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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.

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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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 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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TEMCo Heavy

TEMCo Heavy Duty 20A 125V ON OFF ON DPDT 6 Terminal Toggle Switch

TEMCo Heavy Duty 20A 125V ON OFF ON DPDT 6 Terminal Toggle Switch

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Heavy Duty

Heavy Duty 20A 125V Toggle Switch Control DPDT 2 Pole Double Throw 6 Term On Off

Heavy Duty 20A 125V Toggle Switch Control DPDT 2 Pole Double Throw 6 Term On Off

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10 Pcs

10 Pcs 2 Pins SPST ON OFF 2 Position 6A 250VAC Mini Toggle Switches MTS 101 Kits

10 Pcs 2 Pins SPST ON OFF 2 Position 6A 250VAC Mini Toggle Switches MTS 101 Kits

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50 Amp

50 Amp Philmore 30 12242 12 Volt DC High Current Toggle Switch w Red Handle

50 Amp Philmore 30 12242 12 Volt DC High Current Toggle Switch w Red Handle

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2 pack

2 pack Waterproof 6pin DPDT Momentary Toggle Switch Boot Cap ON OFF ON Amp

2 pack Waterproof 6pin DPDT Momentary Toggle Switch Boot Cap ON OFF ON Amp

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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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20Pcs SET

20Pcs SET 12mm Toggle Switch Waterproof Rubber Resistance Boot Cover Cap

20Pcs SET 12mm Toggle Switch Waterproof Rubber Resistance Boot Cover Cap

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ON OFF

ON OFF ON Momentary Toggle Switch 5Pcs SPDT 3 Position+ 5 x Waterproof Cover Cap

ON OFF ON Momentary Toggle Switch 5Pcs SPDT 3 Position+ 5 x Waterproof Cover Cap

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10PCS SPST

10PCS SPST Mini Toggle Switch Wires On Off Metal Small Automotive Boat Car Truck

10PCS SPST Mini Toggle Switch Wires On Off Metal Small Automotive Boat Car Truck

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5Pc Toggle

5Pc Toggle SWITCH ON OFF Heavy Duty 15A 125V SPST 2 Terminal Car Boat Waterproof

5Pc Toggle SWITCH ON OFF Heavy Duty 15A 125V SPST 2 Terminal Car Boat Waterproof

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X4 Toggle

X4 Toggle Switch Heavy Duty 30A 12V SPST 3 Terminal ON OFF CAR BOAT ATV

X4 Toggle Switch Heavy Duty 30A 12V SPST 3 Terminal ON OFF CAR BOAT ATV

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HEAVY DUTY

HEAVY DUTY SPST ON OFF MOMENTARY TOGGLE SWITCH SPADE TERMINALS 11AF

HEAVY DUTY SPST ON OFF MOMENTARY TOGGLE SWITCH SPADE TERMINALS 11AF

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