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MAX2104 - Direct-Conversion Tuner IC

General Description

The MAX2104 low-cost direct-conversion tuner IC is designed for use in digital direct-broadcast satellite (DBS) television set-top box units.

Its direct-conversion architecture reduces system cost compared to devices with IF-based architectures.

Key Features

  • MAX2104.

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
MAX2101 6-Bit Quadrature Digitizer
MAX2102 Direct-Conversion Tuner ICs for Digital DBS Applications
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-1431; Rev 3; 12/01 Direct-Conversion Tuner IC for Digital DBS Applications General Description The MAX2104 low-cost direct-conversion tuner IC is designed for use in digital direct-broadcast satellite (DBS) television set-top box units. Its direct-conversion architecture reduces system cost compared to devices with IF-based architectures. The MAX2104 directly converts L-band signals to baseband signals using a broadband I/Q downconverter. The operating frequency range extends from 925MHz to 2175MHz. The IC includes an LNA gain control, I and Q downconverting mixers, lowpass filters with gain control and frequency control, a local oscillator (LO) buffer with a 90° quadrature network, and a charge-pump based PLL for frequency control.