參數(shù)資料
型號: RF2492
廠商: RF MICRO DEVICES INC
元件分類: 無繩電話/電話
英文描述: DUAL-BAND LOW NOISE AMPLIFIER/MIXER
中文描述: TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT
封裝: 5 X 5 MM, PLASTIC, LCC-32
文件頁數(shù): 9/22頁
文件大小: 483K
代理商: RF2492
Preliminary
8-41
RF2492
Rev A4 010828
8
F
Applic ation S chematic
1
3
6
4
5
2
9
14
10
13
11
12
32
27
31
28
30
29
24
22
19
21
20
23
26
25
7
8
15
16
18
17
33 nF
X2 ENABLE
BAND SEL
120
47 nH
C2
33 nF
36 nH
2.2 nH
33 nF
47 nH
C1
20 pF
33 nF
180 nH
18 pF
270 nH
8 pF
20 pF
180 nH
18 pF
270 nH
8 pF
33 nF
LNA GAIN
C2
33 nF
IN
OUT
G
G
7.5 nH
IP SET
IF SEL
2
1
4
3
6
5
C1
F1
47 nH
C1
IN
OUT
G
G
33 nF
F2
4
1
5
2
6
3
27 k
4 pF
5.6 nH
MIX GAIN
VCO L OUT N
VCO L OUT P
VCO H OUT N
VCO H OUT P
V
CC
LNA H IN
LO IN
V
CC
V
CC
IF1 OUT
V
CC
IF2 OUT
LNA L IN
V
CC
V
CC
4 pF
LNA L OUT
33 pF
NOTES:
1. C1's are not needed if filter DC impedance is open circuit (as is normally the case).
2. C2's are not needed if duplexer DC impedance is open circuit (as is normally the case).
3. IF interface shown is 50
@ 110 MHz.
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