cxm3524er Sony Electronics, cxm3524er Datasheet - Page 27

• Manufacturer Part Number: cxm3524er
• Description: 3p10t Antenna Switch For Gsm/umts Dual Mode Phones
• Manufacturer: Sony Electronics

Recommended Circuit
GSM1800Rx
GSM1900Rx
GSM850Rx
GSM900Rx
Tx1
V
DD
(Cbypass)
∗
∗
∗
1
2
3
When the DC level of the connected device is GND or open, no DC blocking capacitors are required.
The DC level of each RF pin is GND.
Cbypass: This capacitor is used for DC line bypass (100pF is recommended.)
18
19
20
21
22
23
24
25
26
27
GND
Tx1
GND
GND
GSM850Rx
GSM900Rx
GSM1800Rx
GSM1900Rx
GND
V
GND
Tx2
DD
17
28
(Cbypass) (Cbypass) (Cbypass) (Cbypass) (Cbypass) (Cbypass)
CTLA
16
29
15
30
- 27 -
22pF
Ext
14
31
22nH
CTLD
13
32
CTLE
12
33
UMTS800M
UMTS1.7G
UMTS1.5G
UMTS2G
7pF
GND2-2
GND1-2
GND1-1
CTLG
CTLF
Ant2
GND
Ant1
11
34
22nH
10
9
8
7
6
5
4
3
2
1
(Cbypass)
33nH
15pF
CTLG
Ant1
UMTS800M
UMTS2G
UMTS1.7G
UMTS1.5G