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參數資料
| 型號： | RF137 |
| 英文描述： | Transceiver For GSM Applications |
| 中文描述： | 收發(fā)器的GSM應用 |
| 文件頁數： | 4/15頁 |
| 文件大?。?/td> | 114K |
| 代理商： | RF137 |
RF137
Transceiver
4
October 11, 2000
Conexant - Proprietary
Data Subject to Change
100777C
Table 3. RF137 Electrical Specifications (1 of 4)
(TA = 25
°
C, Vcc = 3.0 V, except where specified)
Parameter
Symbol
Test Condition
Mn
Typical
Max
Units
IF Amplifier/Mxer
Input impedance
ZIN
differential
1000//
0.5
//pF
Input operating frequency
FN
70
450
MHz
Voltage gain:
High gain mode
Low gain mode
AV
S7 = 1, CO = 1
S7 = 0, CO = 1
+16.5
–7
+18
–6
+19
–5
dB
dB
Gain step variation
dAV
0.5
dB
Single-sideband noise figure
NF
High gain mode
7
8
dB
Input 1 dB compression point
High gain mode
Low gain mode
P1dB
–35
–9
–32
–7
dBV
dBV
Mixer spurious level
Pin = –51 dBV
–50
dBc
Image rejection
35
45
dB
Output impedance
ZOUT
330// 2.2
//pF
Output operating frequency
FOUT
14.6
MHz
2nd IF Amplifier
Input impedance
ZIN
330// 2.2
//pF
Operating frequency
FIF
14.6
MHz
Voltage gain:
High gain mode
Low gain mode
AV
S8 = 1, CO = 1
S8 = 0, CO = 1
17
5
18
6
19
7
dB
dB
Gain step variation versus frequency
dAV
0.5
dB
Noise figure
NF
7
dB
Input P1dB
P1dB
low gain mode
–25
–22
dBV
Output impedance
ZOUT
differential
1000//
1.2
//pF
Receiver
Gain temperature coefficient
without ceramc filter
0.03
0.04
dB/
°
C
Power supply rejection ratio
0.5
dB/V
Input common mode rejection ratio
FIN = 400 MHz
65
dB
I/Q Modulator
Input impedance
ZIN
differential @ 100 kHz
750// 3.3
k
//pF
Input common mode voltage range
VCM
0.85
1.35
VCC–
1.35
V
Input offset voltage
VOS
1
5
mV
Input common mode rejection ratio
FIN = 100 kHz
FIN = 1 MHz
75
55
dB
Output operating frequency
FOUT
70
425
MHz
Output impedance
ZOUT
differential @400MHz
600// 3.1
//pF
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