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Figure 1-6
RF Generation Path Overview
Signal Generator Synthesizer
1 MHz from
Reference
Assembly
div/n
FM Mod. from
Mod. Dist.
Spec. Analyzer
Sweep
500-1000 MHz
Output Assembly
500-1000 MHz
div/2
1 GHz from Reference Assembly
500-1000 MHz
Cell Site
4 channels of
Digital 1
I&Q data
Protocol
Processor
Cell Site
1 channel of
Digital 2
I&Q data
(main band)
250-500 MHz
Amplitude
Modulator
(÷2 band)
250 kHz-250 MHz
(downconverted band)
RF Amplitude
Adjust from
Host Controller
IQ Modulator Assembly
I/Q Modulator
AWGN (Noise) from
CDMA Reference
ADC &
Analog Cell Site
Summing
RF
Amp
Automatic
Level Control
AM from Mod.
Distribution Assembly.
Introduction
Product Description
Upconverter Assembly
RF I/O Assembly
Variable Step
Attenuator
DUPLEX
OUT
RF IN/OUT
To the Receiver
Assembly
35
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Table of Contents
Troubleshooting
