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MAX2120 - Direct-Conversion Tuner

Description

The MAX2120 low-cost, direct-conversion tuner IC is designed for satellite set-top and VSAT applications.

The IC is intended for QPSK, Digital Video Broadcast (DVB-S), DSS, and free-to-air applications.

Features

  • es 925MHz to 2175MHz Frequency Range Monolithic VCO: No Calibration Required -75dBm to 0dBm High Dynamic Range 4MHz to 40MHz Integrated Variable BW LP Filters Single +3.3V ±5% Supply Low-Power Standby Mode Multiple 2-Wire Addresses for Multituner.

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Full PDF Text Transcription

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www.DataSheet4U.com 19-0832; Rev 0; 6/07 KIT ATION EVALU E L B AVAILA Complete, Direct-Conversion Tuner for DVB-S and Free-to-Air Applications General Description The MAX2120 low-cost, direct-conversion tuner IC is designed for satellite set-top and VSAT applications. The IC is intended for QPSK, Digital Video Broadcast (DVB-S), DSS, and free-to-air applications. The MAX2120 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. The device includes an LNA and an RF variable-gain amplifier, I and Q downconverting mixers, and baseband lowpass filters with programmable cutoff frequency control and digitally controlled baseband variable-gain amplifiers.
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