I use cyclone FPGA to get lvds signals. The project need drive lvds for a long distance . I find ADN4665 and ADN4666 ，but I can not find the clock driver . Can anybody give me some sugestions?
If I understand correctly, you want to buffer the LVDS outputs from the FPGA in order to drive them across a longer distance?
What distance do you want to drive across, and at what clock/data speeds? What is at the receiving end?
The ADN4670 acts as a buffer suitable for LVDS clock signals up to 1.1GHz. This also provides 1:10 fan-out, but unused outputs can be disabled.
Alternatively, an LVDS receiver such as ADN4666 (or ADN4662/ADN4664/ADN4668) can be connected to the FPGA outputs, and then an LVDS driver such as ADN4665 (or ADN4661/ADN4663/ADN4667) can be connected to the ADN4666 receiver outputs.
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