A low power high dynamic range broadband variable gain amplifier for an ultra wideband receiver

... A LOW POWER, HIGH DYNAMIC RANGE, BROADBAND VARIABLE GAIN AMPLIFIER FOR AN ULTRA WIDEBAND RECEIVER A Thesis by LIN CHEN Submitted to the Office of Graduate Studies of Texas A& amp;M ... Charles S. Lessard Head of Department, Costas Georghiades May 2006 Major Subject: Electrical Engineering iii ABSTRACT A Low Power, High Dynamic Range, Broadband Var...

Ngày tải lên: 06/11/2012, 10:26

... rectangular fin heat exchangers were amounted on the heat and cold side of the thermoelectric module, with an extended area of about 91 cm 2 and 128 cm 2 , respectively. A 2.4W axial fan for forced ... became a thin layer of liquid film, driven by the surface tension. Such a liquid film was a great thermal resistance and then led to a weak heat and mass transfer between the fin...

Ngày tải lên: 05/09/2013, 16:10

... A Comparison of High- Level Full-System Power Models Suzanne Rivoire Sonoma State University Parthasarathy Ranganathan Hewlett-Packard Labs Christos Kozyrakis Stanford University Abstract Dynamic ... and CPU performance counters to model the power consumptions of a blade and an Itanium server [4]. This study evaluates the latter approaches for a wider range of systems and w...

Ngày tải lên: 19/02/2014, 18:20

... spaces, the Data Memory and the Program Memory space. In addition, the ATmega16 features an EEPROM Memory for data storage. All three memory spaces are linear and regular. In-System Reprogrammable ... bytes of data EEPROM memory. It is organized as a separate data space, in which single bytes can be read and written. The EEPROM has an endurance of at least 100,000 write/erase cycles....

Ngày tải lên: 15/04/2014, 14:32

... (6). Y-axis: Percentage of patients Panel A: AVNRT. Panel B: AVRT. Panel C: EAT Comparing the categorical variables before and after ablation in AVNRT patients, applying the McNemar-Test ... http://www.medsci.org 31Table 2: Distribution of symptoms prior to ablation for AVNRT-, AVRT-and EAT patients. Panel A: Quantity and duration of episodes and the associated symptoms. Panel B: Detracti...

Ngày tải lên: 03/11/2012, 11:44

... turbines are suggested, which are based on similar theory among turbo machines based on applications in hydraulic systems with guarantee discharge and available head. The hydrodynamic fluid mechanical ... circle movement. The transformation of an alternative linear movement of a piston throughout the rotation of the shaft of a generator can be made by a known mechanism as handle and r...

Ngày tải lên: 05/09/2013, 15:28

... RO PIN FUNCTIONNAME MAX481/MAX483/ MAX485/MAX487/ MAX1487 MAX488/ MAX490 MAX489/ MAX491 MAX481/MAX483/MAX485/MAX487–MAX491/MAX1487 __________Applications Information The MAX481/MAX483/MAX485/MAX487–MAX491 and MAX1487 are low- power transceivers for RS-485 and ... communications. The MAX481, MAX485, MAX490, MAX491, and MAX1487 can transmit and receive at data rates up to 2.5Mbps, while th...

Ngày tải lên: 22/12/2013, 14:15

... gọi dây balance là AES/EBU Analogue Băng từ LPs/casstte lưu âm thanh dưới dạng analog ADD (Analog Digital Digital) Âm nhạc được thu âm ở dạng analog (A) , đánh d a gốc cũng ở dạnh analog và lưu ... thanh tần số cao TOROIDAL Biến thế hình xuyến có độ ổn định cao và ít gây nhiễu cho mạch điện xung quanh TONEARM Cần quay đ a, thiết bị giữ đầu car-tridge c a máy quay đ a than Subwoofer (loa ....

Ngày tải lên: 26/12/2013, 16:53

Ngày tải lên: 03/01/2014, 19:44

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Ngày tải lên: 15/02/2014, 13:20