rf9957 RF Micro Devices, rf9957 Datasheet - Page 6

• Manufacturer Part Number: rf9957
• Description: Cdma/fm Receive Agc And Demodulator
• Manufacturer: RF Micro Devices

7
7-32
RF9957
CDMA IN+
CDMA IN-
FM IN+
SAW Filter
CDMA
680
10 nF
Applicat ion Schemat ic
10 nF
10 nF
10 nF
10 nF
1 nF
V
CC
10
11
12
1
2
3
4
5
6
7
8
9
VCC1
VCC2
VCC3
CDMA IN+
CDMA IN-
GND
GND
FM IN+
FM IN-
BG OUT
DEC
LO-
Q OUT+
Q OUT-
I OUT+
IN SEL
I OUT-
GND
GND
LO+
FL+
GC
FL-
PD
24
23
22
21
20
19
18
17
16
15
14
13
100 nF
100 nF
100 nF
100 nF
1 nF
100 pF
390 nH
390 nH
7 pF
7 pF
10 nF
37 k
100 pF
V
CC
Power Down
Gain Control
I OUT-
I OUT+
Q OUT+
Q OUT-
Input Select
LO IN
10 nF
Rev C11 010622