Dima Batareykin

POLAND • + Follow

Patrik

POLAND
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- 0
Engineer

POLAND
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- 0
Engineer

CANADA
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3

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

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

1,711 views

Reference GPSDO generator for Counter/Signal Generator JDS6600

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

1711

3

4

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

Space & Satellite

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

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