RF2492 查看數據表（PDF） - RF Micro Devices
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RF2492 Datasheet PDF : 22 Pages
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Preliminary
RF2492
State Table (Typical Values for VCC =2.75V and 3dB RF Filter Insertion Loss)
Cellular
PCS
Parameter
LNA On
LNA at Max IIP3 LNA at Nom IIP3
LNA Off
LNA On
LNA at Max IIP3 LNA at Nom IIP3
LNA Off
Mixer Mixer Mixer Mixer Mixer Mixer Mixer Mixer Mixer Mixer Mixer Mixer
Amp On Amp Off Amp On Amp Off Amp On Amp Off Amp On Amp Off Amp On Amp Off Amp On Amp Off
Cascade
Gain (dB)
24.5 15.9
24
15.4
2
-6.8 24.3 15.3 23.5 14.5
4
-5
Noise Figure (dB)
2.8
5.3
2.7
5.4 18.2 25.2 2.6
5.7
3.1
6.3
17
24
Input IP3 (dBm)
-6.5 +1.1 -6.4
0
+14.9 +19.5
-6
+3
-5.6 +1.5 +14 +21.7
Total Current
38
36
32
26
40
38.5
34.5
28
LNA
Gain (dB)
14.5 14.5
14
14
-7.5 -7.5 14.8 14.8
14
14
-5.5 -5.5
Noise Figure (dB)
2.0
2.0
1.8
1.8
5.8
5.8
1.5
1.5
1.8
1.8
6.2
6.2
Input IP3 (dBm)
+7.5 +7.5
+3
+3
+21 +21
+9
+9
+3.5 +3.5
25
25
Isolation (dB)
LNA Current (mA)
Mixer
Gain (dB)
13
4.4
13
4.4
13
4.4 12.5 3.5 12.5 3.5 12.5 3.5
Noise Figure (dB)
7
14
7
14
7
14
8.5 15.5 8.5 15.5 8.5 15.5
Input IP3 (dBm)
+5.1 +13.8 +5.1 +13.8 +5.1 +13.8 +6
+16
+6
+16
+6
+16
LO Input Level (dBm)
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
LO to RF Isolation(dB)
Mixer Current (mA)
8
Control Logic Table
PCS IF2 High Gain/High
Linearity
PCS IF2 High Gain/Nomi-
nal Linearity
PCS IF2 Mid1 Gain
PCS IF2 Mid2 Gain
PCS IF2 Low Gain
Cell IF2 High Gain/
High Linearity
Cell IF2 High Gain/Nomi-
nal Linearity
Cell IF2 Mid1 Gain
Cell IF2 Mid2 Gain
Cell IF2 Low Gain
Cell IF1 High Gain/
High Linearity
Cell IF1 High Gain/
Nominal Linearity
Cell IF1 Mid1 Gain
Cell IF1 Mid2 Gain
Cell IF1 Low Gain
Shutdown
Not Defined
BAND SEL
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
X
1
IF SEL
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
X
1
LNA GAIN
1
1
1
0
0
1
1
1
0
0
1
1
1
0
0
X
X
MIX GAIN LNA IP SEL
1
1
1
0
0
0
1
0
0
0
1
1
1
0
0
0
1
0
0
0
1
1
1
0
0
0
1
0
0
0
X
X
X
X
ENABLE
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
Rev A4 010828
8-37
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