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Description

The Si21602C integrates two separate high-performance digital

demodulators for the DVB-C2/C, DVB-T, DVB-S2/S and DVB-S2X

standards into a single compact package. Leveraging Skyworks'

proven digital demodulation architecture, the Si21602C achieves

excellent reception performance for each media while significantly

minimizing front-end design complexity, cost, and power

dissipation. Connecting the Si21602C to both a dual

terrestrial/cable TV tuner, and a dual satellite tuner, results in a

high-performance and cost optimized TV front-end solution.

Skyworks' internally developed DVB-C2 demodulator can accept a

standard IF (36 MHz) or low-IF input (differential) and support all

modes specified by the DVB-C2 standard. The main features of

the DVB-C2 mode are 4096-QAM, 6 or 8 MHz bandwidth,

management of notch insertion (broadband and narrowband), and

support of multiple data slices and PLPs.

The DVB-T and DVB-C, including ITU-T J.83 annex B,

demodulators are enhanced versions of proven and broadly used

Si2164/67/68/69 Skyworks devices.

The satellite reception allows demodulating widespread DVB-S,

DIRECTV? (DSS), DVB-S2, DIRECTV? (AMC) legacy

standards, and new Part II of DVB-S2 (S2X) satellite broadcast

standard. A zero-IF interface (differential) allows for a seamless

connection to market proven satellite silicon tuners. It also

integrates two DiSEqC? 2.0 LNB interfaces for satellite dish

control and, for each satellite demodulator, an equalizer to

compensate for echoes in long cable feeds from the LNB to the

satellite tuner RF input.

The Si21602C offers an on-chip blind scanning algorithm for DVBS/

S2/S2X and DVB-C standards, as well as blind lock function.

The Si21602C embeds two independent programmable transport

stream interfaces which provide a flexible range of output modes,

including a cross-bar functionality, and are fully compatible with all

MPEG decoders or conditional access modules to support any

customer application.

Features

- Pin-to-pin compatible with all dual demodulator family: Si216x2

and Si218x2

- API compatible with all single and all dual demodulators

- DVB-C2 (ETSI EN 302 769)

- 16-QAM to 4096-QAM OFDM demodulation

- DVB-T (ETSI EN 300 744)

- NorDig Unified 2.5, D-Book 8 compliant

- DVB-C (ETSI EN 300 429) / ITU-T J.83 Annex A/B/C

- 1 to 7.2 MSymbol/s, C-Book compliant

- DVB-S2 (ETSI EN 302 307-1 V1.4.1)

- QPSK/8PSK demodulator

- DVB-S2X (ETSI EN302 307-2 V1.1.1)

- QPSK/8PSK, 8/16/32APSK demodulator

- Roll-off factors from 0.05 to 0.35

- Channel bonding for TS transmission supported

- Dual DiSEqC? 2.x interface, Unicable support

- DVB-S (ETSI EN 300 421) and DSS supported

- 1 to 45 MSps for all satellite standards

(<40 MSps in 32APSK)

- I2C serial bus interfaces (master and host)

- Upgradeable with firmware patch download via fast SPI or I2C

(broadcast mode supported)

- Dual independent differential IF input for T/C tuners and differential

ZIF I/Q inputs for satellite tuners

- GPIOs and multi-purpose ports (two per demodulator)

- Separate flexible TS interfaces with serial or parallel

outputs and cross-bar feature

- Fast lock times for all standards

- Only two power supplies: 1.2 and 3.3 V

- 8x8 mm, QFN-68 pin package, Pb-free/RoHS compliant