What is used to decrease circuit loading when using an oscilloscope?

10:1 divider probe.

From kj6prf:

10:1 probes have some circuitry in the probes that increase the impedance of the oscilloscope by a factor of ten, thus leading to better measurements when circuit loading is significant.

Please see Electronics Notes for the article Oscilloscope probes

Also, view pdf from Personal Colby site for the well-illustrated article Diode Probe & 10:1 Divider

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How does a spectrum analyzer differ from a conventional oscilloscope?

The oscilloscope is used to display electrical signals in the time domain while the spectrum analyzer is used to display electrical signals in the frequency domain.

The oscilloscope measures the timing of the signal, while the spectrum analyzer measures signals frequency.

Please see the Oscopes site for the well-illustrated article A Comparison between Oscilloscopes and Spectrum Analyzers

Also, see Wikipedia's article on Spectrum analyzer

See Wikipedia's article Oscilloscope

For more information, please see Tech Target site for the article What is oscilloscope?

Also, Tektronix site for the article How to choose the best oscilloscope

And, Sparkfun site for the article How to Use an Oscilloscope

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What stage determines the maximum frequency response of an oscilloscope?

Vertical amplifier.

Please see EEEGUIDE site for the article Vertical Amplifier:

See Wikipedia's article Oscilloscope

For more information, please see Tech Target site for the article What is oscilloscope?

Also, Tektronix site for the article How to choose the best oscilloscope

And, Sparkfun site for the article How to Use an Oscilloscope

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What factors limit the accuracy, frequency response, and stability of an oscilloscope?

Sweep oscillator quality and deflection amplifier bandwidth.

See Wikipedia's article Oscilloscope

For more information, please see Tech Target site for the article What is oscilloscope?

Also, Tektronix site for the article How to choose the best oscilloscope

And, Sparkfun site for the article How to Use an Oscilloscope

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An oscilloscope can be used to accomplish all of the following except:

Measure velocity of light with the aid of a light emitting diode.

From ai7je:

Primarily, an oscilloscope measures voltage. However, some oscilloscopes have advanced measurement tools that can quickly detect a signal’s characteristics such as amplitude, frequency, current, etc.

Oscilloscope can:

• *A.*Measure electron flow with the aid of a resistor.
• B. Measure phase difference between two signals.
• D. Measure electrical voltage.

See Wikipedia's article Oscilloscope

Also, see Oscilloscope Tools site for the article Oscilloscope tools got explained

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What instrument is used to check the signal quality of a single-sideband radio transmission?

Oscilloscope.

Please see Electronics Notes site for the article Single Sideband Modulation, SSB

Also, see Wikipedia's article Single-sideband modulation

See Wikipedia's article Oscilloscope

For more information, please see Tech Target site for the article What is oscilloscope?

Also, Tektronix site for the article How to choose the best oscilloscope

And, Sparkfun site for the article How to Use an Oscilloscope

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