Dow-Key® Microwave introduces a new switch product to their high-performance product series called Reliant Switch™; a terminated SPDT switch available with or without TTL control is entering the market. The Reliant Switch™ product line is economically priced to minimize impact to budgetary concerns and is designed to deliver its specified performance over the life of the switch.
Dow-Key Microwave introduces a new switch product to their high performance product series called Reliant Switch™; a terminated SPDT switch available with or without TTL control is entering the market. The Reliant Switch™ product line is economically priced to minimize impact to budgetary concerns and is designed to deliver its specified performance over the life of the switch. Customers now have the flexibility to choose between life expectancy and cost without sacrificing switch performance.
The addition to the Reliant Switch™ product line is the R521-series bidirectional 1×2 terminated coaxial switch. Each RF port of the SPDT switch will internally be terminated to a 2W 50-ohm termination when not in operation, making it an ideal switch for routing and testing WLANs, WiMAX LTE/4G/5G networks and separating signal sources in multi-band receiver/transmitter antenna applications operating from DC up to 26.5 GHz. The switch has successfully been tested to sustain a guaranteed insertion loss repeatability of 0.03 dB across the entire frequency band and outperformed an extended life with a minimum of 10 Million cycles per switch position, which is a 10X improvement over a typical SPDT switch.
Covering DC to 26.5 GHz, the bidirectional coaxial switch has a maximum insertion loss of 0.42 dB up to 4 GHz and 0.80 dB at 26.5 GHz and the repeatability of the insertion loss is guaranteed to be 0.03 dB across the entire operating band. The design offers a low VSWR: 1.15:1 up to 4 GHz and 1.50:1 at 26.5 GHz. Further, the switch is designed with a high isolation: 85 dB at 4 GHz and no less than 60 dB at 26.5 GHz. To meet a variety of test & measurement setups and signal switching configurations, the Reliant Switch™ is offered with latching self cut-off actuators, optical position indicators and SMA connectors. The terminated SPDT R521K-series switch operates in break-before-make mode and handles 150 W CW input power at 3 GHz.
The Reliant Switch™ R521-series terminated SPDT has a switching time of 15 ms and it is offered with a nominal power supply voltages of +12 Vdc or +24 Vdc. The switch can be controlled by applying ground to close the desired RF port, but it is also available to be controlled via TTL logic (by applying +5 Vdc to close a port or +0 Vdc to open a port).
The Reliant Switch™ R521K-series switch operates over a -25℃ to +75℃ temperature range and can be stored between -55℃ to +85℃. For antenna and radar-related applications, the switch operates up to 15,000 ft and can be stored at 50,000 ft without any performance degradation.
The next configuration in the Reliant Switch™ product line that will hit the market is a multi-position SP6T coaxial switch.
For more information, contact Dow-Key Microwave at askDK(at)dowkey(dot)com.
About Dow-Key® Microwave Corporation:
As the world’s largest manufacturer of electromechanical switches, Dow-Key® Microwave Corporation is committed to providing unparalleled customer service, competitive pricing, on-time delivery and products that are distinguished by quality and reliability. Founded in 1945, Dow-Key® is the oldest continuously operating switch manufacturer in the United States. Today, the company is part of the Microwave Products Group (MPG), a subsidiary of Dover Corporation. Dover is a multi-billion dollar, diversified manufacturer of a wide range of proprietary electronic components and systems.
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