pcb

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.

PCB UV

PCB UV Curable Solder Mask Repairing Paint Green 10ml US Seller Fast Shipping

PCB UV Curable Solder Mask Repairing Paint Green 10ml US Seller Fast Shipping

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Solderless Breadboard

Solderless Breadboard Protoboard T P Tie point 3220 Hole PCB Prototype Board US

Solderless Breadboard Protoboard T P Tie point 3220 Hole PCB Prototype Board US

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FR4 Copper

FR4 Copper Clad Laminate PCB Printed Circuit Board Material

FR4 Copper Clad Laminate PCB Printed Circuit Board Material

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Single Sided

Single Sided Copper Clad Laminate PCB Circuit Board 12x14

Single Sided Copper Clad Laminate PCB Circuit Board 12x14

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10 pcs

10 pcs DOUBLE SIDED Copper Clad Laminate PCB FR 4 060 BLACK 4 x 6 1 oz

10 pcs DOUBLE SIDED Copper Clad Laminate PCB FR 4 060 BLACK 4 x 6 1 oz

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18 pcs

18 pcs 4 x 6 CEM 1 060 2 oz Single Sided Copper Clad Laminate Board PCB

18 pcs 4 x 6 CEM 1 060 2 oz Single Sided Copper Clad Laminate Board PCB

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6 pcs

6 pcs FR 4 030 thick 6 x 12 UNCLAD Laminate Board PCB

6 pcs FR 4 030 thick 6 x 12 UNCLAD Laminate Board PCB

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PHILMORE 12

PHILMORE 12 209 DATAK 44x26x11 DIY PROTOTYPE BOX  PRINTED CIRCUIT BOARD PCB

PHILMORE 12 209 DATAK 44x26x11 DIY PROTOTYPE BOX PRINTED CIRCUIT BOARD PCB

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24 pcs

24 pcs FR 4 030 thick 4 x 6 UNCLAD Laminate Board PCB

24 pcs FR 4 030 thick 4 x 6 UNCLAD Laminate Board PCB

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Copper Clad

Copper Clad Laminate PCB Printed Circuit Board Material FR4 CEM unclad no copper

Copper Clad Laminate PCB Printed Circuit Board Material FR4 CEM unclad no copper

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18 pcs

18 pcs Single Sided Copper Clad Laminate Board PCB 4 x 6 CEM 1 060 1 oz

18 pcs Single Sided Copper Clad Laminate Board PCB 4 x 6 CEM 1 060 1 oz

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1 2

1 2 5 10 pcs Double Sided Universal PCB Proto Prototype Perf Board 79 7x9 cm

1 2 5 10 pcs Double Sided Universal PCB Proto Prototype Perf Board 79 7x9 cm

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Double Sided

Double Sided Copper Clad Laminate PCB Circuit Board 12x18

Double Sided Copper Clad Laminate PCB Circuit Board 12x18

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8 pcs

8 pcs Double Sided Copper Clad Laminate PCB Board 7 x 12 FR 4 012 2 oz

8 pcs Double Sided Copper Clad Laminate PCB Board 7 x 12 FR 4 012 2 oz

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15 pcs

15 pcs Copper Clad Laminate Board PCB 4 x 6 CEM 1 060 3 oz Single Sided

15 pcs Copper Clad Laminate Board PCB 4 x 6 CEM 1 060 3 oz Single Sided

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50 pcs

50 pcs Copper Clad Board Laminate PCB 4 x 6 FR 4 030 1 2 oz Double Sided

50 pcs Copper Clad Board Laminate PCB 4 x 6 FR 4 030 1 2 oz Double Sided

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DEYUE 40PCs

DEYUE 40PCs PCB Double Sided Prototyping PCBs Circuit Boards Kit  5 Size  for

DEYUE 40PCs PCB Double Sided Prototyping PCBs Circuit Boards Kit 5 Size for

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Single Sided

Single Sided Copper Clad Laminate PCB Circuit Board 21x24

Single Sided Copper Clad Laminate PCB Circuit Board 21x24

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Lot MB

Lot MB 102 830 Point Prototype PCB Solderless Breadboard Protoboard US

Lot MB 102 830 Point Prototype PCB Solderless Breadboard Protoboard US

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5pcs Single

5pcs Single side FR 4 PCB Prototyping Perf Board Breadboard 8x12cm 80x120mm

5pcs Single side FR 4 PCB Prototyping Perf Board Breadboard 8x12cm 80x120mm

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5pcs 65x145cm

5pcs 65x145cm Stripboard Veroboard Uncut PCB Platine Circuit Pref Board

5pcs 65x145cm Stripboard Veroboard Uncut PCB Platine Circuit Pref Board

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