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