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Software & CAD

HMC543LC4B 4-Bit Digital Phase Shifter

January 17, 2011
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The HMC543LC4B is a 4-Bit Digital Phase Shifter which is rated for operation from 8 to 12 GHz, and provides 0 to 360 degrees of phase coverage with a LSB of 22.5 degrees. The HMC543LC4B provides a very low RMS phase error of 5 degrees and extremely low insertion loss variation of ± 0.8 dB across all phase states. This high accuracy phase shifter is controlled with complementary logic of 0/-3V, and requires no fixed bias voltage. Simple external level shifting circuitry can be used to convert a positive CMOS control voltage into complementary negative control signals. Housed in a compact, RoHS compliant 4 x 4 mm ceramic leadless SMT package, the HMC543LC4B is internally matched to 50 Ohms and requires no external components. The HMC543LC4B complements Hittite’s existing line of high performance Analog Phase Shifters which provide frequency coverage from 5 to 18 GHz

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