User Manual

TX Spectral Purity Transmit Mask Acceptance Test – continued

SC4812ET BTS Optimization/ATP — CDMA LMF

Jan 2002

4-8

Figure 4-1: TX Mask Verification Spectrum Analyzer Display

– 900 kHz

+ 900 kHz

Center Frequency

Reference

Attenuation level of all

spurious and IM products

with respect to the mean

power of the CDMA channel

.5 MHz Span/Div

Ampl 10 dB/Div

Mean CDMA Bandwidth

Power Reference

+750 kHz

+ 1980 kHz

– 750 kHz

– 1980 kHz

FW00282