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Design of the voltage reference In lab 2 we found that a Zener diode can be used as a voltage reference (i.e. a constant voltage). The voltage reference that we will use for the regulated supply is shown in figure 2 below,. Unregulated DC from figure 1 R Pot Voltage reference D1 Vz-6 1N4735A 10k Figure 2: Implementation of a voltage reference Note: The reference voltage above is independent of the unregulated DC input, provided that the unregulated DC is sufficiently large. Also, the voltage reference can be varied with the setting of the potentiometer. The ability to vary the voltage reference with the setting of the potentiometer will eventually provide us with a means to change the output voltage of the power supply. The design of the voltage reference involves picking a reasonable value for R in figure 2. Find R so that about 10 mA flows through the Zener diode. (The magnitude of the unregulated DC voltage was found in experiment 2.)

Design of the voltage reference In lab 2 we found that a Zener diode can be used as a voltage reference (i.e. a constant voltage). The voltage reference that we will use for the regulated supply is shown in figure 2 below,. Unregulated DC from figure 1 R Pot Voltage reference D1 Vz-6 1N4735A 10k Figure 2: Implementation of a voltage reference Note: The reference voltage above is independent of the unregulated DC input, provided that the unregulated DC is sufficiently large. Also, the voltage reference can be varied with the setting of the potentiometer. The ability to vary the voltage reference with the setting of the potentiometer will eventually provide us with a means to change the output voltage of the power supply. The design of the voltage reference involves picking a reasonable value for R in figure 2. Find R so that about 10 mA flows through the Zener diode. (The magnitude of the unregulated DC voltage was found in experiment 2.)

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Find R. (See figure 1 and 2)
In experiment 2 you designed the unregulated power supply : tronecgulated power supply is one whose output voltage is proportional to the transformer voltage. The transformer voltage will vary directly with the AC line voltage and somewhat with the current drawn from the transformer. A regulated power supply Such as your laboratory supply) contains a voltage regulator that provides an output voltage, which is independent of the transformer voltage provided that the transformer voltage is large enough to operate the regulator. setti volt The Fine unr The T1 Unregulated DC 120 VAC 60 Hz 12 VAC RMS To 4. TS VIRTUAL 3 wit C1 reg fun 1000 uF Figure 1: Unregulated power supply Experiment 3 The ref 1 Ex
Transcribed Image Text:In experiment 2 you designed the unregulated power supply : tronecgulated power supply is one whose output voltage is proportional to the transformer voltage. The transformer voltage will vary directly with the AC line voltage and somewhat with the current drawn from the transformer. A regulated power supply Such as your laboratory supply) contains a voltage regulator that provides an output voltage, which is independent of the transformer voltage provided that the transformer voltage is large enough to operate the regulator. setti volt The Fine unr The T1 Unregulated DC 120 VAC 60 Hz 12 VAC RMS To 4. TS VIRTUAL 3 wit C1 reg fun 1000 uF Figure 1: Unregulated power supply Experiment 3 The ref 1 Ex
Design of the voltage reference In lab 2 we found that a Zener diode can be used as a voltage reference (i.e. a constant voltage). The voltage reference that we will use for the regulated supply is shown in figure 2 below. Unregulated DC from figure 1 R Pot Voltage reference D1 Vz-6 1N4735A 10k Figure 2: Implementation of a voltage reference Note: The reference voltage above is independent of the unregulated DC input, provided that the unregulated DC is sufficiently large. Also, the voltage reference can be varied with the setting of the potentiometer. The ability to vary the voltage reference with the setting of the potentiometer will eventually provide us with a means to change the output voltage of the power supply. The design of the voltage reference involves picking a reasonable value for R in figure 2. Find R so that about 10 mA flows through the Zener diode. (The magnitude of the unregulated DC voltage was found in experiment 2.)
Transcribed Image Text:Design of the voltage reference In lab 2 we found that a Zener diode can be used as a voltage reference (i.e. a constant voltage). The voltage reference that we will use for the regulated supply is shown in figure 2 below. Unregulated DC from figure 1 R Pot Voltage reference D1 Vz-6 1N4735A 10k Figure 2: Implementation of a voltage reference Note: The reference voltage above is independent of the unregulated DC input, provided that the unregulated DC is sufficiently large. Also, the voltage reference can be varied with the setting of the potentiometer. The ability to vary the voltage reference with the setting of the potentiometer will eventually provide us with a means to change the output voltage of the power supply. The design of the voltage reference involves picking a reasonable value for R in figure 2. Find R so that about 10 mA flows through the Zener diode. (The magnitude of the unregulated DC voltage was found in experiment 2.)
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