User's Manual Part 2

RBS 2308 and RBS 2309 User’s Guide
Table 18 Start and Stop Frequencies
System Start Freq. (MHz) Stop Freq. (MHz)
GSM 800
800 1000
GSM 900
800 1000
GSM 1800
1700 1900
GSM 1900
1800 2000
6.2.2 Performing Calibration
This s ection describes how to perform the calibration of the Site Master.
To calibrate the Site Master, a Precision Open/Short/Load is needed; this is
shown in the figure below.
P009530A
Test Port Extension Cable
M
O
D
E
2
3
4
5
6
7
8
9
0
Site Master
F
R
EQ
/D
IST
A
M
PL
ITU
D
E
S
W
EEP
Load
Short
Open
3
1
2
Figure 37 Connecting the Open/Short/Load
For correct calibration results, ensure that the Open/Short/Load is connected
at the end of the Test Port Extension Cable, at the same point where the test
object is to be connected.
1. Connect the Test Port Extension cable.
2. Ensure that the correct frequency range is selected.
3. Press the START CAL key.
4. Connect the “Open” and press ENTER. Wait for the measurement to be
completed.
9
1
EN
/LZT 720 0027 Uen R8A 2006-06-27