Sadly I don't think anyone makes the 100MHz comparator pairs that would be needed for this.
A differential input is a comparator, in a sense, and an FPGA has plenty of those that are useful to 100 MHz+. A trimpot might be used to scale the voltage threshold as needed.
A differential input is a comparator, in a sense, and an FPGA has plenty of those that are useful to 100 MHz+. A trimpot might be used to scale the voltage threshold as needed.