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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.

5X Toggle

5X Toggle SWITCH ON OFF Heavy Duty 30A 125V SPDT 2 Terminal Car Boat Waterproof

5X Toggle SWITCH ON OFF Heavy Duty 30A 125V SPDT 2 Terminal Car Boat Waterproof

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5pcs 3

5pcs 3 Position 6 Terminal On Off On DPDT Toggle Switch + Waterproof Boot STOCK

5pcs 3 Position 6 Terminal On Off On DPDT Toggle Switch + Waterproof Boot STOCK

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X5 Toggle

X5 Toggle Switch Heavy Duty 20A 125V SPST 2 Terminal ON OFF Car Waterproof ATV

X5 Toggle Switch Heavy Duty 20A 125V SPST 2 Terminal ON OFF Car Waterproof ATV

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Toggle Switch

Toggle Switch Heavy Duty 20A 125V Momentary SPDT On Off On w Waterproof Boot

Toggle Switch Heavy Duty 20A 125V Momentary SPDT On Off On w Waterproof Boot

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Hubbell 3

Hubbell 3 way switch Ivory toggle HBL1385I 20A

Hubbell 3 way switch Ivory toggle HBL1385I 20A

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1 SPST

1 SPST On Off Full Size Toggle Switch with RED Safety Cover

1 SPST On Off Full Size Toggle Switch with RED Safety Cover

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X5 Toggle

X5 Toggle Switch Heavy Duty 20A 125V SPST 2 Terminal ON OFF Car Waterproof ATV

X5 Toggle Switch Heavy Duty 20A 125V SPST 2 Terminal ON OFF Car Waterproof ATV

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Lot Of

Lot Of Toggle Switches And Switches

Lot Of Toggle Switches And Switches

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5X ROCKER

5X ROCKER SWITCHES ROUND TOGGLE ON OFF CAR SNAP IN SWITCH

5X ROCKER SWITCHES ROUND TOGGLE ON OFF CAR SNAP IN SWITCH

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Leviton Brown

Leviton Brown Snap In Vintage Single Convenience Toggle Switch 714 ON OFF NEW

Leviton Brown Snap In Vintage Single Convenience Toggle Switch 714 ON OFF NEW

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5 TOGGLE

5 TOGGLE SWITCH GUARDS AIRCRAFT STYLE MILITARY SURPLUS MS25224 1 OTTO TG 00001

5 TOGGLE SWITCH GUARDS AIRCRAFT STYLE MILITARY SURPLUS MS25224 1 OTTO TG 00001

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On Off

On Off Toggle Switch for OR90037 0R90037 Power Tools Planer Saws Drill Press

On Off Toggle Switch for OR90037 0R90037 Power Tools Planer Saws Drill Press

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5PCS SPST

5PCS SPST Mini Toggle Switch Wires On Off Metal Small Automotive Boat Car Truck

5PCS SPST Mini Toggle Switch Wires On Off Metal Small Automotive Boat Car Truck

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2 pieces

2 pieces SPST 6 AMP Ball Handle Toggle Switch with ON OFF Plate and Leads

2 pieces SPST 6 AMP Ball Handle Toggle Switch with ON OFF Plate and Leads

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2 PK

2 PK Leviton BROWN DESPARD Interchangeable Single Pole Toggle Switch 1750 MINT

2 PK Leviton BROWN DESPARD Interchangeable Single Pole Toggle Switch 1750 MINT

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