W-band high-precision numerical control phase shifter adopting gain compensation technology

• Main Authors: ZHANG TAO, LIU XIAOXIAN, ZHU ZHANGMING, LIU JIANHUA, LU QIJUN, YOON SANG-GON
• Format: Patent
• Language: Chinese; English
• Published: 23.06.2023
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRICITY; IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS

The invention relates to a W-band high-precision numerical control phase shifter adopting a gain compensation technology, which comprises a 90-degree polarity switching logic circuit, a radio frequency amplifier, an input balun, an orthogonal signal generator, an analog adder, a double-path radio frequency amplifier and a 180-degree polarity switching logic circuit, and is characterized in that the 90-degree polarity switching logic circuit is used for generating 90-degree state voltage; the radio frequency amplifier is respectively connected with the 90-degree polarity switching logic circuit and the input balun, and the radio frequency amplifier is used for performing phase shift on the received radio frequency signal according to the 90-degree state voltage; the input Balun, the orthogonal signal generator and the analog adder are sequentially connected, secondary phase shift is performed on a radio frequency signal through a received off-chip control signal, the two-way radio frequency amplifier is connec