This is a design question related to a flashing or blinking traffic safety signal. You have likely noticed the blinking safety lights set up near construction zones that alert traffic to crews working to repair roads and related structures. These periodically blinking lights are powered by a generator or another energy source. In this design exercise, your goal is going to design a periodically blinking neon lamp that performs as follows: The light blinks at 10 Hz frequency, i.e. once every 0.1 seconds. The required circuit must be based on following constraints. 1.Utilize an appropriate R-C circuit powered by a 120 V DC source. This RC circuit will be the energy source to power a single Neon Lamp. 2. Neon and other gas-based lamps often require a threshold voltage before they turn "on", i.e. emit light. The neon lamp you will use has a turn-on voltage of 70 V. In the provided LTspice model of such a neon lamp, you can explore how this light turns on and off (i.e. the current through the lamp is high when the lamp is on), when it is powered by a pulsed voltage source. Play around with the pulsed source parameters to investigate the lamp's behavior. However, keep the lamps LTspice parameters fixed (i.e. do not change the attributes of the lamp). NeonLamp-Final.asc 3. Using the RC circuit Power your Neon Lamp so that it turns on every 0.1 seconds (10 Hz frequency). The time for which it remains on is not critical, but should obviously be much less than 0.1 seconds. V1 + PULSE(0 120 0 0.5m 0.5m 100m 0.5 10) .tran 5 R2 22 150 ■ U1 1. The neon lamp "value2" items - namely vstrike - sets the voltage at which the lamp turns on 2. There should be no need to change any lamp parameters for your desin
This is a design question related to a flashing or blinking traffic safety signal. You have likely noticed the blinking safety lights set up near construction zones that alert traffic to crews working to repair roads and related structures. These periodically blinking lights are powered by a generator or another energy source. In this design exercise, your goal is going to design a periodically blinking neon lamp that performs as follows: The light blinks at 10 Hz frequency, i.e. once every 0.1 seconds. The required circuit must be based on following constraints. 1.Utilize an appropriate R-C circuit powered by a 120 V DC source. This RC circuit will be the energy source to power a single Neon Lamp. 2. Neon and other gas-based lamps often require a threshold voltage before they turn "on", i.e. emit light. The neon lamp you will use has a turn-on voltage of 70 V. In the provided LTspice model of such a neon lamp, you can explore how this light turns on and off (i.e. the current through the lamp is high when the lamp is on), when it is powered by a pulsed voltage source. Play around with the pulsed source parameters to investigate the lamp's behavior. However, keep the lamps LTspice parameters fixed (i.e. do not change the attributes of the lamp). NeonLamp-Final.asc 3. Using the RC circuit Power your Neon Lamp so that it turns on every 0.1 seconds (10 Hz frequency). The time for which it remains on is not critical, but should obviously be much less than 0.1 seconds. V1 + PULSE(0 120 0 0.5m 0.5m 100m 0.5 10) .tran 5 R2 22 150 ■ U1 1. The neon lamp "value2" items - namely vstrike - sets the voltage at which the lamp turns on 2. There should be no need to change any lamp parameters for your desin
Chapter3: Magnetic Starters
Section: Chapter Questions
Problem 30SQ
Related questions
Question
1.Utilize an appropriate R-C circuit powered by a 120 V DC source. This RC circuit will be the energy source to power a single Neon Lamp.
2. Neon and other gas-based lamps often require a threshold voltage before they turn "on", i.e. emit light. The neon lamp you will use has a turn-on voltage of 70 V. In the provided LTspice model of such a neon lamp, you can explore how this light turns on and off (i.e. the current through the lamp is high when the lamp is on), when it is powered by a pulsed voltage source. Play around with the pulsed source parameters to investigate the lamp's behavior.
However, keep the lamps LIspice parameters fixed (i.e. do not change the attributes of the lamp).
3. Using the RC circuit Power your Neon Lamp so that it turns on every 0.1 seconds (10 Hz frequency). The time for which it remains on is not critical, but should obviously be much less than 0.1 seconds.
Transcribed Image Text:This is a design question related to a flashing or blinking traffic safety signal. You have likely
noticed the blinking safety lights set up near construction zones that alert traffic to crews
working to repair roads and related structures. These periodically blinking lights are powered
by a generator or another energy source. In this design exercise, your goal is going to design a
periodically blinking neon lamp that performs as follows: The light blinks at 10 Hz frequency,
i.e. once every 0.1 seconds. The required circuit must be based on following constraints.
1.Utilize an appropriate R-C circuit powered by a 120 V DC source. This RC circuit will be the
energy source to power a single Neon Lamp.
2. Neon and other gas-based lamps often require a threshold voltage before they turn "on",
i.e. emit light. The neon lamp you will use has a turn-on voltage of 70 V. In the provided
LTspice model of such a neon lamp, you can explore how this light turns on and off (i.e. the
current through the lamp is high when the lamp is on), when it is powered by a pulsed voltage
source. Play around with the pulsed source parameters to investigate the lamp's behavior.
However, keep the lamps LTspice parameters fixed (i.e. do not change the attributes of the
lamp).
NeonLamp-Final.asc
3. Using the RC circuit Power your Neon Lamp so that it turns on every 0.1 seconds (10 Hz
frequency). The time for which it remains on is not critical, but should obviously be much less
than 0.1 seconds.
Transcribed Image Text:V1
+
PULSE(0 120 0 0.5m 0.5m 100m 0.5 10)
.tran 5
R2
22
150
■ U1
1. The neon lamp "value2" items - namely vstrike - sets the voltage at which the lamp turns on
2. There should be no need to change any lamp parameters for your desin
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