Products > Test Equipment
Gw Instek GDS2204E (200MHz 4 channel DSO) review
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Merlot1970:
Photos posted, Saturation.
nctnico:
Just wanted to show a useful application of the input filtering. In a project I'm currently working on I need to do some digital signal processing. Usually I have a PWM output + an RC filter as a monitor output instead of a real DAC. With the GDS2204E the PWM output suffices when combined with the input filtering:

Original signal:


Filtered signal:


Other purposes can be looking at what is output from PWM motor drives and class D amplifiers.
nctnico:
Recently firmware version 1.26 has been released. This version now has band filtering besides low and and highpass input filtering which is an excellent addition  :-+
I also did some testing with UART and CAN decoding regarding the baudrate tolerance because earlier firmware versions where quite strict. From my tests it seems the UART decoding allows a deviation from the baudrate of +/-3%. The CAN bitrate can now be set freely. Also the bitrate tolerance of the CAN decoding exceeds +/-2%.
saturation:
Yes, it seems when they update one model they update the others.  Good to know since there are no announcements from Instek.  ???
JanJansen:
If you mess with the fan do you loose the warranty ?
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