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This paper presents a low voltage adjustable CMOS Schmitt trigger using dynamic threshold MOS (DTMOS). Cross-coupled inverter with body control is employed to speed up the switching process, and control the intensity of the feedback. The proposed Schmitt trigger has been designed using 0.18 μm 0.4 V CMOS technology and analyzed using PSPICE with BSIM3V3 device models. The simulation results show rail-to-rail...
This paper presents a 0.8 V class-AB linear operational transconductance amplifier (OTA) using DTMOS for high-frequency applications. The circuit employs positive feedback to enhance the input impedance, and feed-forward technique to suppress the common-mode gain. The circuit is designed using 0.18 μm CMOS technology under 0.8 V supply. The simulation results show rail-to-rail input/output swing,...
This paper presents a 0.5 V pseudo fully differential CMOS op-amp with rail-to-rail input/output swing. The circuit is designed based on class AB input and output stages. In the design, quasi FGMOS transistors are employed. The proposed amplifier is designed using 0.18 μm CMOS technology, and the simulation results show rail-to-rail input and output swings. The open-loop gain and gain-bandwidth product...
An ultra low voltage rail-to-rail DTMOS voltage follower is presented. The circuit is developed based on a complementary source follower with a common-source output stage. The circuit is designed using a 0.13 μm CMOS technology and SPICE is used to verify the circuit performance. The voltage follower can drive ± 0.25 V to the 500 Ω with the total harmonic distortion (THD) of 0.4% at the operating...
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