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 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,…
Comparison of Different Biasing Circuits: The Comparison of Different Biasing Circuits of the three basic bias circuits, it must be recalled that transistor manufacturers specify maximum and minimum hFEÂ values for…
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: 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: 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.…
Common Base Transistor Characteristics: To investigate the Common Base Transistor Characteristics of a diode (a two-terminal device), several levels of forward or reverse bias voltage are applied and the resulting…
Clamping Circuit: Negative and Positive Voltage Clamping Circuits - A clamping circuit, also known as a dc restorer, changes the dc voltage level of a waveform, but does not affect…