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Part Name(s) : MB86626 MB86626PFV DK86626-2 Fujitsu
Fujitsu
Description : KeyWave™ AFE ADSL Analog Front End View

KeyWave™ AFE ADSL Analog Front End

The Fujitsu MB86626 KeyWave™AFE ADSL Analog Front End is a complete Analog Front End for ADSL Modems. The device integrates high resolution Analog to digital converters (ADC) and digital to Analog converters (DAC), and combined with active filtering significantly reduces the requirements placed on external components. The architecture supports both Analog and digital echo cancellation (EC). The MB86626 KeyWave™AFE is ideal for cost sensitive Remote Terminal (RT) and power sensitive Central Office (CO) equipment.

FEATURES
• Integrates all active circuits except transmit line driver
• Programmable for G.dmt (1 channel) or G.lite (2 channel)
• Low power, 3.3V operation - from 235mW/ch (2 channel CO G.lite) to 525mW (RT G.dmt)
• Integrated filters and 15-bit A/D & D/A converters
• 0 to +38 dB AGC range for receive channel
• Supports Analog and digital echo cancellation
• Excellent SFDR and input noise
• 0.35µm CMOS technology with Triple Well
• Industrial temperature range (-40 °C to +85 °C)

APPLICATIONS
• ADSL Modems
• Programmable for several DSL variants (e.g. G.dmt, G.lite and G.Shdsl)
• Single solution for both CO and RT
• FDM and echo cancelling systems
• Co-exists with ISDN
Analog Modem function using second channel (RT G.lite)

Part Name(s) : Z02215 Z0221524VSCR50A5 Z0221524ASCR50A5 Z0221524AECR50A5 Zilog
Zilog
Description : Single Chip Modem with Integrated Controller, Data Pump, and Analog Front End View

General Description
The Z02215 is a synchronous single-chip V.22bis Modem capable of 2400 bps full-duplex over dial-up lines. It is a full-featured, self-controlled Modem that includes a Modem controller, DSP, and Analog Front End (AFE) functions. This device is specifically designed for use in embedded Modem applications where space, performance, and low-power consumption are key requirements.
   
Operating over the Public Switched Telephone Network (PSTN), the Z02215 meets the Modem standards for V.22bis, V.22, V.23 (Minitel), V.21, Bell 212A, Bell 202, Bell 202T, and Bell 103.
   
A typical Modem can be created by simply adding a phone- line interface (DAA), and DTE interface.
   
All modulation, demodulation, filtering, Analog to Digital (A/D), and Digital to Analog (D/A) conversion functions for transmission and reception are provided onchip. Automatic compromise equalizers are included to optimize performance over a wide range of line types.
   

Part Name(s) : AD9873 AD9873-EB AD9873JS ADI
Analog Devices
Description : Analog Front End Converter for Set-Top Box, Cable Modem View

GENERAL DESCRIPTION
The AD9873 integrates a complete 232 MHz quadrature digital transmitter and a multichannel receiver with four high performance Analog-to-digital converters (ADC) for various video and digital data signals. The AD9873 is designed for cable Modem set-top box applications, where cost, size, power dissi pation, and dynamic performance are critical attributes. A single external crystal is used to control all internal conversion and data processing cycles.

FEATURES
Low-Cost 3.3 V CMOS Analog Front End Converter for MCNS-DOCSIS, DVB, DAVIC-Compliant Set-Top Box, Cable Modem Applications
232 MHz Quadrature Digital Upconverter
  DC to 65 MHz Output Bandwidth
  12-Bit Direct IF D/A Converter (TxDAC+®)
  Programmable Reference Clock Multiplier (PLL)
  Direct Digital Synthesis
  Interpolator
  SIN(x)/x Compensation Filter
  Four Programmable, Pin-Selectable Modulator Profiles
  Single-Tone Mode for Frequency Synthesis Applications
12-Bit, 33 MSPS Sampling Direct IF A/D Converter with Auxiliary Automatic Clamp Video Input Multiplexer
10-Bit, 33 MSPS Sampling Direct IF A/D Converter
Dual 8-Bit, 16.5 MSPS Sampling IQ A/D Converter
Two IndepEndently Programmable Sigma-Delta Converters
Direct Interface to AD8321/AD8323 PGA Cable Driver
Programmable Frequency Output
Power-Down Modes

APPLICATIONS
Cable and Satellite Systems
PC Multimedia
Digital Communications
Data and Video Modems
Cable Modem
Set-Top Boxes
Powerline Modem
Broadband Wireless Communication

Part Name(s) : AD9873 AD9873-EB AD9873JS AD
Analog Devices
Description : Analog Front End Converter for Set-Top Box, Cable Modem View

GENERAL DESCRIPTION
The AD9873 integrates a complete 232 MHz quadrature digital transmitter and a multichannel receiver with four high performance Analog-to-digital converters (ADC) for various video and digital data signals. The AD9873 is designed for cable Modem set-top box applications, where cost, size, power dissi pation, and dynamic performance are critical attributes. A single external crystal is used to control all internal conversion and data processing cycles.

