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TDA10021HT

NXP
Part Number TDA10021HT
Manufacturer NXP
Description DVB-C channel receiver
Published Apr 23, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET TDA10021HT DVB-C channel receiver Product specification Supersedes data of 2000 Jun 21 F...
Datasheet PDF File TDA10021HT PDF File

TDA10021HT
TDA10021HT


Overview
INTEGRATED CIRCUITS DATA SHEET TDA10021HT DVB-C channel receiver Product specification Supersedes data of 2000 Jun 21 File under Integrated Circuits, IC02 2001 Oct 01 Philips Semiconductors Product specification DVB-C channel receiver FEATURES • 4, 16, 32, 64, 128 and 256 Quadrature Amplitude Modulation (QAM) demodulator (DVB-C compatible: ETS 300-429/ITU-T J83 annex A/C) • High performance for 256 QAM, especially for direct IF applications • On-chip 10-bit Analog-to-Digital Converter (ADC) • On-chip Phase-Locked Loop (PLL) for crystal frequency multiplication (typically 4 MHz crystal) • Digital downconversion • Programmable half Nyquist filter (roll off = 0.
15 or 0.
13) • Two Pulse Width Modulated (PWM) AGC outputs with programmable take over point (for tuner and downconverter control) • Clock timing recovery, with programmable 2nd-order loop filter • Variable symbol rate capability from SACLK/64 to SACLK/4 (SACLK = 36 MHz maximum) • Programmable anti-aliasing filters • Full digital carrier recovery loop • Carrier acquisition range up to 18% of symbol rate • Integrated adaptive equalizer (linear transversal equalizer or decision feedback equalizer) • On-chip Forward Error Correction (FEC) decoder (de-interleaver and RS decoder) and fully DVB-C compliant • DVB compatible differential decoding and mapping • Parallel and serial transport stream interface simultaneously • I2C-bus interface, for easy control • CMOS 0.
2 µm technology.
APPLICATIONS • Cable set-top boxes • Cable modems • MMDS (ETS 300-749) set-top boxes.
ORDERING INFORMATION TYPE NUMBER TDA10021HT PACKAGE NAME TQFP64 DESCRIPTION GENERAL DESCRIPTION TDA10021HT The TDA10021HT is a single-chip DVB-C channel receiver for 4, 16, 32, 64, 128 and 256 QAM modulated signals.
The device interfaces directly to the IF signal, which is sampled by a 10-bit ADC.
The TDA10021HT performs the clock and the carrier recovery functions.
The digital loop filters for both clock and carrier recovery are programmable in order ...


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