Installation Guide

Litenna  Installation Guide Required Equipment
Foxcom Wireless Proprietary Information Document No. 42-93-005-23D 17
Gain/IP3 Test
To carry out the Gain/IP3 Test, the following procedure needs to be carried out.
1. Set the 2 tone signal from the 2 signal generators.
RF signals F1 and F2 should be according to Product Spec.
2. Combine the signals with ZAPD-21 combiner or equivalent.
3. Connect the 2-tone signal to the input of the base (see Figure 10).
4. Set Spectrum Analyzer to:
Video BW 10khz
RBW 100khz
Attenuation 20db
Span 30Mhz
Center freq. Refer to
Product Spec.
Ref level 10dbm
5. Connect RF cable from the RHU output to the Spectrum Analyzer.
6. Measure output Gain/IP3 from all test RHUs DownLink outputs.
7. IP3 is determine by:
IP3= power tone + (power tone – powerM3)/2.