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Diskussions- und Newsboard des DARC-Ortsverbandes I40  |  allgemeine Kategorie  |  OVI40 SDR Projekt (English AND German discussions around OVI40 SDR project) (Moderators: DF8OE, DL1PQ)  |  Topic: Use a different IQ source for testing UIboard <- zurück vorwärts ->
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pe0f
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Use a different IQ source for testing UIboard
« on: 17. February 2018, 14:32:49 »

Hello,

I want to test my UI board receiver side with IQ signals
Is it possible to take IQ from a different receiver to test the board ?
I want to take the IQ output from my KX3 and feed this to the UI OVI board
What are the pitfalls and can this work ?

Cheers Frans PE0F
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DF8OE
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Re:Use a different IQ source for testing UIboard
« Reply #1 on: 17. February 2018, 14:59:39 »

Hi Frans,

evey I/Q audio stream should work. Maybe you have to reduce levels (of course symmetrical). But if levels are <3V nothing will be damaged and you can test it out...

vy 73
Andreas
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Re:Use a different IQ source for testing UIboard
« Reply #2 on: 18. March 2018, 15:20:49 »

Hallo Andreas

I have tried and i did see some data in the waterfall display (used IQ from the PX3/KX3)
Then the display started flashing en turned white

If i connect it i only see a white screen ;-(
I can get in the mode to connect is a a STM in order to reload the boot loader or firmware

It  looks like the processors is bricked clock and power i measure are normal as before

Any Tips ?

73 Frans

73 Frans
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Re:Use a different IQ source for testing UIboard
« Reply #3 on: 18. March 2018, 15:24:55 »

Are the green and red LEDs playing at startup?

vy 73
Andreas
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Re:Use a different IQ source for testing UIboard
« Reply #4 on: 21. March 2018, 17:19:40 »

Hallo Andreas,

I have not mounted them because i want to make sure they where at the right hight if you fit in the housing
In the mean time i have tried with the ilink interface and the cpu is still intact

In the next few days i will try to reload bootloader and firmware via the I link interface

73 Frans

Would help if you have step by step procedure
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pe0f
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Re:Use a different IQ source for testing UIboard
« Reply #5 on: 23. March 2018, 19:55:19 »

Was is the start adress of the boot loader ?
I have used 08000000 is this correct ?

73 Frans
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Re:Use a different IQ source for testing UIboard
« Reply #6 on: 23. March 2018, 19:58:45 »

Hi Frans,

yes. 0x8000000 is correct for the bootloader.
Firmware has to be loaded at 0x80010000

73
Danilo

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pe0f
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Re:Use a different IQ source for testing UIboard
« Reply #7 on: 04. April 2018, 17:42:16 »

Ok tnx for the help can be closed
« Last Edit: 04. April 2018, 17:42:36 by pe0f » Logged
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Re:Use a different IQ source for testing UIboard
« Reply #8 on: 04. April 2018, 17:48:57 »

Hi Frans,

there is no "close" function. The threadstarter can edit his first post and add a [solved] to the front of the topic - that is all which is neccessary.

vy 73
Andreas
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Diskussions- und Newsboard des DARC-Ortsverbandes I40  |  allgemeine Kategorie  |  OVI40 SDR Projekt (English AND German discussions around OVI40 SDR project) (Moderators: DF8OE, DL1PQ)  |  Topic: Use a different IQ source for testing UIboard <- zurück vorwärts ->
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