General Information Selecting connector, plating and packaging How to select the suitable coaxial connector series Technical elements Frequency, cable type, impedance and coupling mechanism are key factors to consider in selecting a coaxial connector series. Depending on the application, other factors such as sealing, temperature, working voltage, IM performance, vibra- tion etc. also have to be taken into account. Connectors must, at a minimum, provide the same level of per- formance as the cable or the application to which they are attached. This means, before selecting a connector series the cable type or the application has to be known. Its structure, dimensions and frequency range restrain the connector series that can be used. The table below shows the different cable structures and the suitable connector series. Cable structure Coaxial cables Balanced twin cables Triaxial cables High voltage (coaxial cables) Board to board Suitable connector series BMA, BNC, C, DIN 1.0/2.3, DIN 7/16, MBX, MCX, MMBX, MMCX, MMPX, MXP, MXPM, N, NEX10, PC 1.85, PC 2.4, PC 3.5, QLA, QMA, QN, SK, SMA, SMB, SMC, SMPM, SMPM-T, SMP, SSMA, TNC, UHF, 4.3-10 BNO BNT MHV (H4), SHV MBX, MFBX, MMBX Cut-off frequency as well as coupling mechanism of a connector series limit the frequency range that a connector can operate. The following table shows the frequency range of different connector series within this catalogue. PC 1.0 PC 1.85 MXPM MMPX SMPM SMPM-T MXP PC2.4 SSMA SMP SK PC 3.5 NEX10 SMA N QMA BMA MMBX 4.3-10 TNC QN C SMC 7/16 MFBX MMCX MCX MBX 1.0/2.3 SMB BNC BNT QLA SHV MHV BNO UHF 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 Frequency range of connector series Frequency (GHz) 14 HUBER+SUHNER RF connectors – general information
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