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Analyzing the DC Bias Circuits
2.3.4 Base Bias
Step 1: Replace all capacitors by open circuit
Step 21Determine the 0point
Step 3: Draw the dc load line
Step 4: lndicate (2point on the load line
Note : We would
Topic 5 Field Effect Transistors (FETs)
Unipolar devices : uses only one type of charge carrier
Voltage-controlled devices : output characteristics are controlled by the input voltage
Very high input impedance : usually about several hu
EDEVCKT: Diodes (Summary)
Barrier Potential (VB) Minimum voltage across diode for it to work properly.
- Silicon type (0.7V) ; Germanium type (0.3V)
Topic 4 Operational Amplifiers (Op-Amps)
Ideal Op-Amp Characteristics
infinite open loop voltage gain (Aol) and infinite bandwidth.
infinite input impedance (Zin)
zero output impedance (Zout)
Practical Op-Amp Characteristics
very high voltage gain (Aol),
Role of Accounting:
Accounting is an information system that provides reports to stakeholders (users) for decision making.
Users of Accounting (Business Stakeholders) People with interest on the financial performance
Owners Interested in making profit
ECT2001 - Circuits and Control Systems
Chapter 1: Introduction to Circuits & Control Systems
3 Basic Components of a Control System
o Input: actuating signal, reference, command
o Controller, or control system
o Output, also called response, controlled va
Chapter 7: Fourier Series
1) y=sin ax and y=cos ax are periodic functions with period
2) sin(-x) = -sin x
3) sin(n) = 0
for any constant a 0
cos(-x) = cos x
Even function (e.g. cosine graph)
Odd function (e.g. sine,
Revenue Recognition Principle:
Revenue is considered earned when goods are delivered or services performed.
Expenses are recorded when goods and services are received.
Revenues and related expenses are reported in the same accounting p