![]() ![]() ![]() In this BJT Amplifier, the AC voltage waveform, which is applied at the emitter terminal, will be amplified and produced at the collector terminal. The circuit diagram of the BJT Amplifier, which is configured in Common Base (CB) is shown below. Here, we will consider the Emitter and Collector terminals of the BJT as the input and output terminals. Now, let us discuss the following three types of amplifiers one by one.įormulas for GATE Electronics & Communication Engineering - Communication Systems Common Base AmplifierĪs the name implies, Base is common to both input and output in the Common Base (CB) configuration. Since we have three BJT amplifier configurations, we will get three types of BJT amplifiers. One of those parameters is the BJT configuration. We can classify the BJT amplifiers in various ways based on different parameters. Those are voltage amplifiers, current amplifiers, and power amplifiers.įormulas for GATE Electronics & Communication Engineering - Signals Systems Types of BJT Amplifiers So, we can classify the Amplifiers into three types according to the quantity amplified at the output. The following figure shows a circuit diagram of a typical BJT Amplifier.Īs the name implies, amplifiers will amplify the level of the input signal and produce the output. So, if we use BJT in the amplifier circuits, those are known as BJT amplifiers. Bipolar Junction Transistor (BJT) is the basic transistor among all transistors. ![]() The transistor is the main component in Amplifiers. The electronic circuit which performs amplification is known as an Amplifier. ![]()
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