Lesson Archives
Representation of Negative Numbers, Signed Magnitude, Diminished radix complement, Radix complement, Signed Magnitude, Limitations of Signed Magnitude, 9’s complement, 1’s complement, Limitations of 1’s Complement, Two Zeros, End-around-carry-bit addition, Examples of 1’s Complement, 10’s complement, 2’s complement, Advantages of 2’s Complement, One Zero No End-around-carry-bit addition, Examples of 2’s Complement, EX-OR Gate as a control […] Solved Examples, the cut-off frequency of Low pass filers, High Pass filters, bandpass filters, band-reject filters, the dynamic resistance of bandpass filters, quality factor, bandwidth, second-order filter, Losses in Transformers, power factor, Iron current, magnetizing current, power delivered by transformer, secondary voltage, primary voltage, step-up transformer. Filters in LT SPICE 74XX series TTL gates, Tinkercad, 7400 NAND, 7408 AND, 7432 OR Ideal Transformer, Lentz's Law, Principle of operation of Transformer, Voltage relationship for Ideal transformer, Voltage ratio equals the turns ratio, Apparent Power balance, Voltage Ratio, Current Ratio, Impedances Reflected Through Ideal Transformers, Load impedance as seen from the primary side of the transformer, Solved Examples, Practical Transformers, Active power losses, Hysteresis losses, Eddy currents, Active […] Passive Filters
40 mins
Passive High Pass RC Filters, Passive High Pass RL Filters, Critical or Cut-off frequency, Voltage Gain in dB, Power gain in dB, Half Power gain in dB, Frequency response plot of Passive High Pass Filters, Second Order High Pass Filters, Passive Low Pass RC Filters, Passive Low Pass RL Filters, Second Order Low Pass Filters, […] Problems and Solutions: Current drawn from the power mains, if the three impedances and source are Y-connected and Δ-connected.Power in Three-Phase Circuits, Power in Star Connection, Delta Connection, Measurement of Power in Three-Phase Circuits, Two-Wattmeter Method Power Factor Measurement by Two-Wattmeter Method. Decimal Number System, Octal Number System, Binary Number System, Hexadecimal Number System, Base-r Number System, Decimal to Binary Conversion, Binary to Decimal Conversion, Binary to Octal Conversion, Octal to Binary Conversion, Binary to Hexadecimal Conversion, Binary Addition, Binary Subtraction, Binary Multiplication, Binary Division. Digital vs Analog Systems, Binary System, Advantages of Digital System, Disadvantages of Digital System, Basic Binary Logic Gates, Evolution of Digital Technology, Common Terminologies of Digital System, Noise Margin, Propagation Delay, Rise Time and Fall Time. Power in Three-Phase Circuits, Power in Star Connection, Delta Connection, Solved Examples, Power in Unbalanced Loads, Measurement of Power in three Phase Circuits, Three-Wattmeter Method: This is the simplest and straightforward method, Two-Wattmeter Method: This can be used for any balanced or unbalanced load, star- or delta-connected. One-Wattmeter Method: This can be used only for […]