Electrical – Balun single-ended 50 Ohm to LVDS 100 ohm conversion

balundifferentiallvdspcbtransformer

I have an LVDS differential 100OHM signal which I want to convert to a single-ended 50 OHM signal. I want to use a BALUN for this conversion.

What kind of BALUN should I use here?

Some BALUNs have 1:1 conversion ratio.
Some have 2:1 impedance conversion ratio.

Thanks

Best Answer

A 100 ohm diff signal is essentially 2 x 50 ohm single ended signals (I know that's a very same analogy).

In the past ive connected one end of the differential signal to the receiver with a 50R series resistor, and the other end terminate with 100R to GND.

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