RF2488 データシートの表示（PDF） - RF Micro Devices
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RF2488 Datasheet PDF : 22 Pages
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Preliminary
RF2488
Parameter
Low Band Cascaded
Electrical Specification
Gain
Gain Variations versus
Temperature
Noise Figure
Input 3rd Order Intercept
Return Loss
Isolation
IF Output Impedance
Supply Current
Low Noise Amplifier
High Band
Gain
Gain Variations versus
Temperature
Noise Figure
Input 3rd Order Intercept
Return Loss
Supply Current
Mixer High Band
Conversion Gain
LO Input Level
Noise Figure (SSB)
Input 3rd Order Intercept
Return Loss, Mixer RF Input
LO Input
Terminating Impedance
IF Output
Mixer Supply Current
Specification
Min.
Typ.
Max.
24
26
28
-4
-2
0
+1.0
Unit
dB
dB
dB
Condition
TAMB=25°C, VCC=3V, IF=135MHz.
Assumes 3dB loss for image filter.
High Gain, GAIN SEL=High
Low Gain, GAIN SEL=Low
2.1
2.5
dB
High Gain, GAIN SEL=High
22
24
dB
Low Gain, GAIN SEL=Low
-10
-8
dBm
High Gain, GAIN SEL=High
16
18
dBm
Low Gain, GAIN SEL=Low
10
dB
LNA Input-External Match, GAIN SEL=High
10
dB
LNA Input-External Match, GAIN SEL=Low
10
dB
Mixer RF Input
10
dB
Mixer LO Input
50
dB
LO IN to LNA IN, GAIN SEL=High
35
dB
LO IN to LNA IN, GAIN SEL=Low
40
45
dB
LNA Out to Mixer RF In
>50
dB
LO In to IF Out
>40
dB
Mixer RF In to IF Out
500
Ω
Mixer “ON”
16
18
mA
High Gain, GAIN SEL=High
13
15
mA
Low Gain, GAIN SEL=Low
TAMB=25°C, VCC=3V
8
Frequency=1930MHz to 1990MHz
16
17
18
dB
High Gain, GAIN SEL=High
-8
-6
-4
dB
Low Gain, GAIN SEL=Low
+1.0
dB
-40°C to 85°C
1.6
1.7
dB
High Gain, GAIN SEL=High
8
11
dB
Low Gain, GAIN SEL=Low
0
2
dBm
High Gain, GAIN SEL=High
16
18
dBm
Low Gain, GAIN SEL=Low
10
dB
LNA Input-External Match, GAIN SEL=High
10
dB
LNA Input-External Match, GAIN SEL=Low
10
dB
LNA Output-External Match,
GAIN SEL=High
10
dB
LNA Output-External Match,
GAIN SEL=Low
6
7
mA
High Gain, GAIN SEL=High
0.3
0.5
mA
Low Gain, GAIN SEL=Low
TAMB=25°C, VCC=3V, IF=135MHz;
Mixer RF Input Frequency =1930MHz to
1990MHz; LO Output Frequency=2065MHz
to 2125MHz
10
11
12
dB
-9
-6
0
dBm
10
12
dB
5
7
dBm
10
dB
10
dB
500
Ω
Mixer “ON”
16
17
mA
Rev A0 010905
8-125
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