Advanced Technical Materials 'ATM'
{Coaxial Components, Fixed/Variable, Isolators/Circulators}
Cobham
{Circulators / Isolators, Waveguide}
DiTom Microwave Inc.
{Ferrite Isolators and Circulators}
M2 Global Technology Inc.
{Isolators, Circulators, Waveguide Components}
MECA Electronics Inc.
{Isolators, Cirulators}
Renaissance Electronics Corp.
{Isolators, Circulators}
Sierra Microwave Technology
{Isolator/Circulators, Equalizer, Bias Tee}
A Circulator is a device having three or more ports, which passes energy from one port to another, while an Isolator is a Circulator with one of the ports terminated [loaded]. An isolator with a loaded port will reflect power back to the previous port
MIL-DTL-28791/1: Isolators, Radio Frequency, Coaxial
This is a listing of RF Circulator Manufacturers.
The types of Circulator Modules are listed under the company name in alphabetic order.