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Oscilloscope Probe

An oscilloscope probe is a device that makes physical and electrical connections between a test point or signal source and an oscilloscope

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Description

An oscilloscope probe is a device that makes physical and electrical connections between a test point or signal source and an oscilloscope. Depending on your measurement needs, this connection can be made with something as simple as a length of wire or with something as sophisticated as an active differential probe. Essentially, a probe is some sort of device or network that connects the signal source to the input of the oscilloscope.

How oscilloscope probes work

An oscilloscope probe provides a quality connection between the signal source—or device under test (DUT)—and an oscilloscope. There are a number of important considerations when choosing and using an oscilloscope probe, including the physical attachment, impact on circuit operation, and signal transmission.

Most probes have at least a meter or two of cable associated with them. Probe cables allow the oscilloscope to be left in a stationary position on a cart or benchtop while the probe is moved from the test point to the test point in the circuit being tested. However, the probe cable may reduce the probe’s bandwidth in some cases. Therefore, the longer the cable, the greater the reduction.

Most probes also have a probe head, or handle, with a probe tip. The probe head allows you to hold the probe while you maneuver the tip to the test point. Often, this probe tip is in the form of a spring-loaded hook that allows you to attach the probe to the test point.

Attaching the probe to the test point establishes an electrical connection between the probe tip and the oscilloscope input. So it is imperative that the probe has a minimum impact (typically referred to as “load”) on the probed circuit and that it maintains adequate signal fidelity for the desired measurements. If the probe doesn’t maintain signal fidelity, or if it changes the signal in any way or changes the way a circuit operates, the oscilloscope sees, and therefore reports, a distorted version of the actual signal

Specifications
 Price  PKR 68,750/probe
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