Operational Amplifier Circuit Stability

Operational Amplifier Circuit Stability: Loop Gain and Loop Phase Shift - Consider the inverting amplifier circuit and waveforms in Fig. 15-­1(a). The signal voltage voltage (vs) is amplified by a…

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FET and BJT Difference

FET and BJT Difference: FET and BJT Difference (CS, CD, and CG Circuit Comparison) - Table 11-1 compares Zi, Zo and Av for CS, CD, and CG circuits. As already discussed, the…

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Common Gate Circuit

Common Gate Circuit: The FET Common Gate Circuit (CG) shown in Fig. 11-19 uses voltage divider bias. The ac output is taken from the drain terminal, and an external load…

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Common Drain Amplifier Circuit Diagram

Common Drain Amplifier Circuit Diagram: The FET Common Drain Amplifier Circuit Diagram shown in Fig. 11-14 has the output voltage developed across the source resistor (RS). The external load (RL)…

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Common Source Circuit Analysis

Common Source Circuit Analysis: A FET Common Source Circuit Analysis is shown in Fig. 11-­6. With the capacitors treated as ac short-circuits, the circuit input terminals are the gate and…

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BJT Cutoff Frequency and Capacitance

BJT Cutoff Frequency and Capacitance: Device Cutoff Frequency - All transistors have junction capacitances. The junction capacitances and the transit time of charge carriers through the semiconductor material limit the…

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