User Manual

NOTCHCELL 20W OPERATING MANUAL
R-tron America, Inc. Page: 30 / 57
4.1.2 Isolation Check using Isolation Check Menu
Notchcell 20Watt repeater isolation can be checked in the field without signal generator
and spectrum analyzer. Details are as followings.
1. Generate CW signal, using band guard pilot generator up link path(Repeater output
power : 30dBm)
2. Check power value which CW signal feeds back from donor to distributor antenna.
3. Isolation value = measured power value + output value 30 dBm
4. See more detailed measurement procedures at chapter 5.5.6 Isolation checking.
Figure 4.2 Isolation Check Block Diagram