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CLC5903 - Dual Digital Tuner / AGC

Datasheet Summary

Description

The CLC5903 block diagram is shown in Figure 2.

The CLC5903 contains two identical digital down-conversion (DDC) circuits.

Features

  • 78MSPS Operation Low Power, 145mW/channel, 52 MHz, Dec=192 Two Independent Channels with 14-bit inputs Serial Daisy-chain Mode for quad receivers Greater than 100 dB image rejection Greater than 100 dB spurious free dynamic range 0.02 Hz tuning resolution User Programmable AGC with enhanced Power Detector Channel Filt.

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Datasheet Details

Part number CLC5903
Manufacturer National Semiconductor
File Size 698.87 KB
Description Dual Digital Tuner / AGC
Datasheet download datasheet CLC5903 Datasheet
Additional preview pages of the CLC5903 datasheet.

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Full PDF Text Transcription

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CLC5903 Dual Digital Tuner / AGC June 2004 N 0 0 Na t i on a l S e m i c o n du c t o r CLC5903 Dual Digital Tuner / AGC General Overview The CLC5903 Dual Digital Tuner / AGC IC is a two channel digital downconverter (DDC) with integrated automatic gain control (AGC). The CLC5903 is a key component in the Enhanced Diversity Receiver Chipset (EDRCS) which includes one CLC5903 Dual Digital Tuner / AGC, two CLC5957 12-bit analog-to-digital converters (ADCs), and two CLC5526 digitally controlled variable gain amplifiers (DVGAs). This system allows direct IF sampling of signals up to 300MHz for enhanced receiver performance and reduced system costs. The CLC5903 is an enhanced replacement for the CLC5902 in the Diversity Receiver Chipset (DRCS).
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