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 Post subject: Re: Buffer Ampifier
PostPosted: December 2nd, 2021, 5:45 pm 
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Joined: July 8th, 2016, 4:34 pm
Posts: 448
My order from DigKey arrives Friday including some surface mount LME49720 op amps and some surface mount to dip8 adapters. I want to be able to change op amps without unsoldering from the circuit board. I have installed KiCad for linux to lay out the circuit board. Has anyone in the group used that software before?


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 Post subject: Re: Buffer Ampifier
PostPosted: December 2nd, 2021, 6:09 pm 
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Joined: July 8th, 2016, 4:34 pm
Posts: 448
Do any of you have a recommendation for a usb oscilloscope? One that could run under linux would be preferred.


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 Post subject: Re: Buffer Ampifier
PostPosted: December 2nd, 2021, 11:57 pm 
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Joined: June 4th, 2013, 2:39 pm
Posts: 407
brombo wrote:
Do any of you have a recommendation for a usb oscilloscope? One that could run under linux would be preferred.



I love my Picoscope. David McGown has one too, I think. The base 2204 is very good for general audio use, the 2206 offers more bandwidth in the built-in signal generator, up to 1MHz.


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 Post subject: Re: Buffer Ampifier
PostPosted: December 3rd, 2021, 7:43 am 
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Joined: February 28th, 2013, 3:31 pm
Posts: 1611
Although more expensive, you might want to consider a separate oscilloscope. This way you don't tie up your computer while taking measurements. I sometimes use my laptop to run the application ARTA for speaker or electronics measurements while looking at the waveform on the scope. Here is a very competent reasonably priced scope that is about twice the price of the cheapest Picoscope.

https://www.amazon.com/Siglent-Technolo ... 967&sr=8-4

I have used one of these for several years now and have had great results. It replaced a basic Tek scope but this one has lots more functions for about 1/3 the price.

Tom


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 Post subject: Re: Buffer Ampifier
PostPosted: December 3rd, 2021, 8:14 am 
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Joined: July 8th, 2016, 4:34 pm
Posts: 448
I have six computers, my mainframe, three htpc's, a test bed for trying new things out, and a laptop. I will use the laptop with the pico scope (it dual boots ubuntu 20.04 and win 10). Here is the mainframe. It runs ubuntu 20.04 and win 10 as a virtual machine using vmware player (free).

Attachment:
Mainframe.jpg
Mainframe.jpg [ 319.76 KiB | Viewed 474 times ]


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