Fine-tuning for the RF isolator 

By Harold Kinley

The goal is minimum insertion loss in the forward direction, maximum isolation in the reverse...

The isolator: An RF traffic director 

BY HAROLD KINLEY

An RF isolator keeps reflected power from returning to the transmitter output and keeps other signals from getting into the transmitter output. It also...

RF amplifiers coming and going 

BY HAROLD KINLEY

Radio frequency amplifiers are used on both receivers and transmitters. Generally, receivers incorporate an RF amplifier stage internal to the receiver....

Motorola, wOz promise to make RFID personal 

Donny Jackson

Motorola and Wheels of Zeus [wOz], a startup headed by Apple Computer co-founder Steve Wozniak, have announced a partnership to develop and distribute...

Digital RF signals require new tools 

BY DONNY JACKSON

Nothing deflates a holiday gathering faster than watching youngsters excitedly unwrap much-wanted presents only to discover they can't play with them...