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LMH0346: 75 ohm differential pair impedance track

F_F_S
Prodigy 150 points

Part Number: LMH0346
Other Parts Discussed in Thread: LMH0397

Hi,

about SDO output of LMH0346, how can I do to use a 75 ohm differential pair impedance track?

I neet to connect the LMH0346 new board with old board but the pcb traces are 75 differential pair. Regards.

  • 0
    TI__Guru* 93570 points

    Greetings,

    1). You can consider using a passive pad to convert from 50-ohm to 75-ohm. However, this will attenuate the signal. 

    2). You can consider using LMH0397 device. This part has 75-ohm output and there is no need for external 50 to 75 ohm pad.

    Regards,Nasser