cxm3512eq Sony Electronics, cxm3512eq Datasheet - Page 10

• Manufacturer Part Number: cxm3512eq
• Description: Sp9t Gsm/umts Dual Mode Antenna Switch
• Manufacturer: Sony Electronics

Recommended Circuit 1
GSM (4 bands)/UMTS (3 bands)
RX4
RX3
RX2
RX1
C10 ∗
C7 ∗
C8 ∗
C9 ∗
1
1
1
1
∗
∗
∗
1
2
3
14
15
16
17
18
19
20
21
22
23
Capacitors are required on all RF ports for DC blocking.
C11 to C15 are not mandatory.
L1 inductor (56nH) is recommended on Ant port for ESD protection.
Recommended capacitance is as follows.
GND
GND
NC
GND
Rx4
Rx3
Rx2
Rx1
GND
GND
56pF for 800 to 960MHz signal
33pF for 1700 to 2200MHz signal
C11
100pF
24
13
C12
100pF
C6
56pF
25
C13
100pF
26
CXM3512EQ
C14
100pF
- 10 -
12
IC
27
C15
100pF
28
29
11
30
C5
33pF
TRx3
TRx2
TRx1
GND
GND
GND
GND
GND
ANT
NC
10
9
8
7
6
5
4
3
2
1
C4
56pF
C1 ∗
C3 ∗
1
1
L1
56nH
TRX3
TRX2
TRX1
ANT