Sylvain Munaut wrote:
Hi,
I recently acquired a USRP with a TVRX. In the package there was also a
F -> SMA pigtail to put in the front.
But that kinda surprised me from an impedance point of view because:
- The TVRX input is 75ohm according
- F connector is 75 ohm afaik.
- The RG316 cable used for the pigtail is 50ohm
- SMA is 50 ohm afaik.
So that looks like a weird mix.
Yes, it is a weird mix. But it doesn't really make any difference for
that short piece of coax at these frequencies. If you really want, you
could get a 50 ohm to 75 ohm transformer and then just use SMAs.
Matt
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