參數資料
型號: RF2489
廠商: RF MICRO DEVICES INC
元件分類: 無繩電話/電話
英文描述: DUAL-BAND/TRI-MODE CDMA LOW NOISE AMPLIFIER/MIXER
中文描述: TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQCC32
封裝: 5 X 5 MM, ROHS COMPLIANT, PLASTIC, QFN-32
文件頁數: 12/16頁
文件大小: 490K
代理商: RF2489
Preliminary
8-44
RF2489
Rev A10 011017
8
F
Evaluation Board S chematic
IF @184 MHz
(Download Bill of Materials from www.rfmd.com.)
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
/2
C30
33 nF
/2 SELECT
C17
33 nF
L12
7.5 nH
C18
1 pF
50
μ
strip
J8
LNA H IN
R8
68
50
μ
strip
J4
HB LO OUT
L13
2 nH
50
μ
strip
J3
LO IN
J5
LB LO OUT
L14
2 nH
50
μ
strip
VCC
C7
33 nF
C8
33 nF
ENABLE
C9
33 nF
TX BUFF ENABLE
L6
1 nH
C15
DNI
L5
47 nH
C10
33 nF
C11
33 nF
50
μ
strip
J6
MIX H IN
C12
DNI
IN
OUT
G
G
G
G
F1
2
5
1
4
3
6
C14
33 nF
LNA GAIN
C13
33 nF
MIX GAIN
L7
7.5 nH
L15
15 nH
C16
33 nF
50
μ
strip
J7
LNA H OUT
C31
0.5 pF
VCC
C19
33 nF
50
μ
strip
J9
LNA L IN
L16
1.5 nH
L9
47 nH
C20
33 nF
L10
10 nH
VCC
C21
1.8 pF
C22
DNI
50
μ
strip
J10
LNA L OUT
F2
2
5
1
4
3
6
GND
I
GND
O
R10
20 k
R9
5.1 k
L11
47 nH
C23
33 nF
C24
DNI
C25
33 nF
50
μ
strip
J11
MIX L IN
IF SEL
C29
33 nF
C28
33 nF
IP SET
C27
33 nF
BAND SEL
C26
33 nF
VCC
R4
10 k
L3
120 nH
C5
6.8 pF
L4
270 nH
R5
0
C6
7 pF
R6
DNI
50
μ
strip
J2
CDMA IF OUT
VCC
C4
6.8 pF
2489310 Rev. 1
R1
10 k
L2
120 nH
C3
6.8 pF
C1
6.8 pF
L1
270 nH
VCC
R2
0
C2
7 pF
R3
DNI
50
μ
strip
J1
FM IF OUT
P1-1
/2 SELECT
P1-4
BAND SEL
P1-2
IF SEL
P1-3
IP SET
P1
1
2
3
4
CON4
P3
1
2
3
CON3
C32
1
μ
F
+
GND
GND
P3-1
VCC
R12
0
R11
0
P2
1
2
3
4
CON4
P2-1
ENABLE
P2-3
MIX GAIN
P2-4
LNA GAIN
P2-2
TX BUFF ENABLE
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