Products > Test Equipment
Gw Instek GDS2204E (200MHz 4 channel DSO) review
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nctnico:
I have not tried but I'm sure the span will be the same because 1Gs/s is the maximum samplerate either way.
rhb:

--- Quote from: Mortymore on January 29, 2019, 08:14:40 pm ---
Stretching the rope, I wish Santa could make FRA APP work with an external function generator so it could run on the GDS scopes.

--- End quote ---

It would be nice if the FRA app were usable on the units *with* AWGs.  A scan from 13-14 MHz at the maximum sampling of 90 samples per decade produces two points.  So no way to find the resonances of a crystal with that.

I was able to sync it with  a 33622A but not consistently.  Despite several hours of fiddling, I was never able to get the series response of a crystal such as an 8560A SA w/ TG will produce.  It's probably because the various operations are not operating in the same clock domains.
Mortymore:
Oh well!!... An SDS1104X-E to marry with the SDG1032X would solve the Bode plot problem   ::)
rf-loop:

--- Quote from: Mortymore on January 30, 2019, 10:51:01 am ---Oh well!!... An SDS1104X-E to marry with the SDG1032X would solve the Bode plot problem   ::)

--- End quote ---

Yep.

SDG1032X -- Xtal---SDS1104X-E


Span 5kHz


Span 500Hz
nctnico:

--- Quote from: rhb on January 30, 2019, 03:07:46 am ---
--- Quote from: Mortymore on January 29, 2019, 08:14:40 pm ---
Stretching the rope, I wish Santa could make FRA APP work with an external function generator so it could run on the GDS scopes.

--- End quote ---

It would be nice if the FRA app were usable on the units *with* AWGs.  A scan from 13-14 MHz at the maximum sampling of 90 samples per decade produces two points.  So no way to find the resonances of a crystal with that.

I was able to sync it with  a 33622A but not consistently.  Despite several hours of fiddling, I was never able to get the series response of a crystal such as an 8560A SA w/ TG will produce.  It's probably because the various operations are not operating in the same clock domains.

--- End quote ---
You should be able to do this if you have a generator which can step through a range of frequencies with a certain dwell time. Most RF generators support this.
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