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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 typically 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 typically 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.

500pcs Electrolytic

500pcs Electrolytic Capacitor Assortment Kit 01UF 1000UF 10V 50V 24 Value w Box

500pcs Electrolytic Capacitor Assortment Kit 01UF 1000UF 10V 50V 24 Value w Box

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300Pcs Heat

300Pcs Heat Shrink Insulated Butt Crimp Wire Connector Terminals Assortment NEW

300Pcs Heat Shrink Insulated Butt Crimp Wire Connector Terminals Assortment NEW

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415pcs 10

415pcs 10 Sizes Assortment Ratio 21 Heat Shrink Tubing Sleeving Wrap Wire Kit

415pcs 10 Sizes Assortment Ratio 21 Heat Shrink Tubing Sleeving Wrap Wire Kit

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300Pcs Heat

300Pcs Heat Shrink Insulated Butt Crimp Wire Connector Terminals Assortment

300Pcs Heat Shrink Insulated Butt Crimp Wire Connector Terminals Assortment

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1000Pcs 1

1000Pcs 1 2W 100 Values 1 10M Assorted Carbon Film Resistors Assortment Kit US

1000Pcs 1 2W 100 Values 1 10M Assorted Carbon Film Resistors Assortment Kit US

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Radial Electrolytic

Radial Electrolytic Capacitor Assortment Kit LOT of 390 caps

Radial Electrolytic Capacitor Assortment Kit LOT of 390 caps

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1460pcs 1

1460pcs 1 4W Metal Film Resistor Kit Assortment Set Labelled 1 Precision

1460pcs 1 4W Metal Film Resistor Kit Assortment Set Labelled 1 Precision

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2600 pcs

2600 pcs 130 Values 1 4W 025W 1ohm 3M Resistor Resistors Kit Assortment Set

2600 pcs 130 Values 1 4W 025W 1ohm 3M Resistor Resistors Kit Assortment Set

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Professional High

Professional High quality 500 Pcs Electrolytic Assortment Kits 01UF 1000UF NEW

Professional High quality 500 Pcs Electrolytic Assortment Kits 01UF 1000UF NEW

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600PCS Ceramic

600PCS Ceramic Capacitor Assortment Kit With 500PCS Electrolytic Capacitor Kit

600PCS Ceramic Capacitor Assortment Kit With 500PCS Electrolytic Capacitor Kit

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1200 Piece

1200 Piece High Temperature Non Insulated Wire Terminal Connector Assortment Kit

1200 Piece High Temperature Non Insulated Wire Terminal Connector Assortment Kit

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360 piece

360 piece Solderless Electrical Terminal Assortment 18 Sizes

360 piece Solderless Electrical Terminal Assortment 18 Sizes

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165 pcs

165 pcs ATC MINI Low Profile Mini Blade Fuse Auto Car FUSES Assortment Kit

165 pcs ATC MINI Low Profile Mini Blade Fuse Auto Car FUSES Assortment Kit

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500pcs 24

500pcs 24 Types 10V 50V Electrolytic Capacitor Assortment Kit 01uf 1000uf + Box

500pcs 24 Types 10V 50V Electrolytic Capacitor Assortment Kit 01uf 1000uf + Box

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200Pcs 630V

200Pcs 630V 25 values 0001uf 22uf CBB Metal Film Capacitors Assortment Kit

200Pcs 630V 25 values 0001uf 22uf CBB Metal Film Capacitors Assortment Kit

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324 Pcs

324 Pcs Clear Heat Shrink Tubing Assortment Cable Wrap Kit Transparent Tube Set

324 Pcs Clear Heat Shrink Tubing Assortment Cable Wrap Kit Transparent Tube Set

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1200pcs 24

1200pcs 24 Values 50V 10pF 10uF Ceramic Capacitors Assortment Kit With Box

1200pcs 24 Values 50V 10pF 10uF Ceramic Capacitors Assortment Kit With Box

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630V 0001

630V 0001 47uF Axial Film Capacitors assortment 15Values 5 each75Pcs

630V 0001 47uF Axial Film Capacitors assortment 15Values 5 each75Pcs

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