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This most probably due to a same 'lib ref' in 2 different libraries and you load them to a design on a same time. i believe your tansformer a same lib ref appear in 2 different libraries, and their symbol are different. To solve it, unload the library that no neccasary. hope this help
gerber gwk
Is there anyone know how to extract the original gerber and drill file inside the GWK file. the GWK file was save by using GC prevue. I lost my original gerber file. thanks.
Re: LVDS PCB rules !
keep as short as posible. use differential pair model to calculate the distance between the signal pair based on the desired impendace (100 ohm as common for LVDS) and stack height.
Re: Help reqd:USB to Serial
use a USB to serial convertor, the driver will emulate the Rs-232. Once the device connected to PC, the USB is transperant to you and you will found an additional com port in control panel. I have experienced on this for Rabbit ISP, it work stable as RS-232. The...
RS-232 (max232) IC with 5.1V zener diode as clamper should able to help. anyway, this will invert the logic - 0 = 5V while 1 = -5V. an invertor should use before rs232 translator if reverse logic requried. hope this help
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