RF9957 Datasheet, PDF (7/10 Pages) RF Micro Devices – CDMA/FM RECEIVE AGC AND DEMODULATOR

RF9957
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
P1-1
P1-1
P1-3
P1
1 PD
2 GND
3 VCC
P2-1
P2-3
P2
1 GC
2 GND
3 IN SEL
P3-1
P3-3
P3
1 +5 VDC
2 GND
3 -5 VDC
C26
100 nF
C25
100 nF
R13
36 kΩ
R15
1 kΩ
P2-1
P1-3
J1
CDMA
50 Ω µstrip
T1
1
C5
13 pF
C6
13 pF
C2
10 µF
C1
10 nF
C3
10 nF
C4
R1
10 nF 680 Ω
1 VCC1
2 VCC2
3 VCC3
4 CDMA IN+
5 CDMA IN-
PD 24
GC 23
I OUT- 22
I OUT+ 21
GND 20
C30
100 nF
C31
100 nF
L4 390 nH
R9
820 Ω
R8
4.3 kΩ
R12
1.6 kΩ
C21
100 nF
3
2
+
-
V7
+
V-
4
CLC426/
CL6
U2
R11
51 Ω
P1-3
R10
8.2 kΩ
C23
100 nF
C22
10 µF
50 Ω µstrip
C24
10 µF
P3-1
J5
I OUT
P3-3
L2
390 nH
L1
390 nH
6 GND
FL+ 19
C20 6.8 pF
L5 390 nH
C27
4.6 nF
J2
50 Ω µstrip
FM
C8
9.1 pF
L3
330 nH
C7
20 pF
R14
3 kΩ
C9 10 nF
C10 10 nF
7 GND
8 FM IN+
9 FM IN-
10 BG OUT
FL- 18
GND 17
Q OUT+ 16
C19 6.8 pF
R4
820 Ω
R5
1.6 kΩ
C17
100 nF
R7
C18
10 µF
P3-1
7
Q OUT- 15
C28
100 nF
R3
4.3 kΩ
3
2
+
-
V7
+
V-
4
CLC426/
CL6
U1
51 Ω
50 Ω µstrip
J4
Q OUT
J3
50 Ω µstrip
LO
T2
1
C11 10 nF
C12 1 nF
R2
270 Ω
11 DEC
12 LO-
IN SEL 14
LO+ 13
C29
100 nF
R6
8.2 kΩ
C15
100 nF
C16
10 µF
P3-3
P2-3
C13
1 nF
9957400 Rev B
C14
100 nF
Rev C11 010622
7-33