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I am trying convert a 100MHz sinusoid from a OCXO to a 100MHz square wave and then fanout to 3 signal paths. I was looking at using the CDCLVC1103 to do this, but most of what I'm seeing is discussion of the input already as a square wave. Is there any further information whether I can use this part to accomplish the "squaring up" task?
Thanks.
Hello Eric,
This device is a Fan-out Clock Buffer meaning this will provide additional outputs of the same input.
The 'squaring up' task will be best accomplished utilizing a clock generator which utilizes a Phase-Locked Loop (PLL), please advise if any specific output is required.
Please advise if 100 MHz OCXO crystal is required or this can be changed to another frequency?
Aaron -
Thanks for your reply.
The 100MHz OCXO is what my design is being provided and that frequency is set and isn't adjustable.
I found some sine-to-square wave IC's from TI, but they unfortunately top out at 52MHz max input.
Output-wise I'd like to square up the sine wave to a signal that's LVTTL (3.3 to 0V) then provide that to the CDCLVC1103 to distribute.
Thanks.
Hello Eric,
Per CDCLVC1103 datasheet the required slew rate is between 1-4V/ns, using the CDCLVC1103 will be fine as long as you can 'square-up' the signal to this range.
An OCXO input should be fine to be used through most input pins, such as CLKin, Fin, etc.
For ease of use please consider using a Clock Generator with LVCMOS outputs or configurable outputs.