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Old Jun 25, 2010, 03:49 PM
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United States, AZ
Joined May 2010
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Originally Posted by metalfred View Post
Bob, what brand / model of RX and TX are you using?
futaba 6ex w/ r606fs - tx reads 10.2V
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Old Aug 23, 2010, 12:47 AM
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Joined Jan 2009
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Hello everyone,
I want to know how to change a V8FR FRSKY to view the signal quality with my Eagle Tree OSD PRO and elogger V3, please help me. Thanks in advance to all.
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Old Aug 23, 2010, 04:04 AM
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Athens, Greece
Joined Dec 2004
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Originally Posted by pietro811 View Post
Hello everyone,
I want to know how to change a V8FR FRSKY to view the signal quality with my Eagle Tree OSD PRO and elogger V3, please help me. Thanks in advance to all.
Clear Top & Bottom Pictures (macro mode) of the PCB would be helpful Pietro..
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Old Aug 23, 2010, 09:28 AM
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Search-here-for-this-RX-RSSI-tap-point-proved-negative.
Any-suggestions?

Thanks
John
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Old Aug 24, 2010, 03:17 AM
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Originally Posted by arisarts View Post
Clear Top & Bottom Pictures (macro mode) of the PCB would be helpful Pietro..
I'm sorry for the low quality of images, for now I only have the phone, if these are not clear I will make more with a given machine. This a site with pictures http://www.rcmodelreviews.com/frskyreview.shtml . Thanks
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Old Aug 26, 2010, 12:05 PM
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USA, IN, Bloomington
Joined Aug 2007
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Quote:
Originally Posted by chaosMurphy View Post
Search-here-for-this-RX-RSSI-tap-point-proved-negative.
Any-suggestions?

Thanks
John
Try pin 12 on the chip with the blue dot
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Old Aug 26, 2010, 02:01 PM
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Does someone please post how to get the RSSI from a futaba 6014HS
Thanks
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Old Aug 26, 2010, 02:23 PM
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Romania, Dolj, Craiova
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Quote:
Originally Posted by pietro811 View Post
Hello everyone,
I want to know how to change a V8FR FRSKY to view the signal quality with my Eagle Tree OSD PRO and elogger V3, please help me. Thanks in advance to all.
There is no RSSI pin in this receiver. You can tap a pulsing signal from the green LED, it is not a proportional measure of signal strength, but a digital measure of data flow. It start to flash if no packet arrived for 9msec.
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Old Aug 27, 2010, 08:36 AM
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near Stgt/Germany
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Quote:
Originally Posted by SirAlex View Post
RSSI capture for Multiplex RX-12Synth DS IPD and Multiplex RX-9Synth DS IPD

The IC its Philips SA676 and RSSI its on pin 5.
Alex
Did anybody connect to the compact version, looks totaly different, 2 or 3 PCBs above and chip probably inside.
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Old Sep 11, 2010, 12:46 AM
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Originally Posted by RENATOA View Post
There is no RSSI pin in this receiver. You can tap a pulsing signal from the green LED, it is not a proportional measure of signal strength, but a digital measure of data flow. It start to flash if no packet arrived for 9msec.
thanks very much for your help....
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Old Sep 16, 2010, 06:30 AM
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Pennsylvania, U.S.A.
Joined Feb 2005
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Quote:
Originally Posted by masam54 View Post
In my old NER649S, there's a 7761 chip, I also managed to get rssi from my old 10ch JR rx.


masam54. Did you do the mod to your NER649S? I did it on mine, and noticed something strange. I'm getting an inverse voltage on pin 7. In other words, it goes from about 3V with the TX off, to about 1.3v with it on. Can you confirm this is the right signal? If so, I guess I'll have to build an inverse follower of some sort.
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Old Sep 16, 2010, 06:58 AM
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near Stgt/Germany
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Quote:
Originally Posted by SirAlex View Post
RSSI capture for Multiplex RX-12Synth DS IPD and Multiplex RX-9Synth DS IPD

The IC its Philips SA676 and RSSI its on pin 5.

Here is the data sheet http://www.datasheetcatalog.com/data.../7/SA676.shtml

Alex
Can Anybody explain to me what I can do this the AUDIO signal of the SA676 ? See Pin 8 Audio.
Thanks Volker
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Old Sep 16, 2010, 07:06 AM
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Norway, Hordaland, Bergen
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Quote:
Originally Posted by mr..speed View Post
Can Anybody explain to me what I can do this the AUDIO signal of the SA676 ? See Pin 8 Audio.
Thanks Volker
Hi,

That is the pin that the demodulated signal (ppm-stream) is coming out from, that your receiver then splits to each servo-ch. output.

So if you don't need the ppm-stream I would leave it..

Megafluffy
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Old Sep 16, 2010, 08:32 AM
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Quote:
Originally Posted by cwd10 View Post
masam54. Did you do the mod to your NER649S? I did it on mine, and noticed something strange. I'm getting an inverse voltage on pin 7. In other words, it goes from about 3V with the TX off, to about 1.3v with it on. Can you confirm this is the right signal? If so, I guess I'll have to build an inverse follower of some sort.
My old JR NER649S was "retired" a couple of years ago, , so I did not do the rssi mod on it. Getting a reverse voltage rssi is no big deal, as long as its linear. If your OSD can calibrate for reverse voltage there's no need to build an inverse follower.
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Old Sep 16, 2010, 08:46 AM
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Pennsylvania, U.S.A.
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Quote:
Originally Posted by masam54 View Post
My old JR NER649S was "retired" a couple of years ago, , so I did not do the rssi mod on it. Getting a reverse voltage rssi is no big deal, as long as its linear. If your OSD can calibrate for reverse voltage there's no need to build an inverse follower.


Ok. Thanks. I guess I'll have to PM Bill at EagleTree, and see what he says.
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