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A test probe, test prod, scope probe or test lead is a physical device used to connect electronic test equipment to a device under test or DUT. They range from very simple, rugged devices to complex probes that are sophisticated, expensive, and fragile. A current probe generates a voltage proportional to a current in the circuit being measured; as the proportionality constant is known, instruments that respond to voltage can be calibrated to indicate current. Current probes can be used both by measuring instruments and oscilloscopes. To measure or display the modulating waveform of a modulated high-frequency signal, for example: an amplitude-modulated radio signal-a probe fitted with a simple diode de-modulator can be used. The probe will output the modulating waveform without the high-frequency carrier.

In-circuit test or ICT is an example of white box testing where an electrical probe tests a populated printed circuit board "PCB", checking for shorts, opens, resistance, capacitance, and other basic quantities which will show whether the assembly was correctly fabricated. It may be performed with a bed of nails type test fixture and specialist test equipment, or with a fixture-less in-circuit test setup.

A function generator is usually a piece of electronic test equipment or software used to generate different types of electrical wave forms over a wide range of frequencies. Some of the most common wave forms produced by the function generator are the sine, square, triangular and saw-tooth shapes. These wave forms can be either repetitive or single-shot which requires an internal or external trigger source. Integrated circuits used to generate wave forms may also be described as function generator ICs. Although function generators cover both audio and RF frequencies, they are usually not suitable for applications that need low distortion or stable frequency signals. When those traits are required, other signal generators would be more appropriate. Some function generators can be phase-locked to an external signal source which may be a frequency reference or another function generator. Function generators are used in the development, test and repair of electronic equipment. For example, they may be used as a signal source to test amplifiers or to introduce an error signal into a control loop.

GEYA Dual

GEYA Dual Power Automatic Transfer Switch 4P 100A 400V 50 60Hz PC Level

GEYA Dual Power Automatic Transfer Switch 4P 100A 400V 50 60Hz PC Level

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GEYA Dual

GEYA Dual Power Automatic Transfer Switch 2P 100A 63A 220V 50 60Hz PC Level

GEYA Dual Power Automatic Transfer Switch 2P 100A 63A 220V 50 60Hz PC Level

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GEYA Automatic

GEYA Automatic Transfer Switch 3P 100A 400V 50 60Hz Dual Power PC Level

GEYA Automatic Transfer Switch 3P 100A 400V 50 60Hz Dual Power PC Level

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NEW TFV12

NEW TFV12 Prince Coilss WITH COTTON for V12 Prince Q4 MAX Dual Triple Mesh

NEW TFV12 Prince Coilss WITH COTTON for V12 Prince Q4 MAX Dual Triple Mesh

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WindyNation 31

WindyNation 31 Dual Wall Adhesive Glue Lined Marine Grade Heat Shrink Tubing

WindyNation 31 Dual Wall Adhesive Glue Lined Marine Grade Heat Shrink Tubing

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New NIOB

New NIOB DSC LC 151 Dual Tech Outdoor Motion Detector Sensor PIR Security

New NIOB DSC LC 151 Dual Tech Outdoor Motion Detector Sensor PIR Security

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5pc Dual

5pc Dual Row 5 Position Screw Terminal Electric Barrier Strip Block 600V 15A

5pc Dual Row 5 Position Screw Terminal Electric Barrier Strip Block 600V 15A

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5pcs Dual

5pcs Dual Row 12 Positions Screw Terminal Electric Barrier Strip Block 600V 15A

5pcs Dual Row 12 Positions Screw Terminal Electric Barrier Strip Block 600V 15A

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V5i Dual

V5i Dual Opamp Burson Audio V5i D

V5i Dual Opamp Burson Audio V5i D

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GE THQL1120DFP

GE THQL1120DFP Dual Function GFCI AFCI

GE THQL1120DFP Dual Function GFCI AFCI

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5pcs Dual

5pcs Dual Row 12 Positions Screw Terminal Electric Barrier Strip Block 600V US

5pcs Dual Row 12 Positions Screw Terminal Electric Barrier Strip Block 600V US

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Square D

Square D HOM120PDFC Homeline Dual Function CAFI W Plug On Neutral

Square D HOM120PDFC Homeline Dual Function CAFI W Plug On Neutral

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Square D

Square D QO120PDF Square D QO 20A 1 Pole 120V Plug in Mount Dual Function Mini

Square D QO120PDF Square D QO 20A 1 Pole 120V Plug in Mount Dual Function Mini

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270PCS 31

270PCS 31 Waterproof Dual Wall Adhesive Heat Shrink Wire Heatshrink Tubing Kits

270PCS 31 Waterproof Dual Wall Adhesive Heat Shrink Wire Heatshrink Tubing Kits

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50 6

50 6 Pcs 3 16 48mm Black 31 Heat Shrink Tubing Adhesive Lined Dual Wall

50 6 Pcs 3 16 48mm Black 31 Heat Shrink Tubing Adhesive Lined Dual Wall

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Lot 5

Lot 5 4 Position 600V 25A Barrier Dual Row Terminal Block Strip w Cover RoHS

Lot 5 4 Position 600V 25A Barrier Dual Row Terminal Block Strip w Cover RoHS

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