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Gw Instek GDS2204E (200MHz 4 channel DSO) review

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rhb:
Interesting.  I wonder if they removed the 300 MHz option between 1.21 and 1.28.

How did you measure the BW?

nctnico:

--- Quote from: rhb on August 31, 2018, 05:57:06 pm ---Interesting.  I wonder if they removed the 300 MHz option between 1.21 and 1.28.

How did you measure the BW?

--- End quote ---
I installed version 1.35 afterwards and the 300MHz option is still there. I measured using an RF generator and a 50 Ohm feedthrough. I referenced the bandwidth from the signal amplitude at 20MHz.

Mortymore:
On the 2074E (70MHz) with v1.21b6 the 300.lis is accepted but it does nothing that the 200.lis hasn't done yet.
After reboot it still says "Bandwidth upgraded to 200MHz. Which is just fantastic per se.
Maybe the 300MHz.lis works on the 100MHz scope. In the 200MHz is confirmed.

This is just me guessing...
Because there's an option in the hack to enable "Power Analysis"... isn't this option directed to the 3000 series scopes?
Any of the 1000 and 2000 doesn't has the ability to enable this tool, right?
Correct me please if I'm mistaken.

nctnico:
I tried to install the power analysis license as well but it is not accepted. I'm not aware of any power analysis option being available. Can you check if you have a 200MHz bandwidth limit in the channel bandwidth menu? If it is there I'd expect that the 300MHz option is active.

Mortymore:
Hi nctnico!

There's no 200MHz bandwidth limit option available. Only "Full", 20MHz and 100MHz.

About the "Power Analysis" option available in the lis.html... if it's there... my suspicion is that the hack may also be directed to the 3000 series. I think those have that tool as optional.

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