70009 Parallax Inc, 70009 Datasheet - Page 123
70009
Manufacturer Part Number
70009
Description
BOOK UNDERSTANDING SIGNALS
Manufacturer
Parallax Inc
Type
Signal Analysisr
Datasheet
1.70009.pdf
(137 pages)
Specifications of 70009
Style
Book
Title
Understanding Signals
Contents
Guide to Generate, View and Measure Wave Forms
Product
Microcontroller Accessories
Lead Free Status / RoHS Status
Not applicable / Not applicable
Other names
70009PAR
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Quantity
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Notice that output signal is a mirror image of the input signal (inverted), except that the
output signal has twice the amplitude (a gain of 2).
Is the actual gain close to 2? You can also click on the Measurements tab to view and
compare the statistics for both signals.
√
√
√
√
√
Re-run the program OPAmpExamplewithFREQOUT.bs2.
Adjust the tap on the potentiometer by gently twisting the knob until the entire
signal is visible and no longer clipped, as in Figure 8-16 .
Under the Cursors tab, set the Cursor Settings switches to Horizontal Bars and Snap to
Plot .
Measure the voltage difference between the high and low peaks of the input
signal.
Repeat this measurement with the output signal, and then compare the difference
in amplitude.
Figure 8-16:
Potentiometer
input sine wave