Quadrant is highly skilled and experienced in semi-rigid and conformable coaxial production

26th April 2010
Posted By : ES Admin
Quadrant is highly skilled and experienced in semi-rigid and conformable coaxial production

Quadrant has a high degree of technical capability and engineering expertise in the demanding area of close tolerance, semi-rigid and hand formable cable assemblies. This type of assembly outperforms cables with a braided outer conductor, especially at higher frequencies, providing excellent microwave performance, 100% RF shielding and accurate positioning for complicated routing.

These products are in great demand for RF and microwave applications for products such as tank radar coils, U-links, wave guide launchers, delay lines, mobile phone interconnection and phase matched assemblies used in markets such as the defence, telecommunications and marine industries.

Quadrant has been supplying standard and custom-designed coaxial cable assemblies for nearly 20 years and they are either two axis, for straight or right angled assemblies, or three axis that are computer designed in 3D, using the latest AutoCAD software, to form extremely complicated, compound angle assemblies to a high degree of accuracy.

To form the assemblies both standard and custom-designed tooling is required and manufacturing the necessary bespoke tooling jigs is a skill that is essential to be a top performer in this area.

The main termination method for semi-rigid and conformable cable is by use of resistance soldering and the Quadrant reflow oven can be used for large volume, medium sized assemblies. Most cable types can be accommodated from UT47 up to UT250 (RG401) for bare/tinned copper or tinned aluminium and these cables can be terminated with a wide range of connectors from a micro-miniature SMP connector to the larger 7/16 connector type.

Testing and temperature cycling is an important part of semi-rigid and conformable cable manufacture and at Quadrant temperature cycling is provided using environmental ovens that can cycle from -70°C to +180°C and can meet paragraph 6.6 of MIL–C-17. Specialised test equipment is used to measure up to 40GHz and details of return loss, VSWR, attenuation, phase length, electrical delay and time domain test and results can be supplied to the customer if required.

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