Results 121 to 130 of about 7,133 (235)

Low phase noise oscillator using two parallel connected amplifiers [PDF]

open access: yes, 1987
A high frequency oscillator is provided by connecting two amplifier circuits in parallel where each amplifier circuit provides the other amplifier circuit with the conditions necessary for oscillation.
Kleinberg, Leonard L.
core   +1 more source

Electrochemical Phosphate Sensors With Sub‐Nanomolar Detection Limit Based on Selective and Reversible Europium(III) Receptors

open access: yesEcoMat, Volume 8, Issue 4, April 2026.
This work presents an electrochemical phosphate detection platform by integrating europium receptors into amperometric and organic electrochemical transistor sensors. These configurations enabled real‐time, selective, reversible phosphate sensing in artificial interstitial fluid and Mississippi Sound water samples, demonstrating their potential for ...
Xiyu Sun   +9 more
wiley   +1 more source

High Input Impedance Voltage-Mode Biquad Filter Using VD-DIBAs [PDF]

open access: yes, 2014
This paper deals with a single-input multiple-output biquadratic filter providing three functions (low-pass, high-pass and band-pass) based on voltage differencing differential input buffered amplifier (VD-DIBA). The quality factor and pole frequency can
Bajer, J.   +3 more
core  

Implementation of fuzzy system using different voltages of OTA for JNK pathway leading to cell survival/ death [PDF]

open access: yesNetwork Biology, 2015
In this paper a well defined method for the design of JNK pathway for epidermal growth factor/ insulin using fuzzy system using operational transconductance amplifier was discussed.
Shruti Jain, D.S. Chauhan
doaj  

Programmable low-voltage continuous-time filter for audio applications [PDF]

open access: yes, 1999
The implementation of a continuous-time filter (CTF) useful for audio frequency applications is presented in this paper. The filter functions can be programmed and tuned with two independent control variables.
Rueda Rueda, Adoración   +1 more
core  

A 0.3 V OTA with Enhanced CMRR and High Robustness to PVT Variations

open access: yesJournal of Low Power Electronics and Applications
In this paper, we present a 0.3 V body-driven operational transconductance amplifier (OTA) that exploits a biasing approach based on the use of a replica loop with gain.
Riccardo Della Sala   +3 more
doaj   +1 more source

High Gain Amplifier with Enhanced Cascoded Compensation [PDF]

open access: yes, 2014
A two-stage CMOS operational amplifier with both, gain-boosting and indirect current feedback frequency compensation performed by means of regulated cascode amplifiers, is presented. By using quasi-floating-gate transistors (QFGT) the supply requirements,
Diaz-Sanchez, A.   +5 more
core   +1 more source

0.5-V High Linear Fully Differential Multiple-Input Bulk-Driven OTA With Effective Self-Embedded CMFB

open access: yesIEEE Access
This paper presents a new fully differential multiple-input operational transconductance amplifier (FD MI-OTA) with an effective self-embedded common-mode feedback circuit (CMFB).
Fabian Khateb   +3 more
doaj   +1 more source

Simple Floating Voltage-Controlled Memductor Emulator for Analog Applications [PDF]

open access: yes, 2014
The topic of memristive circuits is a novel topic in circuit theory that has become of great importance due to its unique behavior which is useful in different applications.
Fouda, M. E., Radwan, A. G.
core   +1 more source

Low-Voltage Ultra-Low-Power Current Conveyor Based on Quasi-Floating Gate Transistors [PDF]

open access: yes, 2012
The field of low-voltage low-power CMOS technology has grown rapidly in recent years; it is an essential prerequisite particularly for portable electronic equipment and implantable medical devices due to its influence on battery lifetime.
Khateb, F., Khatib, N., Kubanek, D.
core   +1 more source

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