coupler
Home Up

 

8. Coupler

 

wpe36.jpg (5596 bytes) One measurement was carried out on a 10 dB coupler of NARDA. It shows that with this coupler accurate measurements can be carried out up to 24 GHz. wpe43.jpg (81016 bytes)

 

III. Conclusions

In general, the use of SMA connectors at 10 and even at 24 GHz is possible. To be avoided are 90 degree bends, either as an L-adapter or as a connector. If you look at manufacturer specifications, the maximum useable frequency of bends is rarely specified.

N-Connectors, at least quality ones, can be used up to 18 GHz. A high precision N-connector that is guaranteed up to 26.5 GHz does exist, but is rarely found on flea markets. This type of connector has the advantage of being very rugged and is often found on test equipment. The precision N-type will mate with a standard version.