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Picotest Injector Teardowns

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Jay_Diddy_B:
Hi group,

Just playing around in KiCAD:



This software is new to me. I normally use something else.

100mm x 100mm board, no case.

Which injectors are the most useful?

Regards,
Jay_Diddy_B

Sighound36:
Hi Jay_Diddy_B

Thank you for your efforts personally I would interested in all of them however the Picotest J2120A Line Injector would be a great place to start

_Wim_:

--- Quote from: Ribster on April 11, 2020, 07:27:58 pm ---I can design and assemble some boards if you guys are interested..

--- End quote ---

I am also interested in these!  :-+

Jay_Diddy_B:

--- Quote from: 16bitanalogue on April 10, 2020, 08:10:18 pm ---Picotest J2112A High Current Injector
Price: $1,995
BOM:
I will need to go back and measure the components. I lost that information. It is also difficult to see the part number on the SOIC8 - I want to recall it was an op-amp of some kind.



--- End quote ---

The pictures that were included are actually the J2111A

I was having difficulty getting the component values, that I can read in the photograph, in the model agree with the datasheet performance.



This are the specifications:



LTspice model J2111A




And the modelling results:



I have attached the LTspice model.

Regards,
Jay_Diddy_B
 J2111A concept model.asc (5.46 kB - downloaded 143 times.)

Jay_Diddy_B:

--- Quote from: Sighound36 on April 12, 2020, 05:22:15 am ---Hi Jay_Diddy_B

Thank you for your efforts personally I would interested in all of them however the Picotest J2120A Line Injector would be a great place to start

--- End quote ---

Hi,

I am a few hours into using KiCAD. This what I have come up with for the 2120A:



I am showing the IRF540, but the plan is to use the AOT2618.

The artwork is single-sided:






The board is 100mm x 100mm

The plan is to use Keystone 575-4 for the connections.

Comments?

Jay_Diddy_B

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