Electronics > RF, Microwave, Ham Radio

Analog amplifiers for pulsed LIDAR

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dmendesf:
Now we have a new way to start every post about lasers: "tggzzz, no need to comment. Please go away."

tggzzz:

--- Quote from: dmendesf on March 27, 2024, 09:44:12 pm ---Now we have a new way to start every post about lasers: "tggzzz, no need to comment. Please go away."

--- End quote ---

As long as you make the point I would have made, that's perfectly sane :)

Basically every time I see a child about to run into the road without looking, I will warn them. What would other people do? What should other people do?

Revky27:

--- Quote from: tggzzz on March 27, 2024, 10:58:24 pm ---
--- Quote from: dmendesf on March 27, 2024, 09:44:12 pm ---Now we have a new way to start every post about lasers: "tggzzz, no need to comment. Please go away."

--- End quote ---

As long as you make the point I would have made, that's perfectly sane :)

Basically every time I see a child about to run into the road without looking, I will warn them. What would other people do? What should other people do?

--- End quote ---

Perfect let's analyze again what you said in the light of your recent analogy. It really shows the difference between your post and what you think you are doing.

in your original post you quote
" Fundamentally, I really don't care if it blinds you, but I do care about random people passing by. "

So effectively in the light of your analogy what you are actually doing is warning the kid running into the road because you care about the cars and the people driving, not the child itself. Or is it not the person working with the laser at highest risk of being damaged by set laser?

Or are these not your comments?

tggzzz:

--- Quote from: Revky27 on March 28, 2024, 07:08:07 am ---
--- Quote from: tggzzz on March 27, 2024, 10:58:24 pm ---
--- Quote from: dmendesf on March 27, 2024, 09:44:12 pm ---Now we have a new way to start every post about lasers: "tggzzz, no need to comment. Please go away."

--- End quote ---

As long as you make the point I would have made, that's perfectly sane :)

Basically every time I see a child about to run into the road without looking, I will warn them. What would other people do? What should other people do?

--- End quote ---

Perfect let's analyze again what you said in the light of your recent analogy. It really shows the difference between your post and what you think you are doing.

in your original post you quote
" Fundamentally, I really don't care if it blinds you, but I do care about random people passing by. "

So effectively in the light of your analogy what you are actually doing is warning the kid running into the road because you care about the cars and the people driving, not the child itself. Or is it not the person working with the laser at highest risk of being damaged by set laser?

Or are these not your comments?

--- End quote ---

I'm not feeding this particular troll anymore.

mr_byte31:
Many thanks all for the hints.



--- Quote from: Marco on March 27, 2024, 08:45:59 am ---Assuming the current from the photodiode is sufficient with a 50 Ohm load you can use a RF amplifier IC as the first stage, easier than transimpedance. Not sure if PGA makes much sense, to me it seems easier to make signal detection mostly gain independent. Say a differentiator + ZCD gated by a threshold detector.

--- End quote ---

can you please recommend RF amplifier IC ? I see a lot of expensive ICs from Analog and I am not aware about popular and cheap options.

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