1. As performed, state the differences of a shunt and series voltage regulator circuit.
1. As performed, state the differences of a shunt and series voltage regulator circuit.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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![Activity 2: The Zener Diode Voltage Regulator
R1
V1
1000
E12V
DC 10MOHM
330
XMM1
U2
D1
5.955
1N4737A
R3.
Iko: 100 %:
Key=A
12V
Multimeter-XMM1
Multimeter-XMM2
U1
DC 1e-090hm
XMM2
0.011n
24 V
180.451 mA
A
V
dB
A
V
dB
Set...
Set...
1. Connect the circuit as represented in the schematic
circuit.
2. Ensure the Positive Variable Power Supply and Negative
Variable Power Supply are set fully
counter clockwise (minimum). Note: The two variable
power supplies have been configured so that together they
provide a supply of up to 24v. Each providing 12V output.
This supply is used to provide the supply (VS) to the circuit)
3. Open the DMM. This displays the voltage VS, but if amps
is selected it displays the current through the load (IL).
4. Open the MCM. Channel 1 (Top) displays the current
passing through the Zener diode (Id),
channel 2 displays the voltage across the diode.
5. Slowly increase Vs by adjusting the NVPS until the diode
just begins to conduct current. Record Vs and IL = 0 in the
first row of the table.
6. Adjust the NVPS until Vs equals 10V, now adjust the
PVPS control until Vs equals 12V, the diode
current will increase above 5mA. Then adjust RL until the
diode current just returns to
approximately 5mA. Again record Vs and IL
7. Repeat this for Vs = 14, 16, 18 and 20 V recording the
results in a table as shown below.
%3D
Supply Voltage (Vs)
Load Current (IL) millliamps
24
180.451
12
7.26
14
7.274
16
7.282
18
7.287
7.292
With the given data above, answer all the following questions:
Discussion of Results:
Conclusion:
Assessment Task:
1. As performed, state the differences of a shunt and series
voltage regulator circuit.
2. What is the important role of a regulator in a circuit? Why
is it needed?
3. Define the main difference between a rectifier diode and a
Zener diode? What is their difference in circuit
applications?
4. What is the effect of applying negative voltage onto the
Zener diode?
20](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcadb966c-6874-4ee9-bf88-dff88bee018e%2Fef87d49d-7258-4c1e-b5d3-7ecc3b834dbc%2Fxi0xuun_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Activity 2: The Zener Diode Voltage Regulator
R1
V1
1000
E12V
DC 10MOHM
330
XMM1
U2
D1
5.955
1N4737A
R3.
Iko: 100 %:
Key=A
12V
Multimeter-XMM1
Multimeter-XMM2
U1
DC 1e-090hm
XMM2
0.011n
24 V
180.451 mA
A
V
dB
A
V
dB
Set...
Set...
1. Connect the circuit as represented in the schematic
circuit.
2. Ensure the Positive Variable Power Supply and Negative
Variable Power Supply are set fully
counter clockwise (minimum). Note: The two variable
power supplies have been configured so that together they
provide a supply of up to 24v. Each providing 12V output.
This supply is used to provide the supply (VS) to the circuit)
3. Open the DMM. This displays the voltage VS, but if amps
is selected it displays the current through the load (IL).
4. Open the MCM. Channel 1 (Top) displays the current
passing through the Zener diode (Id),
channel 2 displays the voltage across the diode.
5. Slowly increase Vs by adjusting the NVPS until the diode
just begins to conduct current. Record Vs and IL = 0 in the
first row of the table.
6. Adjust the NVPS until Vs equals 10V, now adjust the
PVPS control until Vs equals 12V, the diode
current will increase above 5mA. Then adjust RL until the
diode current just returns to
approximately 5mA. Again record Vs and IL
7. Repeat this for Vs = 14, 16, 18 and 20 V recording the
results in a table as shown below.
%3D
Supply Voltage (Vs)
Load Current (IL) millliamps
24
180.451
12
7.26
14
7.274
16
7.282
18
7.287
7.292
With the given data above, answer all the following questions:
Discussion of Results:
Conclusion:
Assessment Task:
1. As performed, state the differences of a shunt and series
voltage regulator circuit.
2. What is the important role of a regulator in a circuit? Why
is it needed?
3. Define the main difference between a rectifier diode and a
Zener diode? What is their difference in circuit
applications?
4. What is the effect of applying negative voltage onto the
Zener diode?
20
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