eeworldonline

RF directional couplers shrink in size, not performance: part 2

This essential measurement accessory for microwaves has morphed from waveguides down to tiny surface-mount components. Part 1 examines the need for and basic principles of directional couplers and ...
eeworldonline

FAQ on RF directional couplers: part 1

This essential measurement accessory for microwaves has morphed from waveguides down to tiny surface-mount components. Engineers who work with circuits typically use a multimeter as their primary test ...
Frontiers

Design of an eight-hole directional coupler for W-band cryogenic receivers

For the system noise temperature calibration of the K/Q/W triple-band cryogenic receiver on Tianma Radio Telescope (TMRT), a design of W-band eight-hole waveguide directional coupler is proposed in ...
IEEE

Design of Fabrication Error-Tolerant Microstrip Directional Coupler

Abstract: In this paper, an error tolerance design technique is proposed and demonstrated by 28GHz microstrip directional coupler. By including the tolerance ...
IEEE

Generalized directional coupling for high-precision manipulation of the optical phase for classical and quantum light

Abstract: Summary form only given. The manipulation of the phase of classical and quantum light is a major key to quantum photonics [1]. Integrated optics has several advantages over bulk optical ...