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參數(shù)資料
| 型號： | RF2705 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | 887664300 |
| 中文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQCC24 |
| 封裝： | 4 X 4 MM, PLASTIC, QFN-24 |
| 文件頁數(shù)： | 11/24頁 |
| 文件大?。?/td> | 379K |
| 代理商： | RF2705 |
5-123
RF2705
Rev A4 041026
Parameter
Specification
Typ.
Unit
Condition
Min.
Max.
General Specifications
Operating Range
Supply Voltage
Temperature
2.7
-40
3.3
+85
V
°C
Current Consumption
Refer to Logic Control Truth Table for Mode
Control Pin Voltages.
Sleep
<1
114
85
89
54
63
42
110
84
80
53
54
41
72
82
23
22
76
74
10
μ
A
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
Wideband F
LO
x1 (high power)
GC=2.0V
GC=0.2V
GC=2.0V
GC=0.2V
GC=2.0V. See Note 1.
GC=0.2V. See Note 1.
GC=2.0V
GC=0.2V
GC=2.0V
GC=0.2V
GC=2.0V. See Note 1.
GC=0.2V. See Note 1.
GC=2.0V
GC=2.0V
*
(medium power)
*
(low power)
*
Wideband F
LO
x2 (high power)
(medium power)
(low power)
High Band F
LO
x2
Low Band F
LO
/2
High Band Bypass
Low Band Bypass
High Band F
LO
x1
Low Band F
LO
x1
GC=2.0V
GC=2.0V
Logic Levels
Input Logic 0
Input Logic 1
Logic Pins Input Current
LO Input Ports
LO LB Input Frequency Range
LO HB Input Frequency Range
Input Impedance
I/Q Baseband Inputs
Baseband Input Voltage
Baseband Input Level
0
0.4
V
CC
V
V
μ
A
1.4
<1.0
CMOS inputs
800
1600
1000
2000
MHz
MHz
50
Externally matched
1.15
1.25
V
Common mode voltage
EDGE
W-CDMA
GMSK
1.2
0.8
V
P-P
V
P-P
V
P-P
Differential
1DPCCH+1DPDCH. See Note 1.
Differential
Measured at 100kHz
1.0
Baseband Input Impedance
Input Bandwidth
100k||1pF
EDGE
W-CDMA
0.7
8.0
1.0
11.0
MHz
MHz
Baseband Filter Attenuation
EDGE
W-CDMA
20
10
-10
dB
dB
μ
A
At 20MHz
At 40MHz
Baseband Input DC Current
Gain Control
Gain Control Voltage
Gain Control Impedance
Note 1: In low power mode it is recommended that the IQ level be reduced to 0.4V
P-P
. If IQ level is >0.4V
P-P
, this mode should be used
for W-CDMA TX power levels below -20dBm (measured at antenna).
0
10
0.2
2.2
V
k
10
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