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King Fahd University of Petroleum & Minerals

Electrical Engineering Department

Associate Professor

DR. SAAD M. AL-SHAHRANI

A novel auto-tuning phase shifter circuit suitable for integrated circuit implementation is presented. The circuit exhibits simple structure
and provides phase shifting over three decades of frequency, 2 kHz–2 MHz, with a minimal phase error, less than 3.5%. Simulation
results using 0.5 um CMOS technology and power supply 2 V are included.

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