test your brain!
DESCRIPTION
TEST YOUR BRAIN!. Basic Circuits. Creates a set voltage. Potential Dividers. R1 = 40. R1 = 100. R1 = 20. R1. Vs = 10V. Vs = 10V. Vs = 10V. Vs. Vout = Vs x R2 R1 + R2. Vout = 3.3V. Vout = 5V. Vout = 6.6V. R2 = 20. R2 = 40. R2 = 100. - PowerPoint PPT PresentationTRANSCRIPT
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TESTYOUR
BRAIN!
Basic
Circ
uits
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PotentialDividers
Creates a setvoltage
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Potential Divider
R1
R2
Vs Vout = Vs x R2 R1 + R2
Vout = 10 x 100 = 1000 = 5V 100 +100 200
R1 = 100
Vs = 10V
R2 = 100
Vout = 5V
Vout = 10 x 40 = 400 = 6.6V 20 + 40 60
R1 = 20
Vs = 10V
R2 = 40
Vout = 6.6V
Vout = 10 x 20 = 200 = 3.3V 40+20 60
R1 = 40
Vs = 10V
R2 = 20
Vout = 3.3V
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Potentiometer
Creates an adjustablevoltage
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Potentiometer
VR1
10V10V
Volts
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Potentiometer
VR1
10V
7.5V
Volts
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Potentiometer
VR1
10V
5V
Volts
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Potentiometer
VR1
10V
2.5V
Volts
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Potentiometer
VR1
10V
0V
Volts
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LDRPotential Divider
Converts a lightlevel intoa voltage
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LDR Potential Divider
10V
Vout
VoltsLDRResistance
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LDR Potential Divider
10V
Vout
VoltsLDRResistance
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LDR Potential Divider
10V
Vout
VoltsLDRResistance
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LDR Potential Divider
10V
Vout
VoltsLDRResistance
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LDR Potential Divider
10V
Vout
VoltsLDRResistance
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Comparator
Compares twodifferent input
voltages
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Comparator
Inverting > Non-inverting
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Comparator
Inverting = Non-inverting
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Comparator
Inverting < Non-inverting
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Light Sensor
LED lights onwhen it is dark
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Light Sensor
LDRResistance
Inverting inputvoltage
Output voltage
-+
10V
Vout
Non-Inverting inputvoltage
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Light Sensor
LDRResistance
Inverting inputvoltage
Output voltage
-+
10V
Vout
Non-Inverting inputvoltage
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Light Sensor
LDRResistance
Inverting inputvoltage
Output voltage
-+
10V
Vout
Non-Inverting inputvoltage
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Light Sensor
LDRResistance
Innverting inputvoltage
Output voltage
-+
10V
Vout
Non-Inverting inputvoltage
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555 Timer
Astable Circuit
Producescontinuous pulses
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555 Astable Circuit
F = . 1.44 . (R1+2R2) x C1
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555 Astable Circuit
SMALLCAPACITOR
HIGHFREQUENCY
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555 Astable Circuit
LARGECAPACITOR
LOWFREQUENCY
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555 Timer
Monostable Circuit
Produces apulse of a set
length
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555 Monostable Circuit
T = 1.1 x C1 x R1
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555 Monostable Circuit
Trigger
Output
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555 Monostable Circuit
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Field Effect Transistor
(FET)
Allows a voltage tocontrol a large
Current.
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Transistor Driver
B
C
E
A small current onthe base createsa large current
through thespeaker
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Transistor Driver
B
C
E
A small current onthe base creates a
large currentthrough the
lamp
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Field Effect Transistor
(FET)
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FET Driver
V
A voltage on thegate controls thecurrent through
the lamp.
G
D
S
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Logic Gates
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AND
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AND Gate
A B Q
0 0 0
Truth Table
A BQ
A=0
B=0Q=0
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AND Gate
A B Q
0 0 0
0 1 0
Truth Table
A BQ
A=0
B=1Q=0
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AND Gate
A B Q
0 0 0
0 1 0
1 0 0
Truth Table
A BQ
A=1
B=0Q=0
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AND Gate
A B Q
0 0 0
0 1 0
1 0 0
1 1 1
Truth Table
A BQ
A=1
B=1Q=1
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OR
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OR Gate
A B Q
0 0 0
Truth Table
A
B Q
A=0
B=0Q=0
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OR Gate
A B Q
0 0 0
0 1 1
Truth Table
A
B Q
A=0
B=1Q=1
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OR Gate
A B Q
0 0 0
0 1 1
1 0 1
Truth Table
A
B Q
A=1
B=0Q=1
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OR Gate
A B Q
0 0 0
0 1 1
1 0 1
1 1 1
Truth Table
A
B Q
A=1
B=1Q=1
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NOT
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NAND
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NOR
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Symbol
ResistorA resistor limits
the amountof current
flowing in a circuit