Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Mohammad Jafar Hemmati"'
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 17, Iss 14, Pp 1073-1081 (2023)
Abstract This paper presents a differential complementary metal oxide semiconductor inductor‐capacitor voltage controlled oscillator (LC‐VCO). The VCO is adopted from the gate‐to‐source capacitor feedback Colpitts VCO which has the advantage
Externí odkaz:
https://doaj.org/article/d1aa570c5c2d49c3a5a64469234f05b8
Publikováno v:
Evolving Systems. 14:59-67
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b5c2df0afdc7f322366e51cc64a1926
https://doi.org/10.1007/s12530-022-09433-5
https://doi.org/10.1007/s12530-022-09433-5
Publikováno v:
International Journal of Circuit Theory and Applications. 49:1285-1306
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::229e60f925f1fcb6039d427d4570eaaa
https://doi.org/10.1002/cta.3006
https://doi.org/10.1002/cta.3006
Publikováno v:
2022 30th International Conference on Electrical Engineering (ICEE).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5e62d9682fa76cc1ccc40b0d38f8931
https://doi.org/10.1109/icee55646.2022.9827174
https://doi.org/10.1109/icee55646.2022.9827174
Publikováno v:
Microelectronics Journal. 85:6-16
This work presents the design of a new low-voltage Colpitts LC quadrature voltage controlled oscillator (LC-QVCO). The proposed QVCO consists of two identical differential Colpitts VCOs in which gm-boosting techniques are employed to improve the star
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7806ba76d2af5d580996a9844906f81d
https://doi.org/10.1016/j.mejo.2019.01.010
https://doi.org/10.1016/j.mejo.2019.01.010
Publikováno v:
Analog Integrated Circuits and Signal Processing. 97:159-168
In this work, a new differential topology of Colpitts VCO with an enhanced transconductance is presented. The proposed circuit is consisted of an NMOS and a PMOS differential Colpitts cores configured as complementary, and also an LC resonator. The V
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0360262ba72fc77e0ffa45f6dfe0781e
https://doi.org/10.1007/s10470-018-1288-0
https://doi.org/10.1007/s10470-018-1288-0
Autor:
Mohammad Jafar Hemmati, Ahmad Hakimi
Publikováno v:
Microelectronics Journal. 72:32-39
In this work, a new configuration of differential drain-to-source Colpitts LC voltage controlled oscillator (VCO) is proposed for low voltage applications. The circuit employs two capacitors in a cross-coupled positive feedback to separate the gate b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f6b7713af609a8404f0e77c0fc4d143
https://doi.org/10.1016/j.mejo.2017.11.014
https://doi.org/10.1016/j.mejo.2017.11.014
Publikováno v:
International Journal of Electronics Letters. 6:390-402
In this work, two new LC injection-locked frequency dividers (ILFDs) based on voltage-controlled oscillator are proposed. One of the proposed circuits is a divide-by-2 and the other is a divide-by-...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c014c9303995d7f6247f929996b875ec
https://doi.org/10.1080/21681724.2017.1381996
https://doi.org/10.1080/21681724.2017.1381996
Autor:
Mohammad Jafar Hemmati, Sasan Naseh
Publikováno v:
Analog Integrated Circuits and Signal Processing. 79:583-588
In this work a new low-noise low-power Colpitts quadrature voltage controlled oscillator (QVCO) made by coupling two identical current-switching differential Colpitts voltage controlled oscillators (VCO) is proposed; coupling of the VCOs is done usin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37200f13c62134c430082fd706b066d2
https://doi.org/10.1007/s10470-014-0278-0
https://doi.org/10.1007/s10470-014-0278-0
Publikováno v:
2016 24th Iranian Conference on Electrical Engineering (ICEE).
In this work, a new differential injection locked frequency divider is proposed. The circuit is realized with a current-switching colpitts voltage controlled oscillator, a NMOS transistor and two inductors. The MOS transistor is used as an injection
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c6df33ec0929fe25e37fae92ff81c32
https://doi.org/10.1109/iraniancee.2016.7585658
https://doi.org/10.1109/iraniancee.2016.7585658