PASCO Specialty & Mfg. AC/DC Electronics Laboratory EM-8656 User Manual

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89
012-05892A
AC/DC Electronics Laboratory
®
Connect a black banana plug patch cord from the negative (-) terminal of the Power Amplifier to
the negative terminal of the DC power supply.
Put alligator clips on the banana plugs of the Voltage Sensor. Connect the red lead of the sensor
to the component spring at the right end of the 330 
Ω
 resistor and the black lead to the left end of
the resistor.
11
Connect the red lead (+) from the Power Amplifier with an alligator clip to the bottom of the
22 k
Ω
 resistor.
PART III: Data Recording
Turn on the DC power supply and adjust its voltage output to exactly +5 Volts.
Turn on the power switch on the back of the power amplifier.
Click the “ON” button (
) in the Signal Generator window.
Observe the behavior of the LED. Write a description of what you observe.
Click the “REC” button (
) to begin recording data. Recording will stop automatically after
200 samples are measured.
Run #1 will appear in the Data list in the Experiment Setup window.
3 VOLTS MAX
C
W
EM-8656 
AC/DC ELECTRONICS LABORATORY
C
B
E
+
to
Ground
to
Power Amp
to
Power Supply
+5V
330 
Ω
Res
22 k
Ω
 Res
Cathode
LED
to Channel A
Transistor 2N3904