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 stages while providing dc…
Operational Amplifier Circuit Stability: Loop Gain and Loop Phase Shift - Consider the inverting amplifier circuit and waveforms in Fig. 15-1(a). The signal voltage voltage (vs) is amplified by a…
Instrumentation Amplifier Circuit Working: Circuit Operation - At first glance, the Instrumentation Amplifier Circuit Working in Fig. 14-28 looks complex, but when considered section by section it is found to…
Direct Coupled Inverting Amplifier: The circuit in Fig. 14-18 is termed an Direct Coupled Inverting Amplifier because, with Vi applied via R1 to the inverting input terminal, the output goes negative when…
Non Inverting Amplifier Theory: Direct-Coupled Noninverting Amplifier - The Non Inverting Amplifier Theory circuit in Fig. 14-14 behaves similarly to a voltage follower circuit with one major difference. Instead of…
Integrated Circuit Operational Amplifier: Circuit Symbol and Packages - Figure 14-1(a) shows the triangular circuit symbol for an Integrated Circuit Operational Amplifier (op-amp). As illustrated, there are two input terminals,…
Effects of Negative Feedback in Amplifiers: Decibels of Feedback - Effects of Negative Feedback in Amplifiers can be measured in decibels. A statement that 40 dB of feedback has been…
Emitter Current Feedback Circuit: Emitter Current Feedback Circuit is produced by connecting an unbypassed resistor in series with the emitter terminal of a transistor, as shown in Fig. 13-24(a). The…