FEATURES
Low-Cost 3.3 V CMOS Analog Front End Converter for MCNS-DOCSIS, DVB, DAVIC-Compliant Set-Top Box, Cable Modem Applications
232 MHz Quadrature Digital Upconverter
  DC to 65 MHz Output Bandwidth
  12-Bit Direct IF D/A Converter (TxDAC+®)
  Programmable Reference Clock Multiplier (PLL)
  Direct Digital Synthesis
  Interpolator
  SIN(x)/x Compensation Filter
  Four Programmable, Pin-Selectable Modulator Profiles
  Single-Tone Mode for Frequency Synthesis Applications
12-Bit, 33 MSPS Sampling Direct IF A/D Converter with Auxiliary Automatic Clamp Video Input Multiplexer
10-Bit, 33 MSPS Sampling Direct IF A/D Converter
Dual 8-Bit, 16.5 MSPS Sampling IQ A/D Converter
Two IndepEndently Programmable Sigma-Delta Converters
Direct Interface to AD8321/AD8323 PGA Cable Driver
Programmable Frequency Output
Power-Down Modes

APPLICATIONS
Cable and Satellite Systems
PC Multimedia
Digital Communications
Data and Video Modems
Cable Modem
Set-Top Boxes
Powerline Modem
Broadband Wireless Communication


Part Name(s) : PEB24902 PEF24902 Siemens
Siemens AG
Description : Quad ISDN Echocancellation Circuit Analogue Front End Quad IEC AFE View

Overview
The PEB 24902 Quad IEC AFE (Quadruple ISDN Echocancellation Circuit Analogue Front End) is part of a 2B1Q or 4B3T ISDN U-transceiver chip set. Up to four lines can be accessed simultaneously by the Quad IEC AFE. The Quad IEC AFE is optimized to work in conjunction with the PEB 24901 Quad IEC DFE-T and the PEB 24911 Quad IEC DFE-Q. An integrated PLL synchronizes the 15.36 MHz Master clock onto the 8 kHz or 2048 kHz PTT Clock. This specification describes the functionality for 2B1Q and 4B3T interfaces.

Features
• Digital to Analogue conversion (transmit pulse)
• Output buffering
Analogue to digital conversion
• Detection of signal on the line
• Master clock generation by PLL
• P-MQFP-64 Package
• Compliant to ANSI T1.601 (1992), ETSI ETR 080 (1995)
• JTAG boundary scan path compliant to IEEE 1149.1

Part Name(s) : AD9876 AD9876-EB AD9876BST AD9876BSTRL ADI
Analog Devices
Description : Broadband Modem Mixed-Signal Front End View

PRODUCT DESCRIPTION
The AD9876 is a single-supply broadband Modem mixed-signal Front End (MxFE) IC. The device contains a transmit path interpolation filter and DAC and a receive path PGA, LPF, and ADC supporting a variety of broadband Modem applications. Also on-chip is a PLL clock multiplier that provides all required clocks from a single crystal or clock input. The AD9876 provides 12-bit converter performance on both the Tx and Rx path.

FEATURES
Low Cost 3.3 V CMOS Mixed-Signal Front End (MxFE™)
Converter for Broadband Modems
10-/12-Bit D/A Converter (TxDAC+®)
  64/32 MSPS Input Word Rate
  2/4 Interpolating LPF or BPF Transmit Filter
  128 MSPS DAC Output Update Rate
  Wide (26 MHz) Transmit Bandwidth
  Power-Down Mode
10-/12-Bit 50 MSPS A/D Converter
  Fourth Order Low-Pass Filter 12 MHz or 26 MHz with Bypass
  –6 dB to +36 dB Programmable Gain Amplifier
Internal Clock Multiplier (PLL)
Clock Outputs
Voltage Regulator Controller
48-Lead LQFP Package

APPLICATIONS
Powerline Networking
Home Phone Networking
xDSL
Broadband Wireless
Home RF

Part Name(s) : CN7221 RS7111A RS7111A-LAN RS7112 RS7112-LAN RS7220 Conexant
Conexant Systems
Description : Home Networking Physical Layer Device with Integrated Analog Front End Circuitry View

This document describes the CN7221 Home Networking Physical Layer (PHY) with Integrated Analog Front End (AFE). It includes device pinouts, signal descriptions, and timing diagrams. The CN7221 allows home networks to operate over common telephone wires at 1 Mbps. The CN7221 simplifies system designs and improves their reliability by eliminating the need for a separate AFE comprised of discrete components.

