Tagged Questions

0
votes
1answer
189 views

Connect SMA to a regular pin/wire

I have an RF signal (5ns pulses every 200ns) coming out from a SMA connector on FPGA board (Spartan 3E Starter Kit). I want to send this signal back to the FPGA using one of the on-board pins. So, I ...
2
votes
1answer
199 views

What makes an active probe so expensive?

This question probably has a similar answer to Why are digital oscilloscopes still so expensive?. But why are active oscilloscope probes so expensive? I mean, they're hundreds, if not thousands of ...
10
votes
4answers
1k views

Is this a good design & layout of an active differential 'scope probe?

This question is an extension of Homebrew differential 'scope probe. I thought I should make this a new question though. I need to measure a 100Mb/s LVDS signal to check its integrity. I will try to ...
10
votes
6answers
2k views

Crazy homebrew 500 MHz 1 Gs/s oscilloscope possible?

I was reading USB scope probe - request for comments and ideas, and it got me thinking. What I'd really like is a very high performance oscilloscope, one which would cost $10000 or so. Surely many ...
6
votes
1answer
679 views

Homebrew differential 'scope probe

I may be able to get my hands on an old 600MHz LeCroy oscilloscope. However, it doesn't have any probes. Is it feasible to make an active differential probe for it using a high-speed op-amp, like the ...