作者: 魯莽 時(shí)間: 2025-3-21 23:15 作者: ascetic 時(shí)間: 2025-3-22 03:33 作者: 軟弱 時(shí)間: 2025-3-22 06:10 作者: 松馳 時(shí)間: 2025-3-22 09:18
High-Performance CMOS Continuous-Time Filters978-1-4757-2224-6Series ISSN 0893-3405 作者: Habituate 時(shí)間: 2025-3-22 13:46 作者: transdermal 時(shí)間: 2025-3-22 20:50
e always set by the biochemical reactions and their constants). We discuss how the biological regulation of the limiting and saturating portion of the curve should be the focus—rather than the curve itself—for understanding biological responses and we describe the importance of energy and amino acid作者: 木質(zhì) 時(shí)間: 2025-3-22 23:52 作者: 不適 時(shí)間: 2025-3-23 02:10
José Silva-Martínez,Michiel Steyaert,Willy Sanseninent modifications, usually muscular, of the vas deferens. The details of the male duct structure were consistent within specimens grouped on the basis of setal distribution and shape and detailed spermathecal structure. Diverse male duct patterns are found within the polytypic species . and .. The作者: 陳腐思想 時(shí)間: 2025-3-23 08:21
José Silva-Martínez,Michiel Steyaert,Willy Sansenplemented by ecological investigations in the field and laboratory on the vertical distribution of .. 90% of the population was always found within the first few cm below the sediment surface. Aquarium observations showed that the posterior end of the worm projects above the sediment surface, where 作者: Cupping 時(shí)間: 2025-3-23 13:28
José Silva-Martínez,Michiel Steyaert,Willy Sansenversity, estuarine tubificids tend to become more important, while in tidal freshwater areas these conditions result in little change in community composition. The common bond between the faunas inhabiting tidal freshwater and estuarine areas is their opportunistic nature.作者: Interdict 時(shí)間: 2025-3-23 17:43 作者: Cumulus 時(shí)間: 2025-3-23 21:11
José Silva-Martínez,Michiel Steyaert,Willy Sansenarker of primary sensory cells, is a suitable and effective method to reveal their morphology and distribution pattern in whole mount preparations in the smallest detail, suggesting that the application of this relatively simple and cheap method may contribute to understand the basic organisation an作者: blight 時(shí)間: 2025-3-24 02:04 作者: 同時(shí)發(fā)生 時(shí)間: 2025-3-24 05:40
0893-3405 ding blocks and ending with thedesign of several high-performance continuous-time filters. Most ofthe circuits have been fabricated, theoretically analyzed ands978-1-4419-5136-6978-1-4757-2224-6Series ISSN 0893-3405 作者: Lumbar-Stenosis 時(shí)間: 2025-3-24 10:01 作者: 優(yōu)雅 時(shí)間: 2025-3-24 11:11 作者: Bricklayer 時(shí)間: 2025-3-24 18:13
Introduction,, active filters ranging from a few kiloHertz (kHz) up to several MegaHertz (MHz) are required. Some other communication systems like radio and video frequency receivers demand high-frequency and high-selectivity analog filters as well.作者: BRACE 時(shí)間: 2025-3-24 21:30
High-Performance Realizations of Continuous-Time Filters,d in chapter 2. The quality factor (e.g. the passband ripple) of the filters is controlled by full CMOS resistors. These resistors have been discussed in chapter 3. The automatic tuning systems described in chapter 4 are used for the control of a 10.7 MHz bandpass filter.作者: Ruptured-Disk 時(shí)間: 2025-3-25 00:09 作者: Apogee 時(shí)間: 2025-3-25 06:44 作者: CRUE 時(shí)間: 2025-3-25 08:14 作者: mettlesome 時(shí)間: 2025-3-25 15:41
Introduction,ding blocks as possible. In the design of high-performance electronic circuits the use of analog filters is unavoidable. The advance of the Very-Large Scale Integration (VLSI) techniques demands for high-frequency and high-performance active filtering. In Telecommunication applications, for instance作者: intolerance 時(shí)間: 2025-3-25 17:45
Very Low-Distortion Operational Transconductance Amplifiers for High-Frequency Applications,constant and the dc gain of the lossy integrators [1]. Several techniques for the implementation of full CMOS continuous-time integrators have been already reported [2–5,7,12–22,24,25]. These design techniques can be divided in RC active filters, MOSFET-C filters and OTA-C filters.作者: Prostatism 時(shí)間: 2025-3-25 23:36 作者: GRAIN 時(shí)間: 2025-3-26 03:04
High-Performance Realizations of Continuous-Time Filters, type of structures, ladder filters and biquadratic based filters [1–15, 17–24]. The frequency of these filters ranges from 100 kHz up to 10.7 MHz. For the design of these filters, the techniques described in chapters 2 to 4 are employed. The employed OTAs use the low-distortion input-stage presente作者: BUDGE 時(shí)間: 2025-3-26 05:00
General Conclusions,opologies and techniques, the design of large-signal (up to 3 Volts peak to peak with power supplies of ± 2.5 V) and low-distortion (total harmonic distortion lower than — 60 dB) continuous-time filters is feasible in 1.2–1.5 p.m CMOS technologies. Due to the very large linear range of the linearize作者: adhesive 時(shí)間: 2025-3-26 10:59 作者: dilute 時(shí)間: 2025-3-26 16:01 作者: Harridan 時(shí)間: 2025-3-26 17:35 作者: AWL 時(shí)間: 2025-3-26 22:37 作者: 大量 時(shí)間: 2025-3-27 01:14
José Silva-Martínez,Michiel Steyaert,Willy Sansenecies composition change but also their relative trophic importance and, to a more variable degree, their importance to the community. Communities from tidal freshwater areas tend to resemble the fauna of large eutrophic lakes while the fauna of estuarine areas is comprised mainly of estuarine endem作者: Isthmus 時(shí)間: 2025-3-27 08:24
José Silva-Martínez,Michiel Steyaert,Willy Sansenor intestine, and anus. The diet is omnivorous but limited by particle size. Unattached food organisms are sucked into the pharynx while sessile organisms are plucked from the substratum. Granules of acid mucosubstances that stain purple with neutral red are secreted into the stomach lumen after foo作者: promote 時(shí)間: 2025-3-27 13:17 作者: Coma704 時(shí)間: 2025-3-27 16:59 作者: 同謀 時(shí)間: 2025-3-27 20:23
Russel J. Reiter,Bruce A. Richardsonto achieve, adjustment programmes must ultimately be judged by their ability to make solvency consistent with sustained improvement in living standards. Nowhere is this more true than in low income countries such as Tanzania, where austerity can bring the most vulnerable portions of society close to, or below, subsistence levels of income.
