User Guide

CCS Technical Documentation
Company confidential RH-20
Issue 1 10/2003 Nokia Corporation. Page 25
Figure 19: GSM1900 RX I or Q signal (trace2), burst mode.
GSM1900 receiver burst mode I or Q signal at ch 661 with input signal 1960.067MHz,
level –90 dBm at RF-connector.
Trace2: With wider time scaling both monitoring and own RX bursts are seen, 1
st
burst
(shorter) is monitoring and 2
nd
burst (longer) is own RX burst.
Trace1: External LNA VCC supply voltage at burst mode, input level –90 dBm. Measured
from testpoint LNA_VCC.