GE/GC864-QUAD V2 and GE864-GPS Hardware User Guide
1vv0300915 Rev.5 – 2011-10-03
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved.
Page 48 of 94
7.2.2.
Transmission line measurements
HP8753E VNA (Full-2-port calibration) has been used in this measurement session. A calibrated
coaxial cable has been soldered at the pad corresponding to GE864-QUAD V2 or GE864-GPS RF
output; a SMA connector has been soldered to the board in order to characterize the losses of the
transmission line including the connector itself. During Return Loss / impedance measurements, the
transmission line has been terminated to 50
Ω
load.
Return Loss plot of line under test is shown below: