Dima Batareykin

POLAND • + Follow

Maik Gansauge

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Patrik

POLAND
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POLAND
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4

Components

	STM32G474CET6 STMicroelectronics	x 1
	NEO-M8N ublox	x 1

Tools, APP Software Used etc.

	STM32CubeIDE
	ClockBuilder Pro SKYWORKS
	U-Center 2 u-blox

Description

Reference GPSDO generator for Counter/Signal Generator JDS6600

Output 24MHz(regulated) disciplined from GNSS

With the help of si2351 synthesizer we can achive any output frequency neded for counter input reference.

Sometimes we have very bad conditions for satellite recrieving. for example, in bilding, city, etc.

The strategy is:

Heated OCXO have very good short time stabilty but not for long term.

When we have good conditions - many satellites and good TDOP ratio we make short circle measerment and correction cycle and calculete correction voltage for OCXO regulation.

si5351c is clocked from CLKIN connected to 10MHz OCXO output.

https://www.youtube.com/watch?v=GX4eSP_v_lg

https://www.youtube.com/watch?v=lYeWmuFEUH0

Code

firmware

GPSDO JDS6600 M8N.bin

Sep 04,2023

1,923 views

end-flag

Reference GPSDO generator for Counter/Signal Generator JDS6600

Reference GPS disciplined oscillator for crystal replace in Signal generator counter JDS6600

1923

8.90 (5)

Published: Sep 04,2023

PCBWay Donate 10% cost To Author

File Last Updated: 2023/12/12 (GMT+8)

File update record

2023-12-1214:02:36

Gerber file is updated.

2023-11-2112:22:06

Gerber file is updated.

2023-11-0407:07:32

Gerber file is updated.

2023-10-2911:02:41

Gerber file is updated.

2023-10-1220:48:20

Gerber file is updated.

2023-09-1821:41:56

Gerber file is updated.

2023-09-0907:21:37

Gerber file is updated.

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Topic

Radio

Space & Satellite

Synthesizer

Radio Space Exploratio Satellite Synthesizer GPS 6th Design Contest-Electronic Project

Comments(4)
Likes(4)

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Mitch Altman
Thank you for your very cool project. I would love to see the source files for your firmware and PCB so that others can learn from your project, as well as improve upon it.

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Mar 10,20240 Comments
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Urban
Very interesting project, just missing a detailed descript_ion what it does and how it works and also access to the source files would be nice ;-)

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Feb 27,20240 Comments
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Yorik van Havre
Impressive project! I would have liked to see more documentation on how it all works, and ideally access to the source files ;)

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Feb 20,20240 Comments
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Engineer
Polecam!

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Nov 27,20230 Comments
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