RF2498 查看數據表（PDF） - RF Micro Devices
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RF2498 Datasheet PDF : 20 Pages
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RF2498
Parameter
Specification
Unit
Min.
Typ.
Max.
Condition
Cellular Band
JCDMA Band, cont’d
Mixer - FM
Gain
11.5
1.5
Noise Figure
Input IP3
Current
+1.5
+11.0
LO to RF Isolation
36
LO Frequency Range
600
IF Frequency Range
0.1
Other
LO-IF Isolation
30
RF-IF Isolation
40
LNA Out to Mixer In Isolation
40
LO-LNA In Isolation, Any State
35
US PCS Band
Korean PCS Band
LNA (On)
Gain
13.5
13.0
Noise Figure
Input IP3
Current
Isolation
LNA (Off)
Gain
Noise Figure
Input IP3
Current
Isolation
T Mixer
Gain
NO Noise Figure
Input IP3
Current
+8.0
-2.0
R-6
FO+20.0
12.0
2.5
+1.5
+11.0
LO to RF Isolation
LO Frequency Range
IF Frequency Range
36
30
1600
0.1
LO IN=-4dBm
See note 1 and 2.
13.0
14.5
dB
Mixer Preamp ON
3.0
4.5
dB
Mixer Preamp OFF
7.5
8.5
dB
Mixer Preamp ON
14.0
16.0
dB
Mixer Preamp OFF
+3.5
dBm
Mixer Preamp ON
+14.0
18.5
13.5
183.6
NS 2300
DESIG 400
dBm
mA
mA
dB
dB
MHz
MHz
dB
dB
dB
dB
Mixer Preamp OFF
Mixer Preamp ON/Mixer/LO Input Amps
Mixer Preamp OFF/Mixer/LO Input Amps
Mixer Preamp ON
Mixer Preamp OFF
High and Low Side LO Injection
See note 3 and 4.
Typical IF frequencies: 85.38MHz,
109.80MHz, 111.85MHz, 183.6MHz
Freq=1930MHz to 1990MHz
15.5
17.5
W 15.0
16.5
1.5
1.8
E1.4
1.7
+12.0
N+4.0
dB
dB
dB
dB
dBm
dBm
Freq=1840MHz to 1870MHz
LNA 50Ω match
IPSET = 1
IPSET = 0
IPSET = 1
IPSET = 0
IPSET = 1
IPSET = 0
6.5
mA
IPSET = 1
4.5
mA
IPSET = 0
20
dB
-4
4
+26.0
0
4
14.0
4.5
7.0
15
+5.0
+13.0
19.0
14.0
183.6
6
15.5
6.5
8.5
17
2400
400
dB
dB
dBm
mA
dB
dB
dB
dB
dB
dBm
dBm
mA
mA
dB
dB
MHz
MHz
LO IN=-4dBm
See note 1.
Mixer Preamp ON
Mixer Preamp OFF
Mixer Preamp ON
Mixer Preamp OFF
Mixer Preamp ON
Mixer Preamp OFF
Mixer Preamp ON/Mixer/LO Input Amps
Mixer Preamp OFF/Mixer/LO Input Amps
Mixer Preamp ON
Mixer Preamp OFF
High and Low Side LO Injection
Typical IF frequencies: 183.6MHz,
210.38MHz, 220.38MHz
Rev A4 070308
8-303
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