Lectures:
Voltage feedback amplifier as an ideal element; basic feedback concept.
Tubes, bipolar and unipolar transistors - history, basic properties.
Differential transistor input stage; follower (modern - complementary); current source as active load; current mirror.
Voltage feedback amplifiers - VFA - with limited current source in the input stage (classical).
Basic VFA applications (amplifiers, generators, comparators).
Current feedback amplifiers - CFA.
Basic CFA applications.
VFA based on CFA structure.
Typical nonlinear applications of operational amplifiers.
Operational transconductance amplifier (OTA) principle, Northon amplifier (NA) principle, current conveyor (CC) principle.
Comparision of op amps structures from point of view of application properties.
Principle of regulated sources, band - gap reference.
1. and 2. order filters, principle of cascade filters.
Degradation of electronic elements with temperature, dissipated power (causes of degradation) - reduction of influence (abduction of heat - heat sink).
Exercises:
Basic transistor amplifiers; quiscent point.
Amplifiers with ideal OPA (invert, noninvert, differential).
Comparators, generators and oscillators -ideal OPA.
Influence of real OPA properties.
An example of nonlinear application -rectifier, limitter.
1. and 2. order filters, principle of cascade filters. Definition of project, discussion.
Laboratories:
Measuring of inverting and noninverting amplifier properties - data sheets.
Measuring of differential amplifier properties - data sheets.
Measuring of degradation of amplifier frequency properties with gain increasing.
Measuring of properties of square wave generator - data sheets.
Measuring of rectifiers and limiters.
Measuring of 1. and 2. order filters, cascading of filters.
Projects:
EXAMPLES:
Design of 2. order filter (it is required Q, characteristic frequency, etc.)
Design of square wave generator.
Design of RC oscillator (constant frequency).
Voltage feedback amplifier as an ideal element; basic feedback concept.
Tubes, bipolar and unipolar transistors - history, basic properties.
Differential transistor input stage; follower (modern - complementary); current source as active load; current mirror.
Voltage feedback amplifiers - VFA - with limited current source in the input stage (classical).
Basic VFA applications (amplifiers, generators, comparators).
Current feedback amplifiers - CFA.
Basic CFA applications.
VFA based on CFA structure.
Typical nonlinear applications of operational amplifiers.
Operational transconductance amplifier (OTA) principle, Northon amplifier (NA) principle, current conveyor (CC) principle.
Comparision of op amps structures from point of view of application properties.
Principle of regulated sources, band - gap reference.
1. and 2. order filters, principle of cascade filters.
Degradation of electronic elements with temperature, dissipated power (causes of degradation) - reduction of influence (abduction of heat - heat sink).
Exercises:
Basic transistor amplifiers; quiscent point.
Amplifiers with ideal OPA (invert, noninvert, differential).
Comparators, generators and oscillators -ideal OPA.
Influence of real OPA properties.
An example of nonlinear application -rectifier, limitter.
1. and 2. order filters, principle of cascade filters. Definition of project, discussion.
Laboratories:
Measuring of inverting and noninverting amplifier properties - data sheets.
Measuring of differential amplifier properties - data sheets.
Measuring of degradation of amplifier frequency properties with gain increasing.
Measuring of properties of square wave generator - data sheets.
Measuring of rectifiers and limiters.
Measuring of 1. and 2. order filters, cascading of filters.
Projects:
EXAMPLES:
Design of 2. order filter (it is required Q, characteristic frequency, etc.)
Design of square wave generator.
Design of RC oscillator (constant frequency).