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ITI in Mechanic Medical Electronics

ITI in Mechanic Medical Electronics

ITI in Mechanic Medical Electronics




Mechanic Medical Electronics is a medical electronics vocational trade. The duration of trade is two years with four semesters of six months  each. There are many topics to which students are introduced during teaching hours such as maintaining different medical equipment like defibrillators, imaging devices, patient monitors, radiology and laboratory devices; and electric wheelchairs, defibrillators, beds and imaging equipments. There are many ITIs in the country offering this trade because of its job orienting nature. After passing it successfully, there are many areas where they can start work as job.

Skills Required

  • They should be able to interacting with customers to determine the source of equipment problem; performing diagnostic checks to find the source of any malfunction.
  • They should also to diagnose and locate circuits, components and equipment faults; read and interpret equipment manuals and drawings.
  • They should also be known of adjusting, aligning replacing or repairing parts; maintaining records such as work orders, test and maintenance reports.

Syllabus

1st Sem

  • Practice fixing of screws of different sizes on wooden board. Practice of Cutting on wooden blocks using Tenon saw/6 inch hand saw Drill holes on wooden boards using Electric/Hand Drill Machine. Smoothen the blunt surfaces using suitable files Repeat the above tasks on Metal and Plastic sheets. Practice the electrical safety norms Practice the Mock treatment of electrical shock.
  • Identify the Live, Neutral and Earth on power socket. Construct a test lamp and light a lamp Use a Tester to monitor AC power. Measure the unwanted voltage between the neutral and Ground and take measures to reduce it.
  • Measure and Test the voltage of the given primary/secondary cell(s). Charge and discharge the cell while measuring the respective Voltage and currents. Measure the voltage and current at different terminals of a resistive circuit Identify and electromagnet and a permanent magnet.
  • Identify different transformers Measure the primary and secondary winding resistances for transformers of different capacities (up to 500 VA) Identify different sizes, shapes of cores used in low capacity transformers.
  • Identify and Test Permanent Magnet DC motor Identify and Test Brushless DC motor Identify and Test stepper motor Identify and familiarize with various types of fuses with their bases.
  • Identify Resistors of different types (include NTC, PTC, W/W, Log, Linear, preset, VDR, LDR) values and power ratings. Use colour code to identify the Resistors and values.
  • Identify Si and Ge diodes Record any ten Diode component numbers (both Si & Ge) from Data book with their specifications.(If, PIV and forward voltage drop) Identify any five different packaging styles of Diodes with respective heat sinks Response of a Diode for different AC and DC voltages Test the PIV and Forward current of the given diode Construct and test Diode as a half wave, full wave and Bridge rectifier.
  • Identify PNP and NPN Transistors Record any ten Transistors numbers (both NPN & PNP) from Data book with their specifications.
  • Identify any five FET Transistors and record main parameters from the Data book Test the given FET (at least 5 no’s) and record the impedances.
  • Dismantle an Analogue multimeter and identify components/sections and trace path for measurement of V, I & R. Measure the indicator coil voltage corresponding to different measurements.
  • Identify different electrical cables of various gauges and of different insulation strength.
  • Select a soldering gun and practice soldering of different electronic active and passive components/digital ICs on varieties of PCBs. Join the broken PCB track and test.
  • Measure logical high and low for TTL and CMOS ICs. Identify by the number and Monitor the clock frequency of different crystal ICs on CRO and measure it.
  • Wire and illuminate LEDs of different sizes and observe the current drawn. Expose LDR different lights and Record the variation in resistance.
  • Construct and test voltage divider bias Construct and Test a common emitter Amplifier, Construct and Test common base amplifier, Construct and Test common collector amplifier, Construct and Test Darlington amplifier.
  • Construct and test Class A amplifier. Construct and test Class B amplifier, Construct and test Class AB push pull amplifier, Construct and test a single stage CE amplifier with and without emitter bypass capacitor.
  • Construct an emitter follower, RC coupled amplifier Construct and test push pull power amplifier Construct and test oscillator using a HF transistor.
  • Construct and test as table multivibrator circuit, Identify and test Transistors of different packaging styles.
  • Construct and Test Half Adder circuit and verify the truth table.  Construct and Test Full adder and verify the truth table.
  • Construct and test four bit latch using 7475. Identify different Flip-Flop (ICs) by the number printed on them. Verify the truth tables of Flip Flop ICs (D, T, RS, JK) by connecting switches and LEDs. Identify & Wire a Master-Slave Flip Flop and Test the truth table.
  • Construct and test a four bit asynchronous binary counter using 7493. Connect 7493 as a modulus-12 counter. Construct and test a four bit Synchronous binary counter using 74163.
  • Construct the shift register using RS/D/JK flip flop and verify the result Construct and test four bit SIPO register Construct and test four bit PIPO register Construct and test two digit Seven segment LED/ Decoder-Driver circuits.
  • Project Work

