نتایج جستجو برای: cmos integrated circuit
تعداد نتایج: 375892 فیلتر نتایج به سال:
A new automatic tuning circuit based on synchronous rectification scheme is proposed and functions in the idle periods between the burst-mode transmissions. The proposed CMOS tuning circuit can be fully integrated with the front-end filter. Simulation results employing 0.5μm CMOS technology have verified that the center frequency is automatically tuned to 1.25GHz with 10% process variation pres...
This paper describes the design of a bandgap reference, implemented in 0.50 μm CMOS technology. The circuit generates a reference voltage of 1.2218V. It can operate between 20oC & 70o C. Total variation of reference voltage within the temperature range is 2.6mV which is 0.213% of the reference voltage. This circuit works in a current feedback mode, and it generates its own reference current, re...
The very fast growing market of portable equipment is increasing interest in low power integrates circuit. So, designing low power integrated circuits requires reduction of supply voltages and interconnection parasitic to minimum but reduction in supply voltage implies series of problems in circuit design. To overcome these issues, an Ultra low power low voltage two stage class AB CMOS fully di...
We have developed an integrated circuit for in situ monitoring and characterization of CMOS post-process micromachining. In our demonstration, the circuit provides automated readout of N-well resistors surrounding each of 140 micromachining test structures at up to 14,000 samples per second per device during the post-process silicon etch. We use this circuit to examine the effect of pit size, s...
Abstract CMOS processes that have been developed primarily for logic are now increasingly used for analog and mixed signal applications. Process restrictions, wide parametric variance, and noisy application environments lead to special efforts in circuit design/architecture, layout techniques, and optimizing the use of a limited process. This paper addresses a combination of techniques that pro...
A precision CMOS voltage reference circuit is very important for the design of the stable voltage down converter of the high density VLSIs. By using the active mode operation of the component MOS transistors a CMOS bandgap type reference voltage circuit was redesigned for the enhancement of the circuit stability against the internal noises. The voltage supply independence, temperature independe...
We propose a CMOS circuit that can be used as an equivalent to resistors. This circuit uses a simple differential pair with diodeconnected MOSFETs and operates as a high-resistance resistor when driven in the subthreshold region of MOSFETs. Its resistance can be controlled in a range of 1–1000 MΩ by adjusting a tail current for the differential pair. The results of device fabrication with a 0.3...
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