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Yelo Limited
Map16A Kilroot Business Park
Larne Rd.
Carrickfergus BT38 7PR
Northern Ireland
Phone: +44 28 9335 7300
Fax: +44 28 9335 7305
Specialized Products
  • Yelo Laser Burn-In and Life-Test System: Qualification systems provide a modular tightly controlled environment in which to Burn-In and Life-Test photonics components such as laser diodes, multi-edge emitters, transceivers, transmitter modules and more. Available in both high- and low-power options.
  • Yelo Testpoint Low Cost Automated Functional Test System: Automated Electrical and Electronic Test Equipment combines traditional bed of nails test fixture with In-Circuit testing and functional testing on a single benchtop station. Highly versatile and cost effective, Yelo Testpoint is used for a wide range of testing on boards, subassemblies and final products.
  • Yelo Pixi Automated PXI LabVIEW Functional Test System: A PXI based functional test system with in-circuit and continuity capability.
  • Yelo Travelling Wave Tube Test System: Travelling Wave Tube Testers feature specialized power supplies, measurement equipment and comprehensive control and safety systems.

Yelo's laser Burn-In, Life-Test and Reliability solutions are capable of testing devices such as:

  • Laser Diodes
  • Laser Bars/Laser Arrays
  • VCSEL Arrays, VCSEL Bars
  • Avalanche Photodiodes (APD)
  • PIN Photodiodes
  • VCSEL TO Headers, TO-can
  • Photonic integrated circuits including lasers, amplifiers, modulators, photodiodes and thermistors
  • Silicon Photonic Devices
  • Semiconductor Optical Amplifiers (SOA)
  • Mini DILs
  • Butterfly Packages
Yelo Ltd. was founded in 1983, known then as System Solutions. The company has also operated under Mindready and Averna Ltd. The company became Yelo Ltd in February 2010.

Yelo is situated near Belfast in Northern Ireland and is comprised of a small but perfectly formed team of 38. With over 100 man years of experience, we provide specialized test solutions and products to clients from the local companies to global enterprises across the globe. Our goal is to provide exceptional quality solutions at a competitive cost.
Established: 1983
Employees: 38
Facility area (sq ft): 5,000
David Simms, Sales/Mktg. Dir.
Green Manufacturing Green Manufacturing
Green Facility Green Facility


MS=Manufacture Stock | MC=Manufacture Custom | S=Supply/Distribute | D=Design
testing lasersvcsel arraylaser arrayapdsphotodiodesemiconductor optical amplifiersoaspin photodiodethermistorstest equipmenttestburn inlife testlaser diodediode testingquality controlVCSELcomponentstest & measurementcommunications
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