A manufacturing error causes an internal node of a
Chapter 1, Problem 1.72(choose chapter or problem)
A manufacturing error causes an internal node of a high-frequency amplifier whose Thvenin-equivalent node resistance is 100 k to be accidentally shunted to ground by a capacitor (i.e., the node is connected to ground through a capacitor). If the measured 3-dB bandwidth of the amplifier is reduced from the expected 6 MHz to 120 kHz, estimate the value of the shunting capacitor. If the original cutoff frequency can be attributed to a small parasitic capacitor at the same internal node (i.e., between the node and ground), what would you estimate it to be?
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