Direct Coupled Class AB Output Stage

Direct Coupled Class AB Output Stage: The output capacitor in a capacitor-coupled power amplifier is a large expensive component that should be eliminated if possible. Figure 18-23 shows a Class-AB…

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Capacitor Coupled Class AB Output Stage

Capacitor Coupled Class AB Output Stage: The basic circuit of a Class-AB amplifier using a complementary emitter follower output stage and a Capacitor Coupled Class AB Output Stage load is…

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IC Linear Voltage Regulators

IC Linear Voltage Regulators: 723 IC Regulator - The basic circuit of a 723 IC Linear Voltage Regulators in a dual-in-line package is shown in Fig. 17-20. This IC has…

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Op Amp Voltage Regulators

Op Amp Voltage Regulators: Voltage Follower Regulator - Refer once again to the Op Amp Voltage Regulators circuit in Fig. 17-11. The complete error amplifier has two input terminals at…

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Improving Regulator Performance

Improving Regulator Performance: Error Amplifier Gain - The performance of a regulator is dependent on the voltage gain of the error amplifier. A higher gain amplifier gives better line and…

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Transistor Series Voltage Regulator

Transistor Series Voltage Regulator: When a low power zener diode is used in the simple Transistor Series Voltage Regulator, the load current is limited by the maximum diode current. A…

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Crystal Equivalent Circuit

Crystal Equivalent Circuit: Crystal Equivalent Circuit - The output frequency of oscillator circuits is normally not as stable as required for a great many applications. The component values all have…

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Oscillator Amplitude Stabilization Circuit

Oscillator Amplitude Stabilization Circuit: Output Amplitude - For all of the Oscillator Amplitude Stabilization Circuit discussed, the output voltage amplitude is determined by the amplifier maximum output swing. The output…

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