electronics devices laboratory ece 2300 gregg chapman and ... · lab supplies • resistors 1 150...
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![Page 1: Electronics Devices Laboratory ECE 2300 Gregg Chapman and ... · Lab Supplies • Resistors 1 150 Ohm 1 1.00 Kohm 1 4.99 KOhm 1 10.0 Kohm • Diodes 1 1N4001-T 4 1N4148G 2 1N5231BTR](https://reader034.vdocuments.us/reader034/viewer/2022042214/5eb9a88bf6ae430ec22232f6/html5/thumbnails/1.jpg)
ECE 2300
Electronics Circuits and
Electronics Devices Laboratory
Gregg Chapman
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Laboratory 6Diodes
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Background
• Diodes• Small Signal
• Rectifiers• Half wave
• Full Wave
• Zener Diodes
• Light Emitting Diodes (LED)
Screencast: 0:16
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Diodes
Current Flow
Screencast: 0:38
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Zener Diodes
Screencast: 1:23
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Light Emitting Diodes
Screencast: 2:10
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Lab Supplies• Resistors
1 150 Ohm
1 1.00 Kohm
1 4.99 KOhm
1 10.0 Kohm
• Diodes
1 1N4001-T
4 1N4148G
2 1N5231BTR
1 WP3A8GD (Green LED)
• Transformer (From Lab Monitors) 1 PE-5156XNL
Screencast: 2:47
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Lab Supplies• Breadboard
• Oscilloscope
• Function Generator
• Power Supply
• BNC-to-Mini-grabber (2)
• BNC Cable
• BNC T-Adapter
• Banana to Mini-grabber, black (3)
• Banana to Mini-grabber, red (3)
Screencast: 3:32
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Cabling
Screencast: 4:06
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Test Set-up
• BNC T-Adapter on output of Function Generator
• BNC cable from T-Adapter to Channel 1 of the Oscilloscope
• BNC to Mini-clip from T-Adapter to the input
• BNC to Mini-clip from Channel 2 of the Oscilloscope to the output
Screencast: 4:18
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Circuits
1. Half Wave Rectifiers (positive)
2. Half Wave Rectifier (negative)
3. Full Wave Rectifier
4. LED
5. Zener Diode
6. Zener Clipping Circuit
Screencast: 4:39
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Function Generator Setup 1a
• Sine Wave
• Begin with 5V peak-to-peak amplitude
• Offset should remain at 0V
• Begin with 100 Hz
Screencast: 5:19
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Screencast: 5:35
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Function Generator Setup 1b & 2
• Sine Wave
• Begin with 5V peak-to-peak amplitude
• Offset should remain at 0V
• Change frequency to 100 Kilohertz
Screencast: 6:53
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Half Wave Rectifier 1b
Screencast: 7:07
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Half Wave Rectifier 2
Screencast: 7:23
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Measurements• Circuits 1a ,1b and 2 (Half wave rectifiers):
• Peak voltages (input, output and difference) at specified frequencies (100 HZ or 100 KHz. See table)
Screencast: 7:38
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Function Generator Setup 3
• Sine Wave
• Begin with 5V peak-to-peak amplitude
• Offset should remain at 0V
• Change frequency to 10 Kilohertz
Screencast: 7:46
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Full Wave Rectifier
Screencast: 7:59
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Measurements• Circuits 1a ,1b and 2 (Half wave rectifiers):
• Peak voltages (input, output and difference) at specified frequencies (100 HZ or 5 KHz. See table)
• Circuit 3 (Full Wave Rectifier)• Peak voltages (input, output and difference) at 10 KHz• Ripple voltage with 0.1 uF capacitor in parallel with 10 Kohm Resistor
Screencast: 8:51
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Test Set-up
• +12V from Power Supply ( + output of dual section)
• Ground from Power supply ( Black connector of dual section)
• Digital Multi-meter
Screencast: 10:19
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Rigol DP1308ATriple Power Supply
Screencast: 10:38
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LED Circuit
2.1V
10 mA
Screencast: 11:03
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Calculations• Circuit 4 (LED)
• Calculate resistor required for 10mA in the LED. Assume 2.1V for voltage drop across LED. (Use closest resistor value available in kit for circuit).
Screencast: 11:34
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Zener Diode
Zener Voltage
Screencast: 11:44
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Measurements• Circuits 1a ,1b and 2 (Half wave rectifiers):
• Peak voltages (input, output and difference) at specified frequencies (100 HZ or 5 KHz. See table)
• Circuit 3 (Full Wave Rectifier)• Peak voltages (input, output and difference) at 10 KHz• Ripple voltage with 0.1 uF capacitor in parallel with 10 Kohm Resistor
• Circuit 4 (LED)• Measure current through LED
• Circuit 5 (Zener diode)• Measure current and voltage across Zener for resistor values of 150, 1.00K and 4.99 K Ohms.
Screencast: 12:26
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Function Generator Setup 6
• Sine Wave
• 20V peak-to-peak amplitude
• 1000 Hz
Screencast: 12:45
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Zener Input Clipping
Screencast: 13:00
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Measurements• Circuits 1a ,1b and 2 (Half wave rectifiers):
• Peak voltages (input, output and difference) at specified frequencies (100 HZ or 5 KHz. See table)
• Circuit 3 (Full Wave Rectifier)• Peak voltages (input, output and difference) at 10 KHz• Ripple voltage with 0.1 uF capacitor in parallel with 10 Kohm Resistor
• Circuit 4 (LED)• Measure current through LED
• Circuit 5 (Zener diode)• Measure current and voltage across Zener for resistor values of 150, 1.00K and 4.99 K Ohms.
• Circuit 6 (Zener clipping circuit)• Measure maximum positive voltage and minimum negative voltage.
Screencast: 13:31
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Lab 6 Circuit Schematics1a 1b 2
3
4 5
Three different values
6
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Lab 6 Results
ResistorValue
MeasuredCurrent
ZenerVoltage
150 Ohm1.00 KOhms4.99 KOhms
Zener Diode Results
Calculated Resistor(Ohms)
Current(mA)
LED Circuit
Rectifiers
Saturation Voltage Volts
PositiveNegative
Zener Clipping Results
CircuitTest
FrequencyPeak
VoltageIn
PeakVoltageOut
VoltageDifference
Half Wave Rectifier 1a 100 Hz
Half Wave Rectifier 1b 10 KHz
Half Wave Rectifier 2 10 KHz
Full Wave Rectifier 10 KHz
Circuit Ripple(milliVolts)
Full Wave Rectifier with 0.1 uF Capacitor