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reference designTW3811

Renesas TW3811

Security Link Over Coax™ (SLOC™) Receiver

Overview

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IC revision1

Description

SLOC™ (Security Link Over Coax) is a transmission protocol for simultaneously transmitting analog CVBS video and digital IP video over a single coaxial cable.

The TW3811 is the receiving end of a SLOC link, converting the single SLOC signal on the coaxial cable back to separate Ethernet digital video data and analog CVBS video. It can be embedded into a DVR to enable one or more SLOC inputs or configured as a stand-alone SLOC-to-IP+CVBS converter.

The TW3811 includes an AFE, digital modem, and two Ethernet MII/RMII interfaces. The device accepts a SLOC output signal from a SLOC transmitter and decodes it into an analog CVBS signal and an Ethernet MII signal.

Features

  • Simultaneous transmission of IP
  • video data and analog CVBS video over up to 500m of RG59 coaxial cable
  • Analog CVBS video preview support
  • Proprietary adaptive analog equalizer for extending the reach of CVBS video
  • Proprietary SLOC-based IP camera detection
  • Creates a full-duplex 100BASE-T digital link
  • 36Mbps downlink speed from TW3801 to TW3811
  • 4Mbps uplink for SLOC compliance
  • Ethernet MAC MII/RMII interface for interfacing to DVR/NVR
  • network processor SoC
  • Optional Ethernet PHY MII/RMII interface for interfacing to external Ethernet PHY chip
  • I2C 2-wire control interface
  • Integrated PLL with 25MHz crystal interface
  • 1.8V, 3.3V supplies
  • 100-TQFP (12x12mm) Package

Typical applications

  • Embedded DVR
  • Multi-Channel SLOC receiver modem
  • Single-Channel SLOC receiver modem

More information

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Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
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744314101
SPECWE-HCI SMT Flat Wire High Current Inductor, 10 µH, 5.3 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance10 µH
Performance Rated Current5.3 A
Saturation Current @ 10%1.8 A
Saturation Current @ 30%4 A
DC Resistance33 mΩ
Self Resonant Frequency40 MHz
MaterialSuperflux 
Packaging Unit1000 
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