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Preliminary
8-126
RF2488
Rev A0 010905
8
Parameter
Specification
Unit
Condition
Min.
Typ.
Max.
High Band Cascaded
Electrical Specification
TAMB=25°C, VCC=3V, IF=135MHz.
Assumes 3dB loss for image filter.
Gain
22
24
26
dB
High Gain, GAIN SEL=High
-2
0
2
dB
Low Gain, GAIN SEL= Low
Gain Variations versus
Temperature
+1.5
dB
Noise Figure
2.6
3.0
dB
High Gain, GAIN SEL=High
20
25
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
50
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
>60
dB
Mixer RF In to IF Out
Half IF Spur
-68
-60
dBc
IF Output Impedance
500
Ω
Mixer “ON”
Supply Current
22
24
mA
High Gain, GAIN SEL=High
18
22
mA
Low Gain, GAIN SEL= Low
Logic Levels
Input Low
0.5
V
VCC=2.7V to 2.9V
Input High
2.0
V
VCC=2.7V to 2.9V
Input Current
10
100
µA
Input Impedance
2
20
k
Ω
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