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8-304
RF2498
Rev A4 070308
Parameter
Specification
Unit
Condition
Min.
Typ.
Max.
Other
LO-IF Isolation
36
dB
RF-IF Isolation
40
dB
LNA Out to Mixer In Isolation
30
40
dB
LO-LNA In Isolation, Any State
35
dB
GPS Band
Freq=1575.42MHz
LNA (On)
LNA 50
Ω match
Gain
17.0
19.0
dB
IPSET=1
16
18
dB
IPSET=0
Noise Figure
1.3
1.7
dB
IPSET=1
1.25
1.7
dB
IPSET=0
Input IP3
+1.0
+5.0
dBm
IPSET=1
-5.0
-1.0
dBm
IPSET=0
Current
6.5
mA
IPSET=1
4.5
mA
IPSET=0
Isolation
20
dB
Mixer
LO IN=-4dBm
See note 1.
Gain
16
18
dB
Noise Figure
5.5
dB
High Side LO Injection.
7.0
dB
Low Side LO Injection.
Input IP3
-7.5
-5.5
dBm
Current
15.5
mA
Preamp/Mixer/LO Input Amps
LO to RF Isolation
dB
LO Frequency Range
1350
1800
MHz
High and Low Side LO Injection
LO Input Power Range
-10
-4
0
dBm
IF Frequency Range
0.1
183.6
400
MHz
Typical IF frequencies: 183.6MHz,
210.38MHz, 220.38MHz
Other
LO-IF Isolation
36
dB
RF-IF Isolation
40
dB
LNA Out to Mixer In Isolation
30
40
dB
LO-LNA In Isolation, Any State
35
dB
Control Lines
Input Capacitance
1
pF
BAND SEL, IF SEL, IP SET, LNA GAIN,
ENABLE, MIX GAIN, TX BUFF ENABLE,
/2 SELECT
Local Oscillator Input
Cellular - CDMA/FM/JCDMA
Input Power
-10
-4
0
dBm
Input Frequency
600
1078
MHz
See note 3. High and Low side injection.
1200
2156
MHz
See note 4. High and Low side injection.
PCS
Input Power
-10
-4
0
dBm
Input Frequency
1600
2300
MHz
High and Low Side LO Injection.
GPS
Input Power
-10
-4
0
dBm
Input Frequency
1350
1800
MHz
High and Low Side LO Injection.
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