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Sniffing the Rigol's internal I2C bus

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stormbr:
Thanks for the info, great instrument !

staze:
anyone with HW 2.0 seeing if 50ohm termination is an option for the new firmware and unlocks?

JDubU:

--- Quote from: stormbr on December 10, 2013, 02:49:36 am ---Works fine with ds2072 (non a) and hardware 2.0.

Model: DS2302
SW: 00.02.01.00.03
HW: 1.0.2.0.2
FPGA: SPU 03.01.09 / WPU 00.07.01 / CCU 12.29.00 / MCU 02.12

Note:
Need uninstall the old key with ultra sigma.
Option: DSHH + rigen 2b1
Protocol analysis CAN: ok
300MHz BW: ok
BW limit: OFF - 20M - 100M

--- End quote ---

If the bandwidth is 300MHz, shouldn't the BW limit menu options be:   OFF - 20MHz - 100MHz - 200MHz?
Is the bandwidth actually still 200MHZ and not 300MHz?

Never mind...
The DS2000A User's Guide, page 2-3 says:

"Enable bandwidth limit and limit the bandwidth to 20 MHz or 100 MHz (only applicable to 200 MHz and 300 MHz oscilloscopes), the high frequency components that exceed 20 MHz or 100 MHz are attenuated."

Rigol-Friend:
Hi,

please, can anybody give me the SCPI commands for switching the input impedance to 50 ohms and back to 1 Megaohms of the DS2072?
I done it many weeks ago and it worked fine, but now I can't remember these commands.  :(

Many thanks for your help.

Rigol-Friend

gaijin:

--- Quote from: Rigol-Friend on December 10, 2013, 06:01:12 am ---Hi,

please, can anybody give me the SCPI commands for switching the input impedance to 50 ohms and back to 1 Megaohms of the DS2072?

--- End quote ---

:CHAN1:IMP OMEG
:CHAN1:IMP FIFTY

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