전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크
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RF2690 데이터 시트보기 (PDF) - RF Micro Devices
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RF2690
W-CDMA RECEIVE AGC AND DEMODULATOR
RF Micro Devices
RF2690 Datasheet PDF : 16 Pages
First
Prev
11
12
13
14
15
16
Preliminary
RF2690
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
JP3
+5V
1
-5V
2
C21
1 uF(16V) +
3
+ C22
1 uF(16V)CON3
C8
1 nF
TP1
TP2
TP3
VREF2V IFP
IFN
Drawing 2690400 Rev -
C9
100 pF
C11
10 pF
TP4
ENCAL I OUT P
+5V
C14
100 nF
VGC
J2
WCDMA
C2
50
Ω µ
strip5.1
pF
C4*
DNI
JP1
8
7
6
5
4
3
2
1
HDR 8
+ C7
1 uF
L2
150 nH
C6
100 pF
R1
10 k
Ω
R7
680
Ω
C10
ENRX 10 nF
ENCAL
ENWUP
VGC
VCC
* 20 19 18 17 16 *
1
15
2
14
3
13
4
12
5
11
*6
7
8
9 10
*
C12
100 nF
R12* C13
DNI 100 nF
TP5
I OUT N
TP6
Q OUT P
C18
100 nF
R13* C19
DNI 100 nF
VCC
ENWUP
ENRX TP7
Q OUT N
C20
100 pF
50
Ω µ
strip
C23*
DNI
C24*
DNI
R2
10 k
Ω
R3
10 k
Ω
R4
10 k
Ω
R5
10 k
Ω
R14
20 k
Ω
7
3+
U2
8
6
2-
5
4
CLC426
R15
20 k
Ω
+5V
C16
R16
100 nF
20 k
Ω
7
3+
U3
8
6
2-
5
4
CLC426
R17
20 k
Ω
R18
51
Ω
C15
100 nF
R19
51
Ω
C17
100 nF
50
Ω µ
strip
50
Ω µ
strip
R10 R9 R8
1M 1M 1M
J3
FCLK
J5
IOUT
-5V
J6
QOUT
-5V
J4
LO IN
7
Rev A4 010918
7-49
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