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Direct Coupled Circuits

Direct Coupled Circuits: For economy, the number of components used in any circuit should be kept to a minimum. The use of direct coupling between stages is one way of…

Capacitor Coupled Two Stage CE Amplifier

Capacitor Coupled Two Stage CE Amplifier: A Capacitor Coupled Two Stage CE Amplifier circuit is shown in Fig. 12- 15 . Stage-1 is capacitor-coupled (via C3) to the input of…

Frequency Response of FET Amplifier

Frequency Response of FET Amplifier: Low-Frequency Response - The low Frequency Response of FET Amplifier circuits is determined by exactly the same considerations as for BJT circuits. The lower cutoff…

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…

FET Equivalent Circuit Model

FET Equivalent Circuit Model: The complete FET Equivalent Circuit Model is shown in Fig. 11-5(a). It is seen that tilt source terminal is common to both input and out, so…

JFET Bias Circuit Troubleshooting

JFET Bias Circuit Troubleshooting: Voltage Measurement - JFET Bias Circuit Troubleshooting are similar to those for BJT bias circuits. The major difference is that there is only one junction in…

Transistor Datasheet

Transistor Datasheet: To select a transistor for a particular application, the Transistor Datasheet provided by device manufacturers must be consulted. Most data sheets start off with the device type number…

Processing of Semiconductor Materials

Processing of Semiconductor Materials: Preparation of Silicon and Germanium - Silicon is one of the commonest elements on earth. It occurs as silicon dioxide (SiO2) and as silicates; mixtures of…