參數(shù)資料
型號(hào): RF2488
廠商: RF MICRO DEVICES INC
元件分類: 衰減器
英文描述: MULTI-MODE DUAL-BAND LNA MIXER
中文描述: RF/MICROWAVE DOWN CONVERTER
文件頁(yè)數(shù): 4/22頁(yè)
文件大?。?/td> 483K
代理商: RF2488
Preliminary
8-126
RF2488
Rev A0 010905
8
F
Parameter
Specification
Typ.
Unit
Condition
Min.
Max.
High Band Cascaded
Electrical Specification
Gain
T
AMB
=25°C, V
CC
=3V, IF=135MHz.
Assumes 3dB loss for image filter.
High Gain, GAIN SEL=High
Low Gain, GAIN SEL=Low
22
-2
24
0
26
2
+1.5
dB
dB
dB
Gain Variations versus
Temperature
Noise Figure
2.6
20
-8
18
3.0
25
dB
dB
dBm
dBm
dB
dB
dB
dB
dB
dB
dB
dB
dB
dBc
mA
mA
High Gain, GAIN SEL=High
Low Gain, GAIN SEL=Low
High Gain, GAIN SEL=High
Low Gain, GAIN SEL=Low
LNA Input-External Match, GAIN SEL=High
LNA Input-External Match, GAIN SEL=Low
Mixer RF Input
Mixer LO Input
LO IN to LNA IN, GAIN SEL=High
LO IN to LNA IN, GAIN SEL=Low
LNA Out to Mixer RF In
LO In to IF Out
Mixer RF In to IF Out
Input 3rd Order Intercept
-10
16
10
10
10
10
50
50
40
Return Loss
Isolation
45
>50
>60
-68
500
22
18
Half IF Spur
IF Output Impedance
Supply Current
-60
Mixer “ON”
High Gain, GAIN SEL=High
Low Gain, GAIN SEL=Low
24
22
Logic Levels
Input Low
Input High
Input Current
Input Impedance
0.5
V
V
μ
A
k
V
CC
=2.7V to 2.9V
V
CC
=2.7V to 2.9V
2.0
10
20
100
2
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