Common Emitter Amplifier Circuit

Common Emitter Amplifier Circuit: Consider the Common Emitter Amplifier Circuit circuit shown in Fig. 6-17. When the capacitors are regarded as ac short-circuits, it is seen that the circuit input…

Continue Reading Common Emitter Amplifier Circuit

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…

Continue Reading Biasing Transistor Switching Circuits

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…

Continue Reading Bias Circuit Thermal Stability

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,…

Continue Reading Bias Circuit Design

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…

Continue Reading Voltage Divider Bias Circuit

Base Bias in BJT

Base Bias in BJT: Circuit Operation and Analysis - The transistor bias arrangement shown in Fig. 5-12 is known as Base Bias in BJT and also as fixed current bias.…

Continue Reading Base Bias in BJT

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,…

Continue Reading DC Load Line of BJT Biasing Circuit