We sell Crystal Oscillator products Yuechung International Corp. of Taiwan. We can supply for Mass Production scale or mass production for Manufacturing.
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Products - our products have been proven and used by the company - International companies, such as Acer, Delta, Foxconn, Lite-On, Panasonic, Toshiba.
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Office Application Software on Linux Open Suse
Office application on Linux and open source software is Libre Office . You can download libre office software from libreoffice.org
Or you can get Libre Office from package Linux Open Suse or other Linux distros, such as ubuntu, gentoo, archlinux, etc.
Libre Office is text manipulation software for office, education. With Libre office will help you manipulating text and data, and presenting for works office purpose, make Letter, agenda, fax, presentation, even writing books and e-book and covert it to pdf file. Create html documents, send document via email and bluetooth.
You can give digital signatures to your documents.

Or you can get Libre Office from package Linux Open Suse or other Linux distros, such as ubuntu, gentoo, archlinux, etc.
Libre Office is text manipulation software for office, education. With Libre office will help you manipulating text and data, and presenting for works office purpose, make Letter, agenda, fax, presentation, even writing books and e-book and covert it to pdf file. Create html documents, send document via email and bluetooth.You can give digital signatures to your documents.

Installing Wine for Running Windows Application in Linux
Wine software is interface between application software that running on windows os to application that running on Linux OS.
You can install wine from the official website https://www.winehq.org/ ,
Go to Download section, click
Click on Open Suse, if you use open suse Linux, and choose another operating system that suitable.
Choose Open Suse version, in this case Open Suse 13.1
or installing wine from YAST. YAST is menu manager configure hardware or software of Open Suse Linux.
Click YaST
Enter Su Super User Password, the password when you install Linux.
Refresh....
Still reading...
On search box, print wine and search...
Wine software package pop up...
Accept and install...
Several sample software windows os that running under wine linux open suse...
Sample Spectrum Lab under Wine
You can install wine from the official website https://www.winehq.org/ ,
Go to Download section, click
Go to Open Suse section, click
Click on Open Suse, if you use open suse Linux, and choose another operating system that suitable.
Choose Open Suse version, in this case Open Suse 13.1
or installing wine from YAST. YAST is menu manager configure hardware or software of Open Suse Linux.
Click YaST
Enter Su Super User Password, the password when you install Linux.
choose software management or software repositories, click
Refresh....
Be patient, still refresh....
Still reading...
On search box, print wine and search...
Wine software package pop up...
Accept and install...
Several sample software windows os that running under wine linux open suse...
Sample Spectrum Lab under Wine
Open Suse Linux
I installed Open Suse Linux on my notebook , sony vaio . I used OpenSuse Harlequin i586 version 13.2 . Instead of using windows operating systems, i am prefer using Linux or Unix OS. Because there so much alternative Operating System offered and it's all free and not easily affected by computer virus or bugs. And a friend of mine using windows operating system and browser such as internet explorer and others such as chrome, mozilla, opera under windows operating system , there is problem with pop ads in browser , and it is really annoying and make the PC running slowly. Although, I have download ad blocker for mozilla, but it still not works, cause the annoying ads still come up.
and compare to linux, there is not such these problems.
although linux using open source software, there are many windows os software that can run in linux open suse with Wine software. Wine software can make software based on windows os run in linux os.
later we will discuss how to using wine and download and running software with os windows operating system on linux.
linux running with low specification of hardware, and you can running your old pc 386,486 with linux and unix, with several limitation of application , if you using application software with big ram requirement. i am not experiment yet using graphical processing software such blended , etc.
what i want to show you, how linux can help me and you for running and helping your everyday works in office using libre office word processing and spreadsheet. with email and processing your document for everyday works.
Using Libre Office, the menu is user friendly, I am no problem switch from ms office to libre office, is the same office and function, and it support ms word 97 for saving my file and can convert to pdf also.support ms office 97/2000/xp/2003 document saving.
and compare to linux, there is not such these problems.
although linux using open source software, there are many windows os software that can run in linux open suse with Wine software. Wine software can make software based on windows os run in linux os.
later we will discuss how to using wine and download and running software with os windows operating system on linux.
linux running with low specification of hardware, and you can running your old pc 386,486 with linux and unix, with several limitation of application , if you using application software with big ram requirement. i am not experiment yet using graphical processing software such blended , etc.
what i want to show you, how linux can help me and you for running and helping your everyday works in office using libre office word processing and spreadsheet. with email and processing your document for everyday works.
Using Libre Office, the menu is user friendly, I am no problem switch from ms office to libre office, is the same office and function, and it support ms word 97 for saving my file and can convert to pdf also.support ms office 97/2000/xp/2003 document saving.
4G LTE Bandstop Antenna UHF Filter 703 MHz - 803 MHz
As from 4G LTE Band spectrum, we can see that at LTE Band 44 , allocation frequency of 4G LTE at 703 MHz-803 MHz. And this spectrum frequency , overlapping with digital TV spectrum. As we know, digital tv spectrum frequency at band 703 MHz - 803 MHz, with bandwith 100 MHz.
So the center frequency will be :
Center Frequency 703 - 803 MHz = 753 MHz
I use Bandstop filter calculator refer to http://www.wa4dsy.net/filter/filterdesign.html
After we input the parameter of center frequency 753 MHz , and bandwith 100 MHz at calculator, then click compute parts as the menu on calculator, then we get the result of 3 filter design with 2 circuit , butterworth, bessel, and chebyshev.
The component values of 3 design filter, for butterworth, bessel, and chebyshev are :
You can choose one of three offering design and choose one of two circuit for your implementation.
The output chart graph of filter design are :

So the center frequency will be :
Center Frequency 703 - 803 MHz = 753 MHz
I use Bandstop filter calculator refer to http://www.wa4dsy.net/filter/filterdesign.html
After we input the parameter of center frequency 753 MHz , and bandwith 100 MHz at calculator, then click compute parts as the menu on calculator, then we get the result of 3 filter design with 2 circuit , butterworth, bessel, and chebyshev.
You can choose one of three offering design and choose one of two circuit for your implementation.
The output chart graph of filter design are :

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