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Questions tagged [test-point]

A pad or component on a schematic or printed circuit board that facilitates access to a signal for the purpose of measuring or interacting with it.

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Spice model for a heatsink/mounting hole/test-point/connector pin - devices with one or no connection points - using Altium simulator

I am setting up a simulation model in Altium with SPICE models and have no idea how to provide a model for a single connection device (connector pin, test-point) or a no-connection device like a ...
REPuzzle's user avatar
  • 145
13 votes
5 answers

Can PCB test points be a source of noise?

If I want to design a PCB with as much noise immunity as possible, should I leave off test points? I'm concerned that TP4 and TP5 may be acting as antennas and picking up noise.
user256639's user avatar
3 votes
1 answer

Best practice for ICT test point locations

While I have found a few resources (here here here) describing the coverage (strive for 100 %!), distribution (avoid clustering, at least 100 mil apart, away from tall components), and size (40 mil if ...
calcium3000's user avatar
  • 2,516
4 votes
3 answers

What probe/tip to use to clip into a PCB test point?

I need to have a digital logic analyser connected to a test point of a PCB board I'm developing for. To be clear, I mean the little ~0.5mm hole kind of test points. What kind of probe would allow me ...
KubaFYI's user avatar
  • 190
3 votes
1 answer

What is the reason for multiple ground connection and multiple testpoints on this PCB?

Please, have a look at the image: The biggest pad at the top is the negative terminal of a battery holder. Through 0 Ohm resitor above it goes to a capacitor across a DC motor (not shown). Below the ...
PF4Public's user avatar
  • 654
6 votes
1 answer

Altium testpoints auto-placement

Is there a way to use Altium to automatically generate test points on an already routed board? When there is no usable via, I'd like to place a pad on the net. When reviewing Altium API reference ...
Pier-Yves Lessard's user avatar
9 votes
5 answers

Test Point PCB solder

I have to use some Test Points on my PCB (shown in the Figure), do they need to be solder to the pcb? or is just by applying pressure?
Pedro Alejandro Duarte's user avatar