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تعداد نتایج: 135957 فیلتر نتایج به سال:
In this paper a new linear power control technique is presented to control the output power of cascode power amplifiers. Using this technique the output power of power amplifier can be controlled from the maximum output power to 136 dBm, continuously. The characteristic of the output voltage versus control voltage is linear from 15.9 to 18.6 dBm (a range of 34.5 dB) of the output power. Also at...
This paper presents a 30dBm (1W) class-E power amplifier projected in a standard 0.18-μm CMOS technology. The power amplifier (PA) consists in two differentials stages. The main stage employs a cascode class-E RF power amplifier with a self-biasing circuit. The driver stage uses the technique of Injection-Locking to substantially reduce the input power signal, maintaining a high gain. At 2.45 G...
the purpose of business entity is to maximize shareholders wealth by enhancing the firm’s value thus, getting expected returns are very important for them. investors and creditors are going to find a precise scale for measuring overall performance of a firm as a whole to decide whether to invest in the firm, to continue with the firm or to exit from it. economic value added (eva) is an analytic...
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