I am offering this M.Tech. level course every Aug to November semester.

**Objective:** This course covers the fundamentals of electronics and communication required for biomedical engineers. The focus shall be on learning to build circuits and software from first principles with an orientation towards bio-medical applications.

Module-wise Course Contents (Include laboratory/design activities): | ||

Module No. and Title | No. of Lectures / Lab Hours | Module Description |

- Measurements and Errors
| 2/0 | Covers the principles of measurements, errors and significant figures |

- Basic Electronics
| 8/4 | Resistors, Capacitors and Inductors, PN junction diodes and their applications transistors and their applications. |

- Circuit Theory
| 3/2 | Kirchhoff’s laws, Thevenin’s and Norton’s theorems, and complex impedance |

- Operational Amplifiers
| 6/4 | Operational Amplifiers and their applications |

- Signal Processing
| 8/4 | Signals and systems, Fourier analysis, DSP concepts |

- Digital Electronics
| 3/2 | Digital circuit concepts, Microcontroller programming |

- Communication Fundamentals
| 4/2 | AM, FM, UART, ASK etc. |

- Bio-potentials
| 3/2 | Action-potential, ECG, EEG |

- Medical instrumentation applications
| 4/2 | Introduction to electronics in various medical instruments. |

**Lectures and Labs List of 2019**

**Lecture 1: **Introduction to course. Accuracy and precision, Significant figures.**Lecture 2: **Distribution of errors, Propagation of uncertainities,**Lecture 3: **Basics of charge, potentials, voltage and current, Ohm’s law, KCL and KVL**Lab 1:** Introduction to simulation software, lab equipment and making a potential divider.**Lecture 4: **Distribution of errors, Propagation of uncertainities,**Lecture 5: **Basics of charge, potentials, voltage and current, Ohm’s law, KCL and KVL**Lecture 6:** Capacitors, Inductors, solving circuits with cramer’s rules**Lab 2:** Copper plating on spoon.**Lecture 7:** Important network theorems, Superposition, Thevenin, Maximum power transfer**Lecture 8:** Different types of important signals. sinusoidal response of RC and RL circuits, Euler’s theorem and it’s application to solve the sinusoidal response of linear circuits.**Lecture 9:** Concept of complex impedance, Charging and discharging of capacitors**Lecture 10:** Diodes, Non-linear resistors with diodes.**Lecture 11:** Half-wave and full-wave rectifiers. peak detector, clamper.**Lab 3:** Making a Cellphone Charger with a full bridge rectifier and ripple correction**Lecture 12:** Voltage multiplier, Ripple reduction in rectifiers.**Lecture 13:** Diodes as digital gates, diodes as analog gates, zener voltage regulator**Lecture 14:** P-type and N-type semiconductors, PN Junction characteristics, Bipolar junction transistor.**Lecture 15:** VI characteristics of NPN transistors. NPN-transistor inverter**Lecture 16:** Transistor as switch, biasing a transistor in active region.**Lecture 17:** Dual supply and single supply biasing, Small signal model of common emitter amplifier. Gain, input and output impedance calculation.**Lab 4:** Making a transistor audio amplifier.**Lecture 18:** Steps in design of a common-emitter single supply amplifier, common collector configuration. Discussion of Mid-sem questions**Lab 5:** Making an electronic stethoscope using LM386.**Lecture 19:** Operational amplifiers, ideal circuit model, pin configuration, Non-inverting and inverting configuration, Gain bandwidth product of Opamp amplifiers**Lab 6:** Making a Non-inverting Opamp amplifier and plotting its bandwidth for different gains.**Lecture 20:** Slew-Rate, difference amplifier, summing amplifier, voltage follower, schmitt-trigger, precision rectifier**Mid – Sem Exam****Lab 7: **Thermistor calibration and making a heater controller.**Lecture 21: **Temperature sensors.**Lecture 22:** Neurons and action potential. Analog circuit neuron. how neural network works.**Lecture 23:** Difference amplifier and Instrumentation amplifier.**Lab 8: **Water heater controller using thermistor on Labview**Lecture 24:** Fundamentals of Electrocardiogram.**Lecture 25:** Magnetic Induction and transformers.**Lab 9:** ECG with Instru. Amp and Labview Recording.**Lecture 26:** Introduction to signals and their types.**Lecture 27:** Systems and classification of systems.**Lab 10:** Pulse recorder using LDR and HPF.**Lecture 28:** Response of LTI systems and convolution. Eigen functions of LTI systems.**Lecture 29:** Electronic filters and their bode plots.**Lecture 30:** Fourier Series.**Lecture 31:** Fourier Transform.**Lab 11:** Water flow rate control using arduino.**Lecture 32:** Properties of Fourier transforms and common FT pairs.**Lecture 33:** DTFS and DTFT.**Lecture 34:** Properties of DTFT and common DTFT pairs.**Lecture 35:** DFT.**Lab 12:** Spectral analysis of Sound**Lecture 36: **Digital electronics – Number systems, 1’s and 2’s complement, K-map.**Lecture 37:** Design of combinational circuits from first principles. Latches.**Lecture 38:** Flipflops and design of sequential circuits from first principles.**Lecture 39:** DAC and ADC, Oscillators.**Lecture 40:** AM, FM, UART.**Lab 13:** FM Radio Transmitter.

Few recorded lectures are available here:

http://ashishsahani.com/fourier-series/

http://ashishsahani.com/ecg/