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…
AC Load Line of BJT: AC Equivalent Circuits - Capacitors behave as short-circuits to ac signals, so in the ac equivalent circuit for a transistor circuit all capacitors must be…
BJT Bias Circuit Troubleshooting: Voltage Measurement - When a BJT Bias Circuit Troubleshooting is constructed in a laboratory situation, the supply voltage (VCC) and the voltage levels at the transistor…
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.…
Testing of Semiconductor Diode: There are Several methods are available for Testing of Semiconductor Diode, namely, Ohmmeter Tests: One of the simplest and quickest tests can be made using an ohmmeter…
Electrical Drive Systems: Each Electrical Drive Systems is different from other Electrical Drive Systems. However, there are some common features associated with all Electrical Drive Systems. To understand them it…
Use of Efficient Semiconductor Converters: Prior to development of Use of Efficient Semiconductor Converters, inefficient power modulators were employed in several applications. While replacement of these power modulators by the…
Electric Traction Services: Electric Traction Services can be broadly classified as: Electric Trains. Electric buses, trams (or tramways) and trolleys. Battery driven and solar powered vehicles. Electric Trains: Electric trains…