General Description
The MAX2121 low-cost, direct-conversion tuner IC is designed for satellite set-top and VSAT applications. The device directly converts the satellite signals from the LNB to baseband using a broadband I/Q downconverter. The operating frequency range extends from 925MHz to 2175MHz.
FEATUREs
♦ 925MHz to 2175MHz Frequency Range
♦ Monolithic VCO
Low Phase Noise: -97dBc/Hz at 10kHz
No Calibration Required
♦ High Dynamic Range: -75dBm to 0dBm
♦ Integrated LP Filters: 123.75MHz
♦ Single +3.3V ±5% Supply
♦ Low-Power Standby Mode
♦ Address Pin for Multituner Applications
♦ Differential I/Q Interface
♦ I2C 2-Wire Serial Interface
♦ Very Small, 5mm x 5mm, 28-Pin TQFN Package
APPLICATIONs
VSATs