external triggering...

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fisafisa
Posts: 29
Joined: Fri Jun 06, 2014 6:02 pm

external triggering...

Post by fisafisa » Wed Jun 11, 2014 8:19 pm

I was planning to use the red pitaya in some measurements I am making on a circuit.
The idea was to complement my main scope by acquiring 2 extra channels.
To do that properly it would be useful to link the 2 trigger mechanisms.
I could get a trigger out from my scope but is there an external trigger mechanism in the pitaya?

ales.bardorfer
Posts: 3
Joined: Mon Jun 09, 2014 2:27 pm

Re: external triggering...

Post by ales.bardorfer » Fri Jun 13, 2014 10:10 am

Yes, there is.
The external trigger is PIN 3 of E1 connector (DIO0_P).
http://wiki.redpitaya.com/index.php?tit ... nnector_E1

In order to use it, you have to select "External" as a Source in the Trigger menu of the Oscilloscope application.

kavilshah
Posts: 29
Joined: Thu Nov 27, 2014 5:21 am

Re: external triggering...

Post by kavilshah » Fri Nov 28, 2014 5:56 am

hiii....!!! I am using redpitaya as a external trigger...I am giving trigger pulse(3.3V) at DIO0-p of E1- connector. and at that time continuous sine wave(500mV) is given to the channel 1(Fast analog input 1). In Oscilloscope trigger source is set as a external.... from this configuration continuous sine wave is acquired even if my trigger is not pressed....


Can anybody tell me how to set my system..so that when i press trigger then and only then sine wave will be acquired....

john k2ox
Posts: 39
Joined: Sun Oct 05, 2014 6:47 pm
Location: New York
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Re: external triggering...

Post by john k2ox » Fri Nov 28, 2014 5:34 pm

Use your main scope to measure the RP trigger out. Then set up your main scope ext trigger appropriately.

kavilshah
Posts: 29
Joined: Thu Nov 27, 2014 5:21 am

Re: external triggering...

Post by kavilshah » Thu Dec 04, 2014 11:06 am

hii thanks for the reply....but can you be more soecific.....???

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