en:gpsdo
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en:gpsdo [2014/02/20 14:57] – created kaklik | en:gpsdo [Unknown date] (current) – external edit (Unknown date) 127.0.0.1 | ||
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Device consist following modules: | Device consist following modules: | ||
- | * [[cs:clkgen]] | + | * [[en:clkgen]] |
- | * [[cs:clkhub]] | + | * [[en:clkhub]] |
- | * [[cs:clkdiv]] | + | * [[en:clkdiv]] |
* [[cs: | * [[cs: | ||
* [[cs:gps]] | * [[cs:gps]] | ||
* [[cs: | * [[cs: | ||
* [[cs: | * [[cs: | ||
+ | * [[cs:lts]] | ||
===== Function principle ===== | ===== Function principle ===== | ||
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Measured data are stored in MCU memory and can be read by I²C interface. This is usually operated by host computer which computes frequency correction and apply a new frequency to si570 chip oscillator. | Measured data are stored in MCU memory and can be read by I²C interface. This is usually operated by host computer which computes frequency correction and apply a new frequency to si570 chip oscillator. | ||
- | Frequency correction method is in principle software defined and AVAR characteristics of this frequency generator system can be adjusted to meet application requirements. | + | Frequency correction method is in principle software defined and AVAR characteristics of this frequency generator system can be adjusted to meet application requirements. Thus design can be refered as Software Defined GPS disciplined oscillator. |
===== Related pages ===== | ===== Related pages ===== |
en/gpsdo.txt · Last modified: 2014/05/06 22:40 (external edit)