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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…

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…

DC Load Line for FET

DC Load Line for FET: The DC Load Line for FET circuit is drawn on the device output characteristics (or drain characteristics) in exactly the same way as for a…

Transistor Circuit Noise

Transistor Circuit Noise: Unwanted signals at the output of an electronics system are termed noise. The noise amplitude may be large enough to severely distort, or completely swamp, the wanted…

High Frequency Analysis of BJT

High Frequency Analysis of BJT: Coupling and Bypass Capacitor Effects - Consider the typical High Frequency Analysis of BJT illustrated in Fig. 8-5. As discussed, the amplifier voltage gain is…

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…

Decibels and Half Power Point Method

Decibels and Half Power Point Method: Power Measurement in Decibels and Half Power Point Method - The power gain (Ap) of an amplifier may be expressed in terms of the…

Integrated Circuits Fabrication Process

Integrated Circuits Fabrication Process: IC Types - An Integrated Circuits Fabrication Process consists of several interconnected transistors, resistors, etc., all contained in one small package with external connecting terminals. The…