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參數(shù)資料
| 型號(hào)： | PMB2402 |
| 廠商： | SIEMENS AG |
| 英文描述： | GSM Receiver Circuit |
| 中文描述： | 手機(jī)接收電路 |
| 文件頁數(shù)： | 10/21頁 |
| 文件大?。?/td> | 697K |
| 代理商： | PMB2402 |
Semiconductor Group
10
AC/DC-Characteristics
(cont’d)
Parameter
Symbol
Limit Values
Unit
Test Condition
Test
Circuit
min.
typ.
max.
Input of First Mixer Local Oscillator LO1/LO1
Input resistance
R
LO1
C
LO1
P
LO1
V
LO1
f
LO1
490
700
910
pF
f
LO1
= 900 MHz
parallel to
R
LO1
see diagram 1
2a
Input capacitance
0.7
1
1.3
2a
Input level
– 11
178
3
890
dBm
mVpp
1
1
Input frequency
1100
MHz
1
Isolation of First Mixer
From SI
to MO
A
SI – MO
30
dB
f
SI
= 945 MHz;
f
LO1
= 900 MHz
f
SI
= 945 MHz;
f
LO1
= 900 MHz
f
SI
= 945 MHz;
f
LO1
= 900 MHz
f
SI
= 945 MHz;
f
LO1
= 900 MHz
f
SI
= 945 MHz;
f
LO1
= 900 MHz
f
SI
= 945 MHz;
f
LO1
= 900 MHz
1
SI
to LO1
A
SI – LO1
60
dB
1
LO1 to MO
A
LO1 – MO
50
dB
1
LO1 to SI
A
LO1 – SI
60
dB
1
MO to Si
A
MO – SI
50
dB
1
MO to LO1
A
MO – LO1
65
dB
1
IF Input IFI/IFI
Input resistance
R
IFI
C
IFI
P
IFI
V
IFI
P
IPI
63
90
117
pF
2a
Input capacitance
0.35
0.5
0.65
parallel to
R
IFI
V
GC
= 2 V, 1 dB compr. at
SO;
see diagram 4
2a
Max. input level
– 17
89
dBm
mVpp
1
1
Input intercept
point
see diagram 5
1
Input frequency
f
SI
N
SI
35
100
MHz
1
Noise figure
10
11
14
dB
SSB-noise
1
Input for Second Local Oscillator LO2 (VCO external)
Input resistance
R
LO2
1.9
1.3
2.4
1.8
3.1
2.3
k
k
f
LO2
= 180 MHz
f
LO2
= 360 MHz
2b
2b
PMB 2402
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