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In this paper, a new structure of voltage-mode MAX-MIN circuit is presented for fuzzy applications, neural network and etc. A differential pair with improved cascode current mirror is used to choose the desired input. The advantages of the proposed structure are high operating frequency, High precision, low power consumption, low area and simple expansion for multiple inputs by adding only three transistors...
This paper presents a new open-loop phase shifter and frequency synthesizer which can be implemented by small hardware. In the proposed method the differential square wave is converted to a differential ramp. Then the cross point of two ramps will be detected as the middle point of high or low duration which will be full-range recovered for 90deg shifting operation. Four phases in 10 MHz frequency...
This paper presents a new high speed voltage-mode max-min method for fuzzy application. In the proposed circuits, a differential pair is employed to choose the desired input. In addition to high speed, high precision and simple expansion for multiple inputs are the main advantages of this method. HSPICE simulation results show that the proposed circuit has maximum of 1% error at 100MHz.
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