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← ScienceWhich 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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