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A test probe, test prod, scope probe or test lead is a physical device used to link electronic test equipment to a device under test or DUT. They range from extremely easy, rugged devices to complex probes that are sophisticated, expensive, and delicate. A current probe generates a voltage proportional to a current in the circuit being determined; as the proportionality continuous is known, instruments that respond to voltage can be calibrated to indicate current. Current probes can be used both by determining instruments and oscilloscopes. To determine or display the modulating waveform of a modulated high-frequency signal, for example: an amplitude-modulated radio signal-a probe fitted with an easy 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 carried out 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 created by the function generator are the sine, square, triangular and saw-tooth shapes. These wave forms can be either repetitive or single-shot which needs 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 characteristics are needed, other signal generators would be more appropriate. Some function generators can be phase-locked to an external signal source which may be a frequency recommendation 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.

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Black 3 4 100 FT 100 Feet 19mm Polyolefin 21 Heat Shrink Tubing Tube Cable

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1 100

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1 100 FT 100 Feet BLACK 25mm Polyolefin 21 Heat Shrink Tubing Tube Cable US

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400 X

400 X Heat Shrink Butt Wire Splice Connectors Crimp Terminals 22 14 AWG

400 X Heat Shrink Butt Wire Splice Connectors Crimp Terminals 22 14 AWG

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100 FT 100 Feet CLEAR 3 8 9mm Polyolefin 21 Heat Shrink Tubing Tube Cable US

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Dual Wall 31 Adhesive Lined Heat Shrink Tubing 3 4 1 2 3 8 1 4 3 16 1 8

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300Pcs Heat Shrink Insulated Butt Crimp Wire Connector Terminals Assortment

300Pcs Heat Shrink Insulated Butt Crimp Wire Connector Terminals Assortment

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1120PCS Copper Wire Ring Lug Terminal Connectors + Insulation Heat Shrink Tubing

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411pc Car Copper Ring Lug Terminal Heat Shrink Wire Tubing Cable Connectors Kits

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1 8

1 8 3mm Black 100 Ft Dual Wall Adhesive Lined Heat Shrink Tubing 31 Ratio

1 8 3mm Black 100 Ft Dual Wall Adhesive Lined Heat Shrink Tubing 31 Ratio

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20Feet x

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20Feet x 5 8Inch ID Black Heat Shrink Tubing 31 Ratio Cable Wrap Polyolefin

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50 FT

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50 FT 50 Feet BLACK 3 4 19mm Polyolefin 21 Heat Shrink Tubing Tube Cable UL

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100 FT CLEAR 1 2 Polyolefin 21 Heat Shrink Tubing

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1 2

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1 2 12mm Black 50 Ft Dual Wall Adhesive Lined Heat Shrink Tubing 31 Ratio

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200pcs Heat Shrink Insulated Butt Wire Crimp Connectors Crimp Terminals YELLOW

200pcs Heat Shrink Insulated Butt Wire Crimp Connectors Crimp Terminals YELLOW

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100Pcs Yellow

100Pcs Yellow Heat Shrink Wire Connectors 12 10AWG Gauge Solder Seal Terminals

100Pcs Yellow Heat Shrink Wire Connectors 12 10AWG Gauge Solder Seal Terminals

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SG Tool

SG Tool Aid Air Heat Gun Shrink Electrical Auto Master Appliance SHIPS FREE

SG Tool Aid Air Heat Gun Shrink Electrical Auto Master Appliance SHIPS FREE

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300PCS Heat

300PCS Heat Shrink Insulated Butt Wire Crimp Electrical Connectors Terminals Set

300PCS Heat Shrink Insulated Butt Wire Crimp Electrical Connectors Terminals Set

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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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100 Ft

100 Ft 3 8 ID 95mm Black Polyolefin Heat Shrink Halogen Free RoHS cULus

100 Ft 3 8 ID 95mm Black Polyolefin Heat Shrink Halogen Free RoHS cULus

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240PCS Insulated

240PCS Insulated Heat Shrink Electrical Connectors Crimp Terminals Ring Butt Set

240PCS Insulated Heat Shrink Electrical Connectors Crimp Terminals Ring Butt Set

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172 pcs

172 pcs 31 Dual Wall Adhesive Heat Shrink Tubing kit 7 Large Sizes Black

172 pcs 31 Dual Wall Adhesive Heat Shrink Tubing kit 7 Large Sizes Black

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50 6

50 6 Pcs 5 16 79mm Black 31 Heat Shrink Tubing Adhesive Lined Dual Wall

50 6 Pcs 5 16 79mm Black 31 Heat Shrink Tubing Adhesive Lined Dual Wall

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