Features
• Supports the HomePNA 1.0 specification for a home phoneline network
• 1 Mbps data rate
• Integrated Analog Front End
• Configurable transmit power level; high- and low-power
• Configurable transmit data rate; low- and high-speed
• 32-pin TQFP package

HomePNA 1.0 Specification
Features
• Meets HomePNA certification test requirements
• Uses existing phonelines, no new wires required
• Compatible with existing services
    – Internet access, voice services, and home network coexist on the same wire
• Robust protocol assures performance over poor wiring infrastructure
• FCC Part 15- and Part 68-compliant

Part Name(s) : AD9879 AD9879-EB AD9879BS AD9879BSZ ADI
Analog Devices
Description : Mixed-Signal Front End Set-Top Box, Cable Modem View

GENERAL DESCRIPTION
The AD9879 is a single-supply set-top box and cable Modem mixed-signal Front End. The device contains a transmit path interpolation filter, complete quadrature digital upconverter, and transmit DAC. The receive path contains a 12-bit ADC, a 10-bit ADC, and dual 7-bit ADCs. All internally required clocks and an output system clock are generated by the phase-locked loop (PLL) from a single crystal or clock input.
The transmit path interpolation filter provides an upsampling factor of 16× with an output signal bandwidth as high as 8.3 MHz. Carrier frequencies up to 65 MHz with 26 bits of frequency tuning resolution can be generated by the direct digital synthesizer (DDS). The transmit DAC resolution is 12 bits and can run at sampling rates as high as 232 MSPS. Analog output scaling from 0.0 dB to 7.5 dB in 0.5 dB steps is available to preserve SNR when reduced output levels are required.

FEATURES
Low cost 3.3 V MxFE™ for DOCSIS-, EURO-DOCSIS-, DVB-, DAVIC-compliant set-top box and cable Modem applications
232 MHz quadrature digital upconverter
   12-bit direct IF DAC (TxDAC+™)
   Up to 65 MHz carrier frequency DDS
   Programmable sampling clock rates
   16× upsampling interpolation LPF
   Single-tone frequency synthesis
   Analog Tx output level adjust
   Direct cable amp interface
12-bit, 33 MSPS direct IF ADC with optional video clamping input
10-bit, 33 MSPS direct IF ADC
Dual 7-bit, 16.5 MSPS sampling I/Q ADC
12-bit Σ-∆ auxiliary DAC

APPLICATIONS
  Cable Modem and satellite systems
  Set-top boxes
  Power line Modem
  PC multimedia
  Digital communications
  Data and video Modems
  QAM, OFDM, FSK modulation

 

Part Name(s) : MTC20174 MTC20174-TQ-C1 MTC20174-TQ-C1TR ST-Microelectronics
STMicroelectronics
Description : ADSL Analog Front End WITH INTEGRATED LINE DRIVER FOR CPE APPLICATIONS View

GENERAL DESCRIPTION
The MTC20174 Analog Front End (AFE) with integrated line driver is designed for DMT based ADSL CPE Modems compliant with ANSI T1.413 issue 2, ITU G.992.1 (G.dmt) and ITU G.992.2 (G.lite), for Annex A, B and C. It is intEnded to be used with the MTC20166 DMT Modem and ATM framer as part of the MTK20170 chipset, but may also be used to support other ADSL signal processors.

FEATURES
■ Fully Integrated AFE and Line Driver for ADSL
■ Overall 12 bit resolution, 1.1MHz signal bandwidth
■ 8.8 MS/s ADC
■ 8.8 MS/s DAC
■ Differential Analog I/O
■ Accurate continuous-time channel filtering
■ 5th & 4th order tunable continuous-time receive and transmit filters respectively
■ Support for multiple ADSL standards:
   – ANSI T1.413 Issue 2
   – ITU G.992.1 (G.dmt)
   – Annex A
   – Annex B (ADSL over ISDN)
   – Annex C (ADSL over ISDN SBM/DBM/ G.dmt)
   – ITU G.992.2 (G.lite)
■ Highest performance:
   – Operation up to 18 kft (26 AWG)
   – More than 8 Mbps downstream and 832 Kbps upstream up to 8 kft (26 AWG)
   – More than 3 Mbps downstream and 760 kbps upstream up to 12 kft (26 AWG)
■ 100 pin TQFP package allows high-density board design
■ Power dissipation of 900mW at 25°C, typical

APPLICATIONS
  The MTC20174 is an ADSL Analog Front-End (AFE) with integrated Line-Driver for ATU-R applications offering Annex A, B and C.

 

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