Ecd302 unit 03 (part b)(instrument)(backup)(obsolete)
Transcript of Ecd302 unit 03 (part b)(instrument)(backup)(obsolete)
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Electronics Workbench (EWB)
Instruments
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EWB Instruments
Multimeter
Function Generator
2 channel Oscilloscope
Bode Plotter
Frequency Counter
Word generator
4 channel Oscilloscope
Logic analyzer
Logic converter
Wattmeter
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EWB Instruments
IV-analysis
Distortion analyzer
Network analyzer
Measurement probe
Spectrum Analyzer
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Multimeter
Display
Current (Ampere)
Voltage (Volt)
Resistance (Ohm)
Power (Decibel)
Alternating current (AC)
+ probe
- probe
Direct current (DC)
+ probe
- probe
Schematic symbol
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Multimeter (DC measurement)Voltage
measurement
Current measurement DC
setting
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Multimeter (AC measurement)
Voltage measurement
Current measurement AC
setting
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Function Generator
+ probe
- probe
Schematic symbol
Sinusoidal wave
Sawtooth wave
Square wave
+ probe
- probe
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Function GeneratorVoltage measurement
Current measurement
Function generator
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Wattmeter
Voltmeter
Schematic symbol
+ - Ammeter
+ -
Display (Wattage)
Power factor
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WattmeterVoltage measurement
Current measurement
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Oscilloscope
Channel A
Schematic symbol
Channel B
GroundTrigger
Toggle between black and white screen
Vertical cursor 1
Vertical cursor 2
Vertical cursor 1 (Readouts)Vertical cursor 2 (Readouts)Difference between cursor (Readout)
Saving in ASCII text file
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Oscilloscope
Measure input signal
Measure output signal
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Bode plotterSchematic symbol
Input signal
channel
Output signal
channel
A Bode magnitude plot is a graph of log magnitude versus frequency, plotted with a log-frequency axis, to show the frequency response of a linear system.A Bode phase plot is a graph of phase versus frequency, also plotted on a log-frequency axis, usually used in conjunction with the magnitude plot, to evaluate how much a frequency will be phase-shifted.
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Bode plotter
Measure input signal
Measure output signal
Magnitude versus frequency
Phase versus frequency
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Frequency counter Schematic symbol
Frequency counter is used to measure signal frequency
Frequency Probe
Display
The minimum sensing voltage
Trigger level is the point that must be reached by the waveform before a reading is displayed
Display only the AC component of a signalDisplay only the DC component of a signal
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Frequency Counter
555 timer 1 kHz configuration
Actual output
frequency
Duration of 1 cycle
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Frequency Counter
555 timer 1 kHz configuration
Duration of positive pulse
Duration of negative pulse
Rise time of a single counter
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Logic analyzer
Schematic symbol
Signal
Probe
External clock
Clock qualifie
r
Trigger qualifie
r
The logic analyzer displays up to 16 digital signals in a circuit. It is used for fast data acquisition of logic states and advanced timing analysis to help design large systems and carry out troubleshooting.
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Logic analyzer
Probing 1st input signal
Probing 2nd input signal
Probing output signal
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Logic Converter
Schematic symbol
8 input signal probe Deriving truth
table from circuit
Converting truth table to Boolean expressionSimplify truth table to Boolean expressionConverting Boolean expression to truth table
Converting Boolean expression to circuitConverting Boolean expression to NAND circuit
Boolean expression
Truth table
1 output signal probe
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Logic Converter
Deriving truth table from circuit
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Logic Converter
Converting truth table to Boolean expression
Boolean expression obtained
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Logic Converter
Simplify truth table to Boolean expression
Simplified Boolean expression
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Logic Converter
1st step: Type desired Boolean expression
2nd step: Converting Boolean expression to truth table
Truth table printed here!
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Logic Converter
Converting Boolean expression to circuit
Circuit produced
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Logic Converter
Converting Boolean expression to NAND circuit
Circuit produced
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