Abstract:

Differential cascade and CC-CB amplifiers. Multiple stages amplifier.

Frequency response of Amplifiers – Analysis and calculating 3dB pole of high bandwidth amplifiers such as Cascade, Cascade and differential amplifier.

Active loaded differential Amplifiers and current sources – Current sources, current mirrors and active loads.

Description of the amplifier. Analysis of, Ad, Acm, Rid, Ricm, Rout and CMRR.

Operational Amplifiers – Properties of the ideal OP Inverting and noninverting amplifiers.

Description of the internal structure: transconductance and voltage amps.

Ideal vs. non-ideal properties (Gain-Bandwidth product, offset voltage, Bias currents, Slew Rate, output voltage and current limits) and their effect in OP circuits. Some circuit schemes, Active filters.

Feedback Amplifiers – General feedback block diagram. Negative feedback and its effect on amplifier performance and properties. The four feedback types and topologies.

Analysis of all the four feedback circuit topologies.

Power Amplifiers and output stages – Design and understanding of power amplifiers as output stages (Class A, B and AB). Biasing schemes in class AB.

Abstract:

Diodes: PN junction structure. The diode as a non-linear component. The diode I-V characteristic and current-voltage equations of the diode. Approximate models of the diode for calculating currents and voltages in circuits based on diodes and resistors. The diode as a rectifying component, diode bridge. Small signal diode. Zener diode: I-V characteristic of a Zener diode in reverse voltage. Voltage rectifiers and regulator.

Circuit analysis using PSpice simulation.

MOSFET transistor: physical structure of NMOS and PMOS transistors, depletion type and enhancement type transistor and the parabolic current formula. Conditions for Cutoff, Ohmic or Linear (Triode), and Saturation characteristic, voltage-current of the transistor. Finite output Resistance in Saturation. The Body effect. A compensation scheme for a large signal and a calculation of the compensation scheme for a small signal. The parameter gm (trans-conductance).

Different voltage-current characteristics of the BJT, the base shorting effect and its effect on the current formula.

The conditions for Cutoff, Active and Reverse Active, and Saturation.

Different voltage circuits for the stability of amplifiers and the calculation of the operating point Q {ICQ, VCEQ}. The parameter gm (trans-conductance)) compensation scheme for a large signal and calculation of the compensation scheme for a small signal. The principle of the impedance transformation of the BJT (the proof in self-study.