Interconnection


High-frequency SMA connectors

29 April 2009 Interconnection

Vitelec has released a range of high-frequency SMA end launch connectors. Specifically designed for the transition of microwave energy from coaxial to planar transmission line structures, the low-profile range is suitable for a variety of applications including GPS antennas, wireless infrastructure antennas, radar systems and high-speed routers and switches.

The connectors are specifically targeted at engineers designing circuits on very thin, high-frequency board substrates. The inline connector design minimises reflections in comparison to a right angle PC mount transition and allows operation at frequencies up to 26,5 GHz.

Eliminating the requirement for external mounting screws, adaptor sections or spring clips for assembly to the circuit board, the connectors incorporate a number of features that differentiate the range from other launch connectors. The centre contact pin does not require special orientation to the surface of the circuit board; it is mechanically captivated and maintains proper impedance while withstanding torque and axial forces.

Output coax of the connector at board launch is appropriately sized to match the thickness of the high-frequency board substrate, while the launch transition is effectively isolated from adjacent transmission lines in the signal plane. As a result, no additional shielding is required to prevent signal cross-talk effects in the transition area.

When placed on a circuit board, the connectors’ floating design allows alignment in X, Y and Z planes, minimising discontinuities due to manufacturing tolerances. A small amount of PTFE insulation projects from the rear mating plane of the connector, creating a barrier to prevent the bridging of solder between inner and outer conductors.



Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

Clearing the Static: Understanding the significance of ESD audits
Actum Electronics Circuit & System Protection
An ESD (Electrostatic Discharge) audit is the first step in establishing an ESD plan, and it is important to include all areas where ESD-sensitive components are being handled.

Read more...
Digital link 40x faster than broadband Internet
Hiconnex Interconnection
Axon’s AxoMach high-speed links were recently qualified by the European Space Agency to the ESCC 3409/001 standard, and are designed to transmit data at speeds of up to 40 Gbps for space applications.

Read more...
Modular CAT7 inter-car-connection
Hiconnex Interconnection
These modular connectors are particularly suitable for harsh environments, and have a high resistance to industrial vibration and an IP67 protection rating.

Read more...
Multi-channel cable assembly
RFiber Solutions Interconnection
Withwave’s Multi-Channel SMPM Cable Assemblies (WMCM Series) provide a wide range of multiple coax connectors and flexible cable assemblies, with a choice of 26,5, 40 and 50 GHz configurations.

Read more...
Compact power relays
Future Electronics Interconnection
The new HE-R Series power relays by Panasonic Industry are PCB-mounted relays for easy board assembly, with both two- and four-pole contact arrangement options.

Read more...
High-density multicoax cable assembly
RFiber Solutions Interconnection
Withwave’s high speed and high-density Multicoax Cable Assemblies (WMX Series) provide a wide range of multiple coax connectors and flexible cable assemblies with a choice of 20, 40, 50, 67 or 110 GHz configurations.

Read more...
Centralised distribution for M8 and M12 connectors
Communica Interconnection
Amphenol LTW’s distribution boxes facilitate efficient cable management, easy installation with pre-wired configuration, and provide a centralised distribution point for M8 and M12 connectors.

Read more...
What is an RF connector?
Spectrum Concepts Editor's Choice Interconnection
If you look across the broader electromagnetic spectrum, the selection of the 3 kHz to 300 GHz frequency range for RF signals is a result of a balance between propagation characteristics, data transmission requirements, regulatory allocations, and the compatibility of electronic components and devices.

Read more...
Multi-head battery contacting solutions
Electronic Industry Supplies Interconnection
INGUN has developed contacting solutions which boast low contact resistances, maximum reduced power losses, and stable, durable electrical connections in either single- or multi-head contacting configurations.

Read more...
Clearing the Static: The importance of ESD wrist straps
Actum Electronics Circuit & System Protection
ESD clothing plays a pivotal role in preventing that people do not charge the products that they are working with.

Read more...