Performance Test
CTS60
1094.0006.60
10.4
E-1
10.1.4
Functional Check of DECT Mode
1) Transmitter frequency accuracy
•
Measure tx frequency at connector RF OUT 2 DECT with frequency counter, power 0 dBm
•
Common cmdd settings:
-> sc 2
-> tx 75
cmdd setting
output
frequency
tolerance
-> mod_set_sig 18 0 0
RF OUT 2 DECT
1876.608 MHz
< +- 90 Hz
-> mod_set_sig 0 0 0
RF OUT 2 DECT
1897.344 MHz
< +- 90 Hz
-> mod_set_sig -2C 0 0
RF OUT 2 DECT
1935.360 MHz
< +- 90 Hz
2) RF IN/OUT transmitter frequency response
•
Measure output power at connector RF IN/OUT with power meter, expected power -40 dBm
•
Common cmdd settings
-> sc 0
-> tx 0
cmdd setting
frequency
level
tolerance
-> mod_set_sig 18 0 0
1876.608 MHz
-40 dBm
< +- 1.5 dB
-> mod_set_sig 0 0 0
1897.344 MHz
-40 dBm
< +- 1.5 dB
-> mod_set_sig -2C 0 0
1935.360 MHz
-40 dBm
< +- 1.5 dB
3) RF IN/OUT transmitter level, step attenuator
•
Measure output power at connector RF IN/OUT with spectrum analyzer,
expected power -40 dBm to -100 dBm
•
Common cmdd settings
-> sc 0
cmdd setting
frequency
level
tolerance
-> mod_set_sig 0 0 0
-> tx 0
1897.344 MHz
-40 dBm
< +- 1.5 dB
-> tx 100
1897.344 MHz
-50 dBm
< +- 1.5 dB
-> tx 200
1897.344 MHz
-60 dBm
< +- 1.5 dB
-> tx 300
1897.344 MHz
-70 dBm
< +- 1.5 dB
-> tx 400
1897.344 MHz
-80 dBm
< +- 1.5 dB
-> tx 500
1897.344 MHz
-90 dBm
< +- 1.5 dB
-> tx 550
1897.344 MHz
-95 dBm
< +- 1.5 dB
-> tx 600
1897.344 MHz
-100 dBm
< +- 1.5 dB
-> mod_set_sig 18 0 0
-> tx 600
1876.608 MHz
-100 dBm
< +- 1.5 dB
-> mod_set_sig -2C 0 0
-> tx 600
1935.360 MHz
-100 dBm
< +- 1.5 dB
