Op-amp voltage offset cancellation

Combination of one fast op-amp with large slew rate and large voltage offse t with one op-amp with small slew rate and small voltage offset and low pas
s filter can be used for amplification input AC signal on high frequencies without problem that amplifier can be saturated due to voltage offset prese nce.
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http://www.cirvirlab.com/index.php/electronic/166-op-amp-current-offset-op- amp-voltage-offset-and-op-amp-slew-rate.html
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