2nd Sem

  • Construct RC circuit and measure the Time constant by measuring voltages. Construct and test a simple high pass RC circuit and observe the integrated output for applied input.
  • Construction and testing of various Op-Amp circuits like Inverting, Non-inverting and Summing Amplifiers, Differentiator and Integrator Integrator.
  • Instrumentation Amplifier.
  • Measure using CRO – DC Voltage, AC voltage, Period & Frequency & and observe different wave forms Troubleshooting CRO Vertical Preamplifier & all other sections (a) to (c).
  • Identify and test DIODE/SCR Power bridge Identify and test MOSFET Power bridge Identify and test IGBT Power bridge Connect the heat sinks to the above power bridges.
  • Identify different fixed +ve and –ve voltage regulator ICs of different current ratings (78/79 series) along with i/o, reference pins.
  • Identify different front panel controls and connectors of the given power supply.
  • Dismantle the given stabilizer and find major sections/ICs/ components.
  • Construct and test step up type chopper circuit, Construct and test step down type chopper circuit, Construct and test inverter type chopper circuit.
  • Identify various input and output sockets/connectors /indicators on the given UPS.
  • Identify isolator transformer, inverting transformer and control transformers.
  • Identify and draw different active, passive components using symbols
  • Identify foot prints for different analogue /digital electronic (lead and SMD) components Prepare layouts for simple analogue/digital circuits.
  • Identification of 2/3/4 terminal SMD components Soldering / de-soldering of above components.
  • Familiarize with the Microprocessor kit, identify different ICs on the kit.
  • Use assembler to assemble the programs and load them for execution by the processor Program to Blink an LED using port pins of 8255.
  • Write the RAM and ROM address ranges (internal and external) of the given Microcontroller kit.
  • Enter simple programs, execute and monitor the results, Configure the port pins as input and output and apply inputs to activate/deactivate LEDs.
  • Use the timer as an event counter to count external pulses. Execute a program to flash a set of 4 LEDs connected to port pins on the kit.
  • Cutting, cleaning and preparing of fibre cable for splicing, Splicing of OFC using splicing machine. Testing of OFC using OTDR.
  • Project Work.

3rd Sem

  • Bio medical Charts.
  • Familiarize with the Microprocessor kit, identify different ICs on the kit. Observe the voltage/ waveforms on different ICs and IC pins of the processor.
  • Identification of different types of transducers and sensors. Testing the condition of the different types of transducers and sensors.
  • Charts, Identification of different types of components used in Bioelectric amplifiers.
  • Identification of different cables & Connectors used in Biomedical equipment,  Practice on assembling & Dismantling techniques, etc
  • Identification & Testing of different controls of the related equipment.
  • Identification & Testing of different controls of the related equipment.
  • Identification & Testing of different controls of the related equipment. Operate the different controls of the related equipment. Troubleshooting & Maint. aspects.
  • Project Work.

4th Sem

  • Identification & Testing of different controls of the related equipment. Operate the different controls of the related equipment. Troubleshooting & Maint. aspects.
  • Identification & Testing of different controls of the related equipment.
  • Safety aspects, Study of all types of shocks and effects. How to prevent these shocks?.

Eligibility & Admissions

  • Passed 10th class examination under 10+2 system of education with Mathematics & Science or its equivalent.
  • Performa for admission may be obtained from the respective State Directorate dealing with Craftsmen Training Scheme or from the Principals of the concerned Industrial Training Institutes/ centers conducting training programme under Craftsmen Training Scheme.

Higher Studies

  • Diploma in Medical Electronics.
  • B E in Medical Electronics.

Job Prospects

  • After passing trade, students can work in hospitals such as repairing medical equipments like calibrating equipment, replacing defective parts, and keeping records of maintenance and repairs.
  • Students have good option of going for further higher Diploma/Degree courses as they get good base at this level. This enhances their overall qualification.

Mechanic Medical Electronics Trade Job Types

  • Medical Equipment Repairer.
  • Technical Support Specialist.
  • Network Specialist.
  • Mechatronics & Equipment Technician.
  • Biomedical Equipment Technician.

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