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SD media interface chips are drop-in compatible with legacy parts

Posted: 08 May 2006 ?? ?Print Version ?Bookmark and Share

Keywords:M21202? M21204? M21205? video cable driver? video cable equalizer?

Mindspeed Technologies Inc. recently extended its broadcast video product suite with a family of standard-definition (SD) physical media-interface devices.

Mindspeed's SD broadcast-video media-interface products include the single-channel M21202 video cable driver, M21204 video cable equalizer and the M21205 video reclocker, each supporting data rates from 143Mbps to 540Mbps. The products are pin-compatible with competing legacy products.

The M21202 is a high-speed, low-power, low-jitter cable driver designed to drive SD-only serial digital video data through 75 ohm coaxial cables typically used in Society of Motion Picture and Television Engineers (SMPTE) and DVB-ASI (digital video broadcast-asynchronous serial interface) video applications.

The M21204 is designed to increase the maximum transmission distance of serial digital interface and DVB-ASI video signals across commonly-used, bandwidth-limiting 75 ohm coaxial cables. Additionally, it reduces power dissipation through the use of flexible power supply voltage operation.

The M21205 clock-and-data-recovery reclocker is designed to remove both random and inter-symbol interference jitter from the retimed data and provide a retimed data stream compliant to SMPTE and DVB-ASI serial video digital data input. The M21205 reduces power dissipation approximately 50 percent (at 3.3V supply) when compared to competing devices with further reductions possible through lower supply operation, according to the company.

Production samples are available now with volumes ramping this quarter. In OEM quantities, the M21202 single-channel SD video cable driver is $4.50, the M21204 single-channel SD video cable equalizer is $13, and the M21205 single-channel SD video reclocker is $13.

- Ismini Scouras

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