Audio Power Amplifiers Articles: Transformer Coupled Class A Amplifier: Class A Circuit – Instead of capacitor coupling, a Transformer Coupled Class A Amplifier may be used to ac couple amplifier…
Silicon Controlled Rectifier Principle Operation: Silicon Controlled Rectifier Principle Operation (SCR) consists of four layers of semiconductor material, alternately p-type and n-type as illustrated in Fig. 19-1(a). Because of its…
Small Signal Amplifiers Articles: Single Stage Common Emitter Amplifier Circuit: Specification – Bias circuit design for the Single Stage Common Emitter Amplifier Circuit in shown in Fig. 12-1 and ac…
IC Fabrication Articles: Processing of Semiconductor Materials: Preparation of Silicon and Germanium – Silicon is one of the commonest elements on earth. It occurs as silicon dioxide (SiO2) and as…
BJT Biasing Articles: 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…
Bipolar Junction Transistors Articles: Transistor Operation: pnp and npn Transistor Operation – A junction transistor is simply a sandwich of one type of semiconductor material (p-type or n-type) between two…
Capacitor Coupled Class AB Output Stage: The basic circuit of a Class-AB amplifier using a complementary emitter follower output stage and a Capacitor Coupled Class AB Output Stage load is…
Transistor Series Voltage Regulator: When a low power zener diode is used in the simple Transistor Series Voltage Regulator, the load current is limited by the maximum diode current. A…
