Affiliation
发表于 2025-3-25 05:30:40
J. Antony Vijay,C. D. Prem Kumar,B. Gomathino signal was being transmitted, the noise being the product of random voltages appearing in the transmission system. Radio operators still regard this as the definition of noise, but noise is now given a broader definition to take into account any random fluctuations of voltage or current that are
动脉
发表于 2025-3-25 08:06:10
John Jones,Mark Millington,Maria Virvoupter 7, or . feedback, such as that due to stray capacitance. Negative feedback is often introduced into an amplifier, since this gives improved bandwidth and stability as well as reducing noise and distortion. Positive feedback produces oscillations in a normal amplifier; sometimes these occur as u
PAN
发表于 2025-3-25 12:09:48
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Exuberance
发表于 2025-3-25 18:46:16
Successfully Running the Offshore Project,n the plate was positive. In 1897 Fleming applied this principle to the radio detector, and in 1906 de Forest added the control grid forming the thermionic triode. Methods and materials of manufacture have since developed the valve into its present state. The transistor was invented in 1948 as a res
Override
发表于 2025-3-25 20:17:48
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粗鲁性质
发表于 2025-3-26 03:12:10
Wanchun Dou,Xiaolong Xu,Shui Yu-state system has only two levels at any one point, these are referred to as ‘on’ or ‘off’, ‘yes’ or ‘no’, ‘up’ or ‘down’, and so on. . are the small electronic subsystems that perform the logic decisions of NOT, AND, OR, and so on, which are incorporated inside any piece of digital electronic equip
Lymphocyte
发表于 2025-3-26 04:32:19
Macmillan Publishers Limited 1983
congenial
发表于 2025-3-26 11:12:11
Weihua Li,Xiaoli Zhang,Ruqiang Yancts that use electronic circuits in one form or other. These electronic circuits can be very simple indeed, consisting of only one or two components—such as the photovoltaic lightmeter—or they can be very complex with circuit integration, encapsulation or miniaturisation such as that found in minicomputers or guided-missile systems.
离开
发表于 2025-3-26 14:51:11
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闪光你我
发表于 2025-3-26 17:12:02
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