Amplifier Research Corporation is being awarded a $5.7 million, firm-fixed-price, indefinite delivery/indefinite quantity contract for high power radio frequency amplifier systems in support of ...

Amateur radio is the only hobby that offers its licensed operators the chance to legally design, build, and operate high power radio transceivers connected to unlimited antenna arrays for the purpose ...

SAN DIEGO--(BUSINESS WIRE)--International Microwave Symposium – Marki Microwave®, innovator in the radio frequency and microwave industry for over 30 years, today announced the expansion of its core ...

During broadcast radio’s first decade, little thought was given to transmitter efficiency. Main concerns of the industry were availability of broadcast spectrum (sound familiar?); keeping transmitter ...

With so much attention on IBOC, it is appropriate to step back and review the basic principles of RF amplifiers. The radio transmitter is a collection of stages. Each stage modifies the signal in some ...

Marked: "Grebe Radio / Richmond Hill, N.Y. / Type RORN / Tuned Radio Amplifier / 150 to 3000 M. / Serial No. 294." Plate: "Manufactured Under Grebe Patents Granted and Pending. Unit is a single stage ...