宗派
发表于 2025-3-21 17:54:30
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right-atrium
发表于 2025-3-21 20:29:11
https://doi.org/10.1007/978-1-349-03548-9electrical engineering; electronics; engineering
nerve-sparing
发表于 2025-3-22 01:14:27
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Metastasis
发表于 2025-3-22 07:14:27
William L. Gitomer,Richard L. Veechnsistors and thermionic valves. The FET is not suitable for high-power amplification, but is satisfactory as a low-gain low-power amplifier with very high input impedance. Amplification at high frequencies is also described where all three types of amplifying device are used, each being suited to ce
abnegate
发表于 2025-3-22 11:21:33
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MORPH
发表于 2025-3-22 15:21:10
Seán Ó Nualláin,Arnold G. Smithapter 6, 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
MORPH
发表于 2025-3-22 19:24:48
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limber
发表于 2025-3-22 23:08:28
A Third Modality of Natural Language?,frequency of oscillation is controlled and the output amplitude stabilised. Oscillation takes place in a simple transistor or valve oscillator circuit by virtue of 180° phase reversal in the transistor or valve, together with an additional 180° reversal in an external circuit; figure 6.1a illustrate
AGGER
发表于 2025-3-23 02:36:41
Helen Santiago Fink,Ingrid Kaltenegger MDn 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
北极熊
发表于 2025-3-23 06:14:13
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