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ISL6336B - 6-Phase PWM Controller with Light Load Efficiency Enhancement and Current Monitoring - The ISL6336B controls microprocessor core voltage regulation by driving up to 6 interleaved synchronous-rectified buck channels in parallel. Multiphase buck converter architecture uses interleaved timing to multiply channel ripple frequency and reduce input and output ripple currents. Lower ripple results in fewer components, lower component cost, reduced power dissipation, and smaller implementation area.�

Introducing MASTR IV TETRA Base Station

Introducing MASTR IV TETRA Base Station

Tyco Electronics announced today that its Wireless Network Solutions business introduced the MASTR IV ("Master Four") Terrestrial Trunked Radio (TETRA) Base Station to power secure digital trunked radio communications via TETRA. The addition of the MASTR IV product extends the M/A-COM MASTR series and marks the first MASTR product to facilitate the TETRA air interface with the VIDA (Voice, Interoperability, Data and Access) network platform. [Read more...]

ZL38004

07.06.2006 07:47 - Source: Zarlink Semiconductor

A full Design Manual is available to qualified customers. To register, please send an email to VoiceProcessing@Zarlink.com.

The ZL38004 is supported by the ZLS38500 firmware pack for hands-free car kits and the ZLS38501 firmware pack for speakerphone.

Features

100 MHz (200 MIPs) Zarlink voice processor with Butterfly hardware accelerator and breakpoint/interrupt controller
Dual ΔΣ ADCs with input buffer gain selection programmable to either 8 or 16 kHz sampling
Dual ΔΣ DACs with output sampling of 8, 16, 44.1 and 48 kHz and internal output driver
2048 tap Filter co-processor shared across up to 16 separate functions in 128 tap increments
Dual function Inter-IC Sound (I2S) or Secondary TDM port
Primary PCM port supports TDM (ST BUS, GCI or McBSP framing) or SSI modes at bit rates of 128, 256, 512, 1024, 2048, 4096, 8192 or 16384 Kb/sec
Separate slave (microcontroller) and master (Flash) SPI ports, maximum clock rate = 25 MHz
11 General Purpose Input/Output (GPIO) pins
Programmable tail length range from 16 ms to 256 ms
Supports AEC and LEC working in back to back mode
Up to 20 dB noise reduction for white noise and up to 30 dB for car noise
Clipping Compensation
Converges during double-talk
Programmable sidetone

Typical Applications

Hands-free car kits
Full duplex speaker-phone for digital telephone
Echo cancellation for video conferences
Intercom Systems
Security Systems

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