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Cinch Components



Cinch Connectivity Solutions Announces the Cinch line of SMA Self Fixture End Launch Connectors

Cinch Connectivity Solutions, a business of Cinch (NYSE:EMR) and a global leader in protecting and optimizing critical infrastructure, announces a new family of SMA Self Fixture End Launch connectors that can help improve manufacturing costs and speed-up testing cycles.

The proprietary design feature of the SMA Self Fixture End Launch connectors accurately aligns and holds the center contact of a coaxial connector to the circuit board plane until the soldering operation is complete, all without the need for special fixtures. No mounting screws-No adapters-No aftermarket tools.

The Self Fixture connectors will overcome the gaps and RF path discontinuities associated with inconsistent soldering processes. They are manufactured to produce optimal return loss values for frequencies between 0-26.5 GHz. "This family of connectors represents the latest in a long line of Cinch products that commercialize new design technology for the benefit of every customer, states Matt Burns, product manager-Johnson."

The End Launch connector is attached to the circuit board by inserting the board edge between the legs and soldering the legs and center conductor to pads on the board. For optimum high frequency performance, the connector to circuit board transition must be adjusted for low VSWR. To compensate for the transition from coax to microstrip, trace widths A and B must be adjusted based on circuit board thickness. When properly adjusted, this technique yields a low VSWR over a wide bandwidth.

The tabulated dimensions "A", "B", "C", "D", and "E" were determined experimentally to achieve low VSWR (typically less than 1.5 up to 18 GHz). The circuit board used for these tests was double-sided FR 4 with 1 oz. copper on both sides. The copper was left on the bottom of the board to create a ground plane for the 50 Ohm microstrip structure. While not all inclusive, these dimensions are given as reference information for selected SMA End Launch connectors. Further adjustments may be necessary depending upon the application. All dimensions are in inches.

Features & Benefits:

  • Designed to overcome inconsistencies in the soldering process
  • Enhanced end launch design with legs that align the center contact to the circuit board plane without the need for special fixtures
  • Provide for consistent soldering work on a variety of PCB thicknesses
  • The terminals can provide circuit board support
  • Save time and improve quality in your assembly process
  • Return loss between 0-18 GHz (26.5 GHz for high frequency model)
  • Decreases manufacturing costs and complexity in circuit board design

Applications:

  • Automated Test Equipment
  • Broadband MMIC Power Amplifiers
  • Cellular Linear Power Amplifiers
  • DBS Low-Noise Block Down Convertors
  • Global Positioning Satellite Antennas
  • GPS
  • Phased Array Antennas
  • High Speed Routers and Switches
  • Microwave Filters, Mixers, and Combiners
  • Radar Systems
  • Remote Sensing and Metering
  • RFID (Radio Frequency Identification) Tags
  • Wireless Antennas
Part Number View Inventory
142-0761-801 SMA High Freq End Launch Jack Assembly, PCB Mount
142-0761-811 SMA High Freq End Launch Jack Assembly, PCB Mount
142-0761-821 SMA High Freq End Launch Jack Assembly, PCB Mount, 15 MIL Pin
142-0761-831 SMA High Freq End Launch Jack Assembly, PCB Mount, 15 MIL Pin
142-0761-841 SMA High Freq End Launch Jack Assembly, Edge Mount
142-0761-851 SMA High Freq End Launch Jack Assembly, Edge Mount
142-0761-861 SMA High Freq End Launch Jack Assembly, Edge Mount, 15 MIL Pin
142-0761-871 SMA High Freq End Launch Jack Assembly, Edge Mount, 15 MIL Pin
142-0761-881 SMA High Freq End Launch Jack Assembly, PCB Mount, 10 MIL Pin
142-0761-891 SMA High Freq End Launch Jack Assembly, Edge MT, 10 MIL Pin
142-0771-821 SMA High Freq End Launch Jack Assembly, PCB Mount, 15 MIL Pin
142-0771-831 SMA High Freq End Launch Jack Assembly, Edge Mount, 15 MIL Pin
142-0861-851 PLUG ASSEMBLY, HIGH FREQ END LAUNCH, SMA, 10 MIL PIN

See also:
SMA End Launch Jack Receptacle Brochure (.pdf) for more product information, specifications, applications and ordering information.
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