參數(shù)資料
型號: RF2690
廠商: RF MICRO DEVICES INC
元件分類: 無繩電話/電話
英文描述: W-CDMA RECEIVE AGC AND DEMODULATOR
中文描述: TELECOM, CELLULAR, BASEBAND CIRCUIT, QCC20
封裝: 4 X 4 MM, LCC-20
文件頁數(shù): 11/16頁
文件大?。?/td> 259K
代理商: RF2690
Preliminary
7-49
RF2690
Rev A4 010918
7
Q
D
Evaluation Board S chematic
(Download Bill of Materials from www.rfmd.com.)
Drawing 2690400 Rev -
19
18
17
16
14
13
12
10
9
8
7
5
4
3
2
1
*
*
*
*
20
6
11
15
R1
10 k
VGC
C2
5.1 pF
C4*
DNI
50
μ
strip
J2
WCDMA
C6
100 pF
R7
680
L2
150 nH
C10
10 nF
VCC
ENWUP
C23*
DNI
C20
100 pF
C24*
DNI
50
μ
strip
J4
LO IN
ENRX
TP7
Q OUT N
TP6
Q OUT P
TP5
I OUT N
TP4
I OUT P
R12*
DNI
C12
100 nF
R2
10 k
C13
100 nF
R3
10 k
R14
20 k
3
2
+
-
C14
100 nF
+5V
7
4
8
5
U2
R15
20 k
C16
100 nF
6
CLC426
R18
51
50
μ
strip
J5
IOUT
C15
100 nF
-5V
R13*
DNI
C18
100 nF
R4
10 k
C19
100 nF
R5
10 k
R16
20 k
3
2
+
-
+5V
7
4
8
5
U3
R17
20 k
6
CLC426
R19
51
50
μ
strip
J6
QOUT
C17
100 nF
-5V
ENCAL
C9
100 pF
C8
1 nF
TP1
VREF2V
TP2
IFP
TP3
IFN
C11
10 pF
J3
FCLK
CON3
JP3
+5V
-5V
1
2
3
C21
1 uF(16V) +
C22
1 uF(16V)
+
HDR 8
8
7
6
5
4
3
2
1
JP1
ENRX
ENCAL
ENWUP
VCC
VGC
C7
1 uF
+
R10
1 M
R9
1 M
R8
1 M
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