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Common Base Circuit Diagram

Common Base Circuit Diagram: The Common Base Circuit Diagram (CB) shown in Fig. 6-34 is very similar to a CE circuit, except that the input signal is applied to the…

Common Collector Circuit Analysis

Common Collector Circuit Analysis: In the Common Collector Circuit Analysis (CC) shown in Fig. 6-28 the external load (RL) is capacitor-coupled to the transistor emitter terminal. The circuit uses voltage divider…

Biasing Transistor Switching Circuits

Biasing Transistor Switching Circuits: Direct-Coupled Switching Circuit - When a transistor is used as a Biasing Transistor Switching Circuits, it is either biased off to IC = 0, or biased…

Bias Circuit Thermal Stability

Bias Circuit Thermal Stability: VBE and ICBO Variations - Many transistor circuits are required to operate over a wide temperature range. So, another aspect of bias circuit stability is Bias Circuit…

Bias Circuit Design

Bias Circuit Design: Bias Circuit Design can be amazingly simple. Usually, it is just a matter of determining the required voltage across each resistor and the appropriate current levels. Then,…

Voltage Divider Bias Circuit

Voltage Divider Bias Circuit: Circuit Operation - Voltage Divider Bias Circuit, also known as emitter current bias, is the most stable of the three basic transistor bias circuits. A voltage…

DC Load Line of BJT Biasing Circuit

DC Load Line of BJT Biasing Circuit: The DC Load Line of BJT Biasing Circuit is a straight line drawn on the transistor output characteristics. For a common-emitter (CE) circuit,…

Transistor Testing Circuit

Transistor Testing Circuit: In-Circuit Testing - A quick test to check if a transistor is operational can be performed while the device is still connected in a circuit. Consider Fig.…