Impedance mismatches in a radio-frequency (RF) electrical transmission line cause power loss and reflected energy. Voltage standing wave ratio (VSWR) is a way to measure transmission line ...

The use of wireless devices has become very common in many companies and homes in recent years. Bluetooth connected computer peripherals, cell phones, wireless LAN links, and cordless phones all ...

Building a successful microwave test system requires the use of many different components to control signal flow, signal level, and signal integrity. The design engineer must consider the impact of ...

This is the fourth in a series of articles about FM transmission systems. The bandwidth of a commercial FM broadcast signal, depending on whether or not subcarriers are used, is about 260 kHz. This ...