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Report: Laboratory exercises
Course: ODE2EL Introduction to Digital Electronic
(4th semester)
Five sessions, each lasting two hours.
The students work in pairs.
The manual for each of the five exercises consists of three distinct sections:
• List of equipment and electronic components
• Exercise description
• Exercise instructions
First exercise: Diode and transistor in pulse working conditions
List of equipment
• Oscilloscope: Tektronix TDS 1002+TDS2CMAX (TEMPUS)
• Arbitrary waveform generator: Agilent 33220A (TEMPUS)
• Power supply: Agilent 3630A (TEMPUS)
• Protoboard
• Multimeter BK Precision 391A
• diodes 1N4001, Schotky 1N5817 diode, Transistor BC337-25
• PC computer with student version of PSPICE
Exercise A: PSPICE simulation
Exercise description. Description of the schematics used for PSPICE simulation. It is
described where are the input signals and measurement points. Schematic is used for
measurement of diode transfer characteristics, dynamic parameters and for voltage and
current waveforms analysis.
Exercise instructions Step by step procedure for the exercise conducting is written in
this section. The section consists of four parts for Pspice simulation. All steps included
in this section are summarized below:
1. PSPICE simulation of the current and voltage waveforms for diode and Schotky
diode in pulse working condition.
2. PSPICE simulation of the diode switching time.
3. PSPICE simulation of the diode switching time in the case of capacitive load.
4. PSPICE simulation of the current and voltage waveforms for the transistor in pulse
working condition.
5. PSPICE simulation of the transistor switching time.
Exercise B: Diode and transistor static and dynamic characteristics
Exercise description. Description of the schematics used for measurement. It is
described where are the input signals and measurement points. Schematic is used for
measurement of diode transfer characteristics, dynamic parameters and for voltage and
current waveforms analysis.
Exercise instructions Step by step procedure for the exercise conducting is written in
this section. The section consists of four parts for Pspice simulation. All steps included
in this section are summarized below:
1
1. Measurement of the current and voltage waveforms for diode and Schotky diode in
pulse working condition.
2. Measurement of the diode switching time.
3. Measurement of the diode switching time in the case of added capacitor.
4. Measurement of the current and voltage waveforms for the transistor in pulse
working condition.
5. Measurement of the transistor switching time.
Second exercise: Characteristics of standard SSI logic gates
List of equipment
• Oscilloscope: Tektronix TDS 1002+TDS2CMAX (TEMPUS)
• Arbitrary waveform generator: Agilent 33220A (TEMPUS)
• Power supply: Agilent 3630A (TEMPUS)
• Multimeter: Fluke –111 (TEMPUS)
• Protoboard
• TTL 7404, LSTTL 74LS04, HCMOS 74HC04, CMOS 4069 inverter gate and
ECL MC10101 NOR gate
Exercise description. Description of the protoboard implementation of the circuits used
for the measurement of the logic gate static and dynamic characteristics is presented in
this section. It is described where are inputs for the stimulation signals and where are
the measurement points. Procedure using oscilloscope and signal generator for
automatic measurement of the curves family is also explained.
Exercise instructions Step by step procedure for the exercise conducting is written in
this section.
1. Measurement of the TTL family inverter gate output characteristics and output
current waveforms.
2. Measurement of the LSTTL family inverter gate output characteristics and output
current waveforms.
3. Measurement of the HCMOS family inverter gate output characteristics and output
current waveforms.
4. Measurement of the CMOS family inverter gate output characteristics and output
current waveforms.
5. Measurement of the ECL family NOR gate (connected as an inverter gate) output
characteristics and output current waveforms.
6. Measurement of the dynamic gate parameters in the inverter chain configuration
with digital oscilloscope.
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Third exercise: Characteristics of basic MOS logic gate
List of equipment
• Oscilloscope: Tektronix TDS 1002+TDS2CMAX (TEMPUS)
• Arbitrary waveform generator: Agilent 33220A (TEMPUS)
• Power supply: Agilent 3630A (TEMPUS)
• Multimeter: Fluke –111 (TEMPUS)
• Protoboard
• 4009 MOS transistor IC
• PC computer with student version of PSPICE
Exercise A: Basic logic configuration with MOS transistors.
Exercise description. Description of the used 4009 IC, pin description, circuit
connection and supply voltage connection. Description of the protoboard
implementation of the circuits used for the measurement of the basic MOS transistor
logic gate configurations. It is described where are inputs for the stimulation signals and
where are the measurement points. Procedure using oscilloscope and signal generator
for automatic measurement of the curves family is also explained.
Exercise instructions Step by step procedure for the exercise conducting is written in
this section.
1. NMOS inverter with passive resistive load circuit realization and static characteristic
measurement.
2. NMOS NOR gate with active NMOS load circuit realization and static characteristic
measurement.
3. CMOS inverter realization and static characteristic measurement.
4. Measurement of CMOS inverter dynamic parameters in chain inverter oscillator
configuration.
Exercise B: PCPICE simulation
Exercise description. Description of the circuit need to be simulated with PSPICE
program. It is described which signals are marked as input and output.
Exercise instructions Step by step procedure for the exercise conducting is written in
this section. The section consists of four parts for Pspice simulation. All steps included
in this section are summarized below:
1. NMOS inverter with passive resistive load circuit realization and static characteristic
PSPICE simulation.
2. NMOS NOR gate with active NMOS load circuit realization and static characteristic
PSPICE simulation.
3. CMOS inverter realization and static characteristic PSPICE simulation.
4. PSPICE simulation of CMOS inverter dynamic parameters in chain inverter
oscillator configuration.
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Forth exercise: BCD/7S decoder for two digits LED display
Exercise description. Description of the BCD/7S decoder circuit and schematic for two
digit LED connection. In this section is described where are inputs for the stimulation
signals and where are measurement points. Procedure using oscilloscope and signal
generator for automatic measurement of the curves family is also explained.
List of equipment
• Oscilloscope: Tektronix TDS 1002+TDS2CMAX (TEMPUS)
• Arbitrary waveform generator: Agilent 33220A (TEMPUS)
• Power supply: Agilent 3630A (TEMPUS)
• Multimeter: Fluke –111 (TEMPUS)
• Protoboard
• 74LS47 BCD/7S decoder, KINGBRIGHT SA52-11EWA LED display with
common anode.
• PC computer with student version of PSPICE
Exercise instructions Step by step procedure for the exercise conducting is written in
this section.
1. Determination of the conversion table given in the data sheet for BCD/7S decoder.
2. Design the circuit for switching off the leading zero in two digit circuit
configurations.
Fifth exercise: Design of synchronous counter circuit
Exercise description. Description of the 74LS00, 74LS74 and 74LS47 integrated
circuits. Description of the protoboard implementation of the circuits used for the design
and measurement of the four bit up counter. It is described where are inputs for the
stimulation signals where are measurement points.
List of equipment
• Oscilloscope: Tektronix TDS 1002+TDS2CMAX (TEMPUS)
• Arbitrary waveform generator: Agilent 33220A (TEMPUS)
• Power supply: Agilent 3630A (TEMPUS)
• Multimeter: Fluke –111 (TEMPUS)
• Protoboard
• 74LS00, 74LS74, 74LS47, 74LS47 BCD/7S decoder and KINGBRIGHT SA5211EWA LED display with common anode
Exercise instructions Step by step procedure for the exercise conducting is written in
this section.
1. Logic function determination for given counter sequence.
2. Circuit design for counter and LED display. Analysis of output waveform signals on
all counter outputs. Counter reset signal implementation is also included.
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