Dual Input Unbalanced Output Differential Amplifier: It is an important configuration and converts dual inputs into a single ended output. In this configuration, two input signals are applied and the…
Dual Input Balanced Output Differential Amplifier: The dual input balanced output differential amplifier configuration is shown in Fig. 20.2. In the given circuit two input signals vin1 and vin2 are applied…
Bootstrapped Darlington Circuit Operation and its Equivalent Circuit: The maximum input resistance of a Darlington circuit is limited to 1/hob ≡ 2 MΩ, as 1/hob is the resistance between base…
Emitter Follower at High Frequencies: Emitter Follower at High Frequencies circuit is given in Fig. 19.48(a). A capacitance CL is included across the load because the emitter follower is often…
Emitter Follower Circuit - Operation, Advantages and Applications: Emitter Follower Circuit is also a negative current feedback circuit. This circuits exhibits a large input impedance, a small output impedance, and…
Transconductance Amplifier - Definition and Equivalent Circuit: In transconductance amplifiers the input signal is a voltage and its output signal is a current. The ideal transconductance amplifier provides an output…
Double Tuned Amplifier - Circuit Diagram and Operation: The problem of potential instability with a single tuned amplifier is overcome in a double tuned amplifier which consists of inductively coupled…
Single Tuned Amplifier - Circuit Operation and Limitations: The circuit arrangements of a single tuned amplifier are given in Figs. 18.9(a) and 18.9(b). The output may be taken either with…