
2V Control, Dual -Mode WCDMA & Dual-Band GSM/DCS Tx/Rx Switch  
ELECTRICAL CHARACTERISTICS: 
Test Conditions: VDD = 2.5V, Vctrl =2.0V, T
A
 = +25
°
C 
Mode 
Specifications               
ANT2 -> GSMRX      
ANT1 -> UMTS Tx 
ANT1 -> UMTS Rx 
Insertion Loss  
Isolation ANT1 to DCS Tx   
Isolation ANT2 to GSM Tx    
Isolation UMTS to DCS Rx     
Isolation UMTS to GSM Rx    
Isolation UMTS to GSM Tx  
Isolation DCS Tx to DCS Rx  
Isolation DCS Tx to GSM Rx  
Isolation GSM Tx to DCS Rx   
Isolation GSM Tx to GSM Rx    
      SW-488 
V1.2 
The Preliminary Specifications Data Sheet Contains Typical Electrical Specifications Which May Change Prior to Final Introduction
. 
M/A-COM, Inc. 
North America:   Tel. (800) 366-2266       
     Asia/Pacific:   Tel. +81 3 3263-8761        
      Europe: 
                           Fax (800) 618-8883                                     Fax +81 3 3263-8769 
2 
Tel. +44 (1344) 869-595 
Fax +44 (1344) 300-020 
Freq. (MHz) 
925 -960 
1920-1980 
2110-2170 
1710-1785 
880 – 915 
1920 –1980 
1920 –1980 
1920 –1980 
1710 – 1785 
1710 – 1785 
880 – 915 
880 - 915 
Units 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
Mn. 
0.54 
0.65 
0.7 
22 
15 
30 
30 
30 
30 
30 
30 
 15 
0.74 
20 
10 
20 
30 
30 
30 
Typ. 
0.6 
0.7 
0.75 
22 
15 
30 
30 
30 
30 
30 
30 
15 
Max. 
0.7 
0.9 
0.95 
22 
15 
30 
30 
30 
30 
30 
30 
15 
Insertion Loss  
Insertion Loss  
ANT1 -> DCS RX 
Insertion Loss  
Isolation ANT1 to DCS Tx  
Isolation ANT2 to GSM Tx  
Isolation DCS Tx to DCS Rx  
Isolation DCS Tx to GSM Rx  
Isolation GSM Tx to DCS Rx  
Isolation GSM Tx to GSMRx  
1805 -1880 
1710 – 1785 
880 – 915 
1710 – 1785 
1710 – 1785 
880 – 915 
880 - 915 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
0.8 
20 
10 
20 
30 
30 
30 
0.3 
30 
30 
25 
30 
30 
0.9 
20 
10 
20 
30 
30 
30 
ANT2 -> GSM TX 
Insertion Loss 
Isolation GSM Tx to UMTS  
Isolation GSM Tx to DCS Rx  
Isolation GSM Tx to GSM Rx  
Isolation DCS Tx to DCS Rx  
Isolation DCS Tx to GSM Rx  
880 – 915 
880 – 915 
880 – 915 
880 – 915 
1710 – 1785 
1710 – 1785 
dB 
dB 
dB 
dB 
dB 
dB 
0.24 
30 
30 
25 
30 
30 
0.54 
20 
30 
30 
30 
30 
-84 
-79 
2.0 
2.0 
-0.2 
0.4 
30 
30 
25 
30 
30 
0.7 
20 
30 
30 
30 
30 
-70 
-65 
4.0 
4.0 
0.2 
ANT1 -> DCS TX 
Insertion Loss 
Isolation DCS Tx to UMTS 
Isolation DCS Tx to DCS Rx   
Isolation DCS Tx to GSM Rx  
Isolation GSM Tx to DCS Rx  
Isolation GSM Tx to GSM Rx  
1710 –1785 
1710 –1785 
1710 –1785 
1710 –1785 
880 – 915 
880 – 915 
dB 
dB 
dB 
dB 
dB 
dB 
0.6 
20 
30 
30 
30 
30 
2nd Harmonics  
3rd Harmonics 
Supply Voltage 
High Control Voltages 
Low Control Voltages 
1. 
DC blocking capacitors are required on all RF and shunt ports. 
2. 
All impedances are 50 ohms
See attached data 
See attached data 
dBc 
dBc 
Volts 
Volts 
Volts 
-80 
-76 
2.5 
2.5 
0