled, 1.2 V
±
514 mV
V
POS
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
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參數(shù)描述
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