Shouli Zhou, Jingle Zhang, Jianmin Wu, Shancheng Zhou, Yuanfei Cheng. Design of Ku-band 6 bit digital attenuator of microwave monolithic integrated circuit[J]. High Power Laser and Particle Beams, 2019, 31(12): 123004
- High Power Laser and Particle Beams
- Vol. 31, Issue 12, 123004 (2019)
Fig. 1. Schematic and equivalent model of switching circuit
Fig. 2. Circuit topology of digital attenuator
Fig. 3. Resistance attenuation network topology
Fig. 4. The photograph of digital attenuator chip
Fig. 5. Measured input VSWR of all 64 states
Fig. 6. Measured output VSWR of all 64 states
Fig. 7. Measured insertion loss of reference state
Fig. 8. Measured relative attenuation of all 64 states
Fig. 9. Measured RMS error of attenuation of all 64 states
Fig. 10. Measured phase variation of all 64 states
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