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This paper concerns a quarter-square analog four-quadrant multiplier, based on proprietary architecture using four CMOS inverters. The most important difference with respect to already published own circuit implementation is the use of inverter `core' of the circuit with completely redesigned auxiliary and steering blocks. The proposed circuit solution is suitable for RF applications in communication...
In the paper a circuit implementation of two CMOS low voltage VCOs are presented. First of them is a charge-pump-based voltage-controlled multivibrator, using only CMOS inverters as main building blocks, and the second one is a CMOS resonant VCO. The paper investigates the effects of injection in the presented VCOs and makes a comparison of their parameters. The simulation and experimental results...
In the paper a circuit implementation of CMOS voltage controlled oscillator is presented. The most interesting feature of the presented proposal is extreme low voltage suitability, because CMOS inverters are used as main building blocks. The simulation results with real foundry parameters are also included.
The paper summarizes a concept of CMOS implementation of a new asynchronous sigma-delta modulator, based exclusively on CMOS inverters (or similar two-transistor blocks) as building blocks. The proposed a SigmaDelta-modulator is extremely suitable for low voltage operation and is fully compatible with digital CMOS, since there are only two transistors stacked in between supply rails. Circuit diagrams...
In the paper we consider two examples of analog multipliers suitable for low votage CMOS technology. The second of the circuits presented is an example of newly proposed class of the analog CMOS circuits based on inverters with modified differential steering - separate for N- and P-transistor. This leads to very low supply voltage requirements — thus the necessary supply voltage only slightly exceeds...
W artykule opisano wybrane rozwiązania układowe liniowych i nieliniowych niskonapięciowych analogowych bloków funkcjonalnych zrealizowanych w oparciu o inwertery CMOS (lub ich niewielkie modyfikacje). Rozwiązania te charakteryzują się tym, że w obwodzie zasilania występuje zawsze stos dwóch komplementarnych tranzystorów MOS, zatem są to układy pozwalające na stosowanie najniższych z możliwych napięć...
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