User's Manual

Sprint User Manual
Digital TRI-Band Indoor Repeater
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2.2.2 Downlink Path
Downlink and Uplink Gain Budgets have similar structure.
In case of Downlink Path, RF signal is received from Donor Antenna, and through FWD division,
then the signal is transferred to IF division, where desirable Band is selected by Digital Filter.
Selected Band is transferred to RF division again, and through FWD HPA, after that the signal is
transmitted to User through Server Antenna.
CDMA is used two attenuators for AGC compensation. AGC attenuation range of CDMA is 40dB.
AGC attenuation range of iDEN 800/900 is 30dB.