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Lab #3
Cables, Wires
Insulating jacket
(PVC)
Outer conductor/shield
(foil/braided wire)
Insulator
(PE or PTFE)
Center
conductor
BNC connectors
© Robert York
2
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Coaxial Connectors
© Robert York
3
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Voltage (or Current)
Periodic Waveform
vmax
v p p
vave
T
© Robert York
vmin
4
Time
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Diode Rectifier Circuit
CH2
Diode
1N4148
Anode
CH1
Function
Generator
Cathode
Band marks cathode
on diode package
100 kΩ
GND
© Robert York
5
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LED and Circuit
Anode
LED
Cathode
Func.
Gen.
Flat on
cathode
side
Red
Yellow
CH1
CH2
1 kΩ
1 kΩ
GND
Anode
(long)
© Robert York
Cathode
(short lead)
6
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Wall Outlet
Function
Generator
Oscilloscope
Ch1
Ch2
BNC
BNC
A
Red
Red
Black
© Robert York
Coax
R1
Coax
B
Black
R2
C
7
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