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MAX2105 - Direct-Conversion Tuner ICs for Digital DBS Applications

General Description

The MAX2102/MAX2105† are low-cost direct-conversion tuner ICs designed for use in digital direct-broadcast satellite (DBS) television set-top box units.

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

Key Features

  • o Low-Cost Bipolar Design, Lowest Cost Architecture o Operate from a Single +5V Supply o 950MHz to 2150MHz Input Frequency Range.
  • o On-Chip Quadrature Generator, Dual-Modulus Prescaler (/64, /65) o Input Levels -69dBm to -19dBm per Carrier (MAX2102) -60dBm to -19dBm per Carrier (MAX2105) o Over 50dB AGC Control Range (MAX2102) o Noise Figure = 13.2dB (MAX2102); IP3 = 6.5dBm (at 1450MHz) o Automatic Baseband Offset Correction o Easy Interface to MAX1002/MAX1003 Dual ADC and Popular Baseband I.

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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
MAX2104 Direct-Conversion Tuner IC
MAX2106 DBS Direct Downconverter
MAX2108 Direct-Conversion Tuner IC

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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19-1256; Rev 2; 10/98 NUAL KIT MA ATION U EET L H A S V E S DATA W O L L FO Direct-Conversion Tuner ICs for Digital DBS Applications ____________________________Features o Low-Cost Bipolar Design, Lowest Cost Architecture o Operate from a Single +5V Supply o 950MHz to 2150MHz Input Frequency Range* o On-Chip Quadrature Generator, Dual-Modulus Prescaler (/64, /65) o Input Levels -69dBm to -19dBm per Carrier (MAX2102) -60dBm to -19dBm per Carrier (MAX2105) o Over 50dB AGC Control Range (MAX2102) o Noise Figure = 13.2dB (MAX2102); IP3 = 6.