Rigol DHO804 Test and Compare Thread

[tautech]

Hide Menu, why ?

[Martin72]

Why not ? I like it better when you have as little superfluous content on the screen as possible.

[voltsandjolts]

Interval trigger, is there an equivalent with the rigol ?

Pulse trigger with negative pulse?
Or maybe I don't understand what interval trigger is.

[tautech]

Why not ? I like it better when you have as little superfluous content on the screen as possible.

Hides Interval trigger menu.

[Martin72]

Hi voltsandjolts,

https://www.tiepie.com/en/fut/interval-trigger
Or pic from the siglent manual below.

[ebastler]

https://www.tiepie.com/en/fut/interval-trigger
Or pic from the siglent manual below.

Isn't that a special case of the "Delay Trigger" on Rigol scopes, where you select the same channel for sources A and B? At least that should do the <= and >= timing conditions. I don't understand the [--,--] and --][-- notation in the Siglent manual though, what conditions do these denote?

Edit: Ah, saw it explained on the TiePie page. Looks like Rigol's <> and >< conditions are equivalent to Siglent's [--,--] and --][--.

[Martin72]

Hi,
Delaytrigger don´t work.
The best you can get with this is the same as when you use the edge trigger (stable signal with some "irritations" in it).
Another thing:
I couldn´t find in the manual how to set date and time...?

[ebastler]

Delaytrigger don´t work.
The best you can get with this is the same as when you use the edge trigger (stable signal with some "irritations" in it).

Strange. But do we agree that it should work, i.e. is equivalent to Siglent's interval trigger according to the manuals?
Edit: I'm referring to section 8.7.10 in the DHO800 manual.

Another thing:
I couldn´t find in the manual how to set date and time...?

I think this has been discussed somewhere in the various DHO 800 threads. Wasn't the conclusion that the only way is to get the time & date via NTP?

[Martin72]

Hi,

But do we agree that it should work, i.e. is equivalent to Siglent's interval trigger according to the manuals?

Hm..
I think it does not work because the delay trigger assumes two different sources with a phase shift.
Now we have only one.

[Fungus]

Another thing:
I couldn´t find in the manual how to set date and time...?

From the latest release notes:

Code: [Select]

...
1. Remove all time-related displays on the instrument


[ebastler]

Hi,

But do we agree that it should work, i.e. is equivalent to Siglent's interval trigger according to the manuals?

Hm..
I think it does not work because the delay trigger assumes two different sources with a phase shift.
Now we have only one.

I'll give that a try with my venerable DS1054Z tomorrow -- no, actually today, but after getting some sleep... Thought I had used that trigger mode in the past with both sources set to the same channel.

[Martin72]

@Fungus:
Fu**...

[Fungus]

I think it does not work because the delay trigger assumes two different sources with a phase shift.

You can set the sources to the same channel:

[rpro]

Hi,

But do we agree that it should work, i.e. is equivalent to Siglent's interval trigger according to the manuals?

Hm..
I think it does not work because the delay trigger assumes two different sources with a phase shift.
Now we have only one.

It does work. You can indeed set the sources to be the same channel, making "interval trigger" a special case of this trigger, as @ebastler pointed out. See attached...

[Martin72]

Aha...

Then I still have something wrong set, I will try again tomorrow - thanks!

[Martin72]

Hm ?

[Fungus]

So in fact the Rigol can do more than the Siglent - it allows the two trigger points to be on separate channels. 

(The list of available trigger types is also longer on the Rigol... I count 17 types on the Rigol and only 14 on the Siglent)

[Martin72]

Didn't we just prove with the missing interval trigger that you can replace it with another trigger type?
It will be the same the other way around.

[ebastler]

Didn't we just prove with the missing interval trigger that you can replace it with another trigger type?
It will be the same the other way around.

No. Siglent's Interval Trigger is a subset of Rigol's Delay Trigger functionality. So Delay Trigger can replace Interval Trigger, but not vice versa. -- Better get some sleep! (And so should I...)

[Martin72]

I didn't mean it that way either.
Good night John-Boy..

[Fungus]

Bed time for me.

Tautech can have this thread to himself for a while.

[2N3055]

Fist of all Interval trigger on Siglent supports two channels, it is equal to Rigol Delay trig.
Both have pulse trigger that is also same.  Pulse trigger can be achieved with Interval (Delay), pulse is really simply a quick shortcut.

Second in DHO800 datasheet I count 15 triggers including serial ones. 12 analog triggers and 3 serial ones.
Siglent SDS1104X-E has 9 analog triggers and 5 serial ones (because it supports 3 more serial protocols). 14 total.

DHO800 has additional Setup and hold, N-th edge and Duration (which is variation of Pattern) trigger.

Siglent has more versatile Dropout trigger (Timeout in Rigol) that support state in addition to edges.
It also have time setting in Runt. In a same manner it has time setting in Pattern trigger, which covers many options of Duration trigger.
And 2more serial triggers and protocols(CAN, LIN).

Only 2 triggers that SDS1000X-E does not have are Setup and hold and N-th edge. It has 2 more serial triggers and protocols(CAN, LIN).

As I said before Rigol likes to play checkbox in a datasheet game. In reality it is not that simple. If you need CAN and LIN it is Siglent that has advantage..

I would say both have very good trigger set.

[Fungus]

Second in DHO800 datasheet I count 15 triggers including serial ones. 12 analog triggers and 3 serial ones.
Siglent SDS1104X-E has 9 analog triggers and 5 serial ones (because it supports 3 more serial protocols). 14 total.

If you need CAN and LIN it is Siglent that has advantage..

Try looking in the DHO900 datasheet. 

[Martin72]

I would say both have very good trigger set.

90% of which you only use the edge trigger anyway, even for serial decoding.

Tautech can have this thread to himself for a while.

Actually, I had started this thread to document as factual a comparison as possible.
Apropos, what is actually with your thread, did not you want to open its own with tests ?
Is it still coming ?

[Fungus]

Apropos, what is actually with your thread, did not you want to open its own with tests ?
Is it still coming ?

That was just a joke to annoy my fan club.