Dow-Key Microwave has released its next generation of lightweight waveguide switches which are superior to previous designs in terms of weight, size and current consumption. These switches are available in WR62, WR75 and WR90 with frequencies ranging between 12,4–18,0 GHz, 10,0–15,0 GHz, and 8,20–12,4 GHz respectively.
The switches are offered in latching self cut-off operating mode with a design life of 200 000 cycles and can operate in temperatures ranging from -54°C to +85°C, allowing usage in both ground and airborne applications. In addition, they are equipped with indicator circuitry and with transient suppression diodes. They are available with two different flange types: cover flange and choke flange.
The new switches have been accurately and carefully engineered to meet today’s need in military and commercial applications. Therefore, the total weight for the WR62 has been reduced by 46% and by 55% for both WR75 and WR90 waveguide models which results in a weight of 300 grams. Also, the overall dimensions are slightly smaller when compared to earlier designs, and the new waveguides now draw 65% less current which is equivalent to 350 mA.
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