GB4551 buffer equivalent, video buffer.
* accurate clamping to within ±1mV
* ultra low differential gain (0.03% typ.) and differential phase (0.03o typ.)
* wideband unity gain, can typically be flat.
* Input buffering and DC restoration to crosspoint switches 1 2 3 4 5 6 7 8
* Accurate back porch video signal c.
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 .
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