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Video amp offers analogue HD video output

Posted: 25 Jan 2008     Print Version  Bookmark and Share

Keywords:video amplifier  Blu-ray  HD DVD  analog video output 


New Japan Radio Co. Ltd has released the NJM2583A, a high-definition (HD) signal-compatible 6ch video amplifier that is ideal at handling analogue video output for devices such as Blu-ray and HD DVD players and digital tuners.

NJR developed the NJM2583 as the rapid advance of AV devices toward the high-definition era raises demand for HDMI ports and built-in analogue HD signal output ports.

Consisting of 6dB video amplifier, 75Ω driver, and LPF (Low Pass Filter) for eliminating noise from the DAC, the NJM2583A is capable of component video output (D port) for HD images, as well as composite video output and S video output. The amplifier thereby integrates the features required for a Blu-ray or HD DVD player?s analogue video output function in a single chip.

The HD signal-compatible 6ch video amplifier (NJM2566A) required a 470µF-1,000µF condenser in the output section, but the sag correction feature of the NJM2583A allowed for a smaller capacity condenser, realising a downsized mounting board.

NJM2583A features three built-in 30MHz cutoff frequency LPFs, allowing for HD picture signal up to D4 (1,080i) level, as well as sag correction feature that downsizes external condenser for output and saves space.

Housed in SSOP32, samples of the NJM2583A video amplifier are now available.

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