Stabilized_wideband_cable_driving_amplifier_with_low_input_capacitance

Published:2009/7/22 22:32:00 Author:Jessie | From:SeekIC

This circuit has over 20 MHz of small-signal bandwidth driving 100-mA loads, capacitance or cable. Input capacitance is below 1.5 pF and bias current is about 100 pA. The output is fully protected, making the amplifier ideal as a video A/D input buffer or as a cable driver. The amplifier also permits wideband probing when scope probe loading is not tolerable. Figure 3-13B shows large-signal performance at a gain of 10, driving 10 feet of cable. A fast input pulse (trace A) produces the output shown (trace B).



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