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ARTICLES

Range of DPDT – Transfer Switches: 411HQ Series

411HQ SeriesThe 411HQ Series from Dow-Key Microwave is a range of DPDT (transfer) switches that operate from DC to 27 GHz. They have been developed for use in critical programs such as Inmarsat-4 satellite system and intranet content solutions (video, fax, email, LAN access) applications. These switches have an insertion loss up to 0.45 dB, an isolation of 65 dB and a VSWR of 1.45:1.  They can handle up to 2 W of CW power and weigh only 55 g.


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High Power T-Switch: 511H-Series

511H-Series high power T-switchDow-Key Microwave Corp. presents its 511H-Series high power T-switch which has been qualified and supplied to various domestic and international space programs for both military and commercial use.  The 511H-Series design is offered with 1.5 kW peak power at UHF, 300 W peak power both at L-Band and S-Band, and 200 W peak power at C-Band.


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Reliant Switch

Reliant SwitchThe Reliant Switch™ is a 1x6 bidirectional coaxial switch with an operating frequency from DC to 26.5 GHz, which covers the typical 6 GHz test range and beyond for high-speed testing. This switch is designed with a high isolation of 100 dB (up to 4 GHz) to maintain RF consistency between port-to-port testing and can sustain a guaranteed insertion loss repeatability of 0.03 dB across the entire frequency band.


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Low PIM Coaxial Switches with N-Type Connectors

Low_PIM_Switches_N_type_5x3

This series of low PIM switches is now available with N-type connectors (in addition to SMA connectors). SPDT, DPDT and SP6T with SMA or N-type connectors are available, which are specifically designed and guaranteed to meet 3rd order IM requirements below -160 dBc; at 1870 MHz and at approximately +43 dBm with carrier frequencies 1930 MHz and 1990 MHz.


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