Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Mikko Kaltiokallio"'
Autor:
Markus Hiienkari, Jukka Teittinen, Lauri Koskinen, Matthew Turnquist, Jani Mäkipää, Arto Rantala, Matti Sopanen, Mikko Kaltiokallio
Publikováno v:
Journal of Low Power Electronics and Applications, Vol 5, Iss 2, Pp 57-68 (2015)
To minimize energy consumption of a digital circuit, logic can be operated at sub- or near-threshold voltage. Operation at this region is challenging due to device and environment variations, and resulting performance may not be adequate to all appli
Externí odkaz:
https://doaj.org/article/c1af18f6b459465a89636a8763954d5c
Autor:
Mikko Kaltiokallio, Kim B. Ostman, Olli Viitala, Kari Stadius, Jussi Ryynanen, Kimmo Koli, Mikko Englund
Publikováno v:
IEEE Journal of Solid-State Circuits. 50:644-655
This paper presents a wideband direct ΔΣ receiver for the 0.7-2.7 GHz frequency range. The architecture embeds a wideband direct-conversion RF front-end into a continuous-time feedback ΔΣ modulator, which initiates the analog-to-digital conversio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dca40cf81d75da0b84df95dcd9191db1
https://doi.org/10.1109/jssc.2015.2397193
https://doi.org/10.1109/jssc.2015.2397193
Autor:
Jussi Ryynanen, Mikko Kaltiokallio, Mikko Englund, Kimmo Koli, Olli Viitala, Kari Stadius, Kim B. Ostman
Publikováno v:
IEEE Transactions on Circuits and Systems I: Regular Papers. 62:234-243
N-path techniques have become a popular candidate alternative to external pre-selection filtering in wireless receivers. Their main attraction lies in enabling tunable on-chip high- $Q$ filters, with straightforward migration from one CMOS node to an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6a1f6dc2d79100af153b837ef27b26f
https://doi.org/10.1109/tcsi.2014.2358331
https://doi.org/10.1109/tcsi.2014.2358331
Autor:
Kimmo Koli, Mikko Englund, Kari Stadius, Mikko Kaltiokallio, Kim B. Ostman, Jussi Ryynanen, Olli Viitala
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 62:2071-2083
This paper presents the analysis, design, and measurements of a 2.5-GHz receiver front-end in a 40-nm CMOS technology. The front-end utilizes RLC-resonator quality factor (Q) boosting and four-phase N-path filtering to improve the blocker filtering c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f7549e0ae7fa90f1581c281f37d722d
https://doi.org/10.1109/tmtt.2014.2333714
https://doi.org/10.1109/tmtt.2014.2333714
A 0.7–2.7-GHz Blocker-Tolerant Compact-Size Single-Antenna Receiver for Wideband Mobile Applications
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 61:3339-3349
Passive-mixer-first receivers have recently demonstrated flexible, low-noise, and high-linearity performance. Likewise, capacitive coupling element antennas have been demonstrated to be a viable choice for mobile handset integration. This paper combi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c6110061103a40baeb8857541efa7e0
https://doi.org/10.1109/tmtt.2013.2274434
https://doi.org/10.1109/tmtt.2013.2274434
Publikováno v:
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION. 61(5):2783-2791
Antenna prototypes based on a simple capacitive coupling element (CCE) on a compact smartphone chassis are presented. This versatile antenna structure is easily modifiable with circuit design. We show with experimental data how the same CCE is implem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5b88c7b45072a0bf7b9d86fba495b9f
http://juuli.fi/Record/0337413513
http://juuli.fi/Record/0337413513
Publikováno v:
IEEE Journal of Solid-State Circuits. 47:1636-1645
This paper presents a wideband blocker filtering technique for an RF front-end. A wideband LNA and a transferred impedance filter are implemented as part of a receiver to demonstrate the feasibility of the system. The transferred impedance filter inc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45e96d82f83a14d7cb3df59e3c537f48
https://doi.org/10.1109/jssc.2012.2191348
https://doi.org/10.1109/jssc.2012.2191348
Publikováno v:
IEEE Transactions on Circuits and Systems I: Regular Papers. 56:1488-1499
An integrated fifth-order continuous-time low-pass filter for a WiMedia ultrawideband radio receiver is described in this paper. The prototype filter is realized with a passive pole at the filter input and a fourth-order leapfrog filter in which the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f01418db085d942649a5596f44ca2168
https://doi.org/10.1109/tcsi.2008.2006213
https://doi.org/10.1109/tcsi.2008.2006213
Publikováno v:
ECCTD
The design of a common-gate LNA for the wideband applications is discussed in this paper. First, the effect of the different components in matching network is analyzed in detail. This is followed by the design of a wideband input matching and output
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee7f1be9631fc65f625952fb78bc5bf1
https://doi.org/10.1002/cta.543
https://doi.org/10.1002/cta.543
Publikováno v:
Analog Integrated Circuits and Signal Processing. 59:117-128
This paper describes a direct-conversion RF front-end designed for a dual-band WiMedia UWB receiver. The front-end operates in band group BG1 and BG3 frequencies. It includes multi-stage LNAs, down-conversion mixers, a polyphase filter for quadrature
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29ee524141906ce7843a143d14542ee2
https://doi.org/10.1007/s10470-008-9254-x
https://doi.org/10.1007/s10470-008-9254-x