Swap a short RG-58 jumper for an RG-174 jumper in a 2.4 GHz measurement chain and the received level drops by roughly 1.5 dB. Nothing is faulty: the ...

A technician bolts a BNC-fed antenna to a mast, runs a vibration sweep, and watches the received level flutter by a few tenths of a dB. Nothing has f...

If you are building a 5G small cell, a bench-test rack, or a satellite ground terminal, the connector at the end of the coaxial cable is usually the ...

A jumper comes off the bench, is offered up to a spectrum analyser port, and will not seat. Nothing is broken. One end is an SMA, the other a 2.4 mm;...

If you work with RF systems, you already know that VSWR (Voltage Standing Wave Ratio) and return loss are two sides of the same coin. Both measure th...

The prototype is finally on the bench, and then the reminder arrives: the board's SMA port has to meet a test cable that ends in BNC, while the roof ...