CMU Hardware Interfaces 
1100.4903.12 8.17  E-8 
IF3 Connectors (CMU200 with Option CMU-B17 only) 
Four BNC connectors provide the inputs and outputs for IF signals (option CMU-B17). The BNC shield 
of all these connectors is connected to GND. The remaining specifications are as follows:  
 
IF3 RX CH1 IN
IF3 RX CH1 OUT
IF3 TX CH1 IN
IF3 TX CH1 OUT
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Fig. 8-18  IF3 connectors  
 
 
Connector Function 
IF3 RX CH1 IN  IF input,  RX  path,  
f= 7,68 MHz or 10,7 MHz;  
max level +2 dBm PEP;  
impedance 50 Ohm 
IF3 RX CH1 OUT  IF output, RX  path,  
f= 7,68 MHz or 10,7 MHz;  
max level +4 dBm PEP;  
impedance 50 Ohm 
IF3 TX CH1 IN  IF input, TX  path,  
f= 15,36 MHz or 13,85 MHz; 
max level +3 dBm PEP for WCDMA,  
max level –5 dBm for GSM;  
impedance 50 Ohm 
IF3 TX CH1 OUT  IF output, TX  path,  
f= 15,36 MHz or 13,85 MHz;  
max level +3 dBm PEP for WCDMA,  
max level –5 dBm for GSM; 
impedance 50 Ohm