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Which consequence results when parasitic capacitance increases in a high-speed op-amp integrated circuit?

A)Reduced signal propagation bandwidth
B)Improved common-mode rejection ratio
C)Increased power supply stability
D)Lower output impedance at frequencies

💡 Explanation

Increased parasitic capacitance introduces unwanted, unintentional capacitive coupling. This occurs because the Miller effect increases capacitive load, which reduces bandwidth; therefore, signal propagation speed decreases rather than increasing its frequency stability.

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