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Oscilloscope Laboratory
closed
Taught by
George B.
Subject:
Electronics
- Saturday May 18, 10:00 - 13:00
- Sunday May 19, 10:00 - 13:00
A six hour course over two days.
Oscilloscopes are well known as highly versatile instruments, but
some limited observations around TX/RX Labs indicate that many who try
to use them do not have sufficient knowledge to use them effectively.
This course aims at correcting that.
Specific objectives are for students to learn:
- Safety: potential hazards and how to avoid them.
- What’s inside: general notions of how an oscilloscope produces a display (most details omitted).
- Damage prevention: using an oscilloscope without damaging it or its accessories such as probes.
- Probe adjustment: reducing the distortion of signals by probes.
- Connection: minimizing the effect of probe attachment to circuits under test.
- Single waveform display: setting controls for viewing and measuring various waveforms.
- Multiple waveform display: observing and measuring the differences between two waveforms, including phase shift.
- Interference reduction: arranging connections and controls to reduce
noise, power-line interference and other interfering signals.
- Oscilloscope limitations: understand signal range limits, bandwidth effects, accuracy, etc.
- Calibration checking.
- Something about different types of oscilloscopes.
This is mostly a hands-on course, with some short lectures between
laboratory sessions. Laboratory exercises are designed to illustrate a
range of techniques and applications that is as broad as time permits.
Examples are measurements of continuous signals such as sine waves, AM
and FM signals, signals with pulses, and signals imbedded in random
noise; observation of characteristic curves of two-terminal devices such
as diodes; and application of delayed triggering to observe brief
signal events. A handout will be available. Students may not be able to
perform all of the laboratory exercises in the handout during class
time, but should be able to do them at TX/RX Labs outside of class.
Oscilloscopes are well known as highly versatile instruments, but
some limited observations around TX/RX Labs indicate that many who try
to use them do not have sufficient knowledge to use them effectively.
This course aims at correcting that.
Specific objectives are for students to learn:
- Safety: potential hazards and how to avoid them.
- What’s inside: general notions of how an oscilloscope produces a display (most details omitted).
- Damage prevention: using an oscilloscope without damaging it or its accessories such as probes.
- Probe adjustment: reducing the distortion of signals by probes.
- Connection: minimizing the effect of probe attachment to circuits under test.
- Single waveform display: setting controls for viewing and measuring various waveforms.
- Multiple waveform display: observing and measuring the differences between two waveforms, including phase shift.
- Interference reduction: arranging connections and controls to reduce
noise, power-line interference and other interfering signals.
- Oscilloscope limitations: understand signal range limits, bandwidth effects, accuracy, etc.
- Calibration checking.
- Something about different types of oscilloscopes.
This is mostly a hands-on course, with some short lectures between
laboratory sessions. Laboratory exercises are designed to illustrate a
range of techniques and applications that is as broad as time permits.
Examples are measurements of continuous signals such as sine waves, AM
and FM signals, signals with pulses, and signals imbedded in random
noise; observation of characteristic curves of two-terminal devices such
as diodes; and application of delayed triggering to observe brief
signal events. A handout will be available. Students may not be able to
perform all of the laboratory exercises in the handout during class
time, but should be able to do them at TX/RX Labs outside of class.
When you register classes, an account will be created at txrxlabs.org using your email address. You will be emailed login credentials. Most people who take classes with us just ignore this email, and that is fine.
Come to the lab in person and ask to see Roland or any officer. They can accept payment and give you a receipt. Some classes do have an enrollment cap, so it is better to do this sooner than later.
Most classes are for beginners, and clicking on the class title will take you to the class detail page. The right column shows prerequisites and requirements. If you mouse over them you will see what is required for that class. Some classes require a brief safety class which is taught 20 minutes before the class. Additionally, there may be fee notes which explain how much of the cost goes towards materials.