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GB4551 - Video Buffer

Datasheet Summary

Description

The GB4551 is a high performance video buffer with DC restore primarily used for accurate back porch clamping.

Features

  • accurate clamping to within ±1mV.
  • ultra low differential gain (0.03% typ. ) and differential phase (0.03o typ. ).
  • wideband unity gain, can typically be flattened to ±0.1dB at 30MHz www. DataSheet4U. com.

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Datasheet preview – GB4551

Datasheet Details

Part number GB4551
Manufacturer Gennum
File Size 157.46 KB
Description Video Buffer
Datasheet download datasheet GB4551 Datasheet
Additional preview pages of the GB4551 datasheet.

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Full PDF Text Transcription

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GB4551 Video Buffer with Strobed DC Restore DATA SHEET FEATURES • accurate clamping to within ±1mV • ultra low differential gain (0.03% typ.) and differential phase (0.03o typ.) • wideband unity gain, can typically be flattened to ±0.1dB at 30MHz www.DataSheet4U.com DESCRIPTION The GB4551 is a high performance video buffer with DC restore primarily used for accurate back porch clamping. The circuit features a wideband differential amplifier that can be configured as a gain stage. The output signal voltage is limited to +2V above the clamp level in order to prevent damage to crosspoints or other circuits connected to the output. The clamping action occurs when the STROBE (STB) input is taken to ground. A typical application would be for DC restoration during the back porch period.
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