Products > Test Equipment

Sniffing the Rigol's internal I2C bus

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Orange:
DS1074Z = 90 MHz
DS1104Z = 125MHz

So that means that the myth around the '70MHz / 100MHz scopes are a marketing thing' is busted for the DS1000Z series.

I can tell you also that the DS2000 70 MHz and 100MHz scopes are different, I know this from my own measurements, I have both.

marmad:

--- Quote from: Orange on May 19, 2014, 06:52:38 pm ---I can tell you also that the DS2000 70 MHz and 100MHz scopes are different, I know this from my own measurements, I have both.

--- End quote ---

The 'idea' that the 70MHz DS2000 can do up to at least 100MHz <= 3dB is based on a number of other owners' measurements that were actually posted on this blog.

Orange:

--- Quote from: marmad on May 19, 2014, 06:57:55 pm ---
--- Quote from: Orange on May 19, 2014, 06:52:38 pm ---I can tell you also that the DS2000 70 MHz and 100MHz scopes are different, I know this from my own measurements, I have both.

--- End quote ---

The 'idea' that the 70MHz DS2000 can do up to at least 100MHz <= 3dB is based on a number of other owners' measurements that were actually posted on this blog.

--- End quote ---
Yes for sure I agree with you, but the suspicion that a DS2072 is the same as a DS2102 with simply a other sticker on the front is not true.
The DS2102 does out of the box about 150MHz, not so with an stock DS2072.........

I have not tested the A series.

Wim13:

The chip they use has only switches for 20 -100 -200 -350 Mhz etc..

so there is no entry for 70 Mhz, what they do is playing with the gain a little. The differences are small.
You can see that when u do a measurment with a signal generator with a compensating head.

SiC:
Just pumped the generated serial numbers from riglol into my brand new DS1074z - running on software version 00.04.00. They worked perfectly! I also tried uninstalling the keys using the SCPI interface and that works fine too - useful to know in case my 'scope ever needs to go back for repair.

Thanks guys for all the work on this and making it so incredibly easy.   :)
Also thanks Rigol for having a poor key implementation...! ;D

Si.

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