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CV111-1AF 数据资料DataSheet下载
CV111-1AF 数据资料DataSheet下载

... functions as denoted in the colored dotted areas above: RF/IF diplexing (purple; this is only used with the cellular-band CV products), amplifier matching (green), filtering (red), and dc biasing (blue). There are various placeholders for chip components in the circuit schematic so that a common PCB ...
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Sérgio CRUZ 1,2 , Flávio GASPAR 2

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... and the increasing of their operative life. Therefore, designs of low power adaptive circuits are getting into a trend to meet the growing demand. This dissertation explores low power adaptive circuits in two different areas. One is a log domain filter operating at audio frequency for system identif ...
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Mobius Microsystems CICC Talk

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investigation of numerical technique to evaluate frequency response

... These displacements in the winding maybe the result of transportation damage occurring between the manufacturer and the installation location, short circuit forces imposed on the windings resulting from a low impedance fault occurring close to the transformer and natural effects of aging on the insu ...
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product guide-2003 - Clarke Power Generation

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IOSR Journal of Electrical and Electronics Engineering (IOSRJEEE)

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... Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: Specifications over the –40°C to 85°C temperature range are assured by design, characterization and correlation with statistical process controls. Note 3: Interval from the rising edge of the ...
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Chirp spectrum



The spectrum of a chirp pulse describes its characteristics in terms of its frequency components. This frequency-domain representation is an alternative to the more familiar time-domain waveform, and the two versions are mathematically related by the Fourier transform. The spectrum is of particular interest when pulses are subject to signal processing. For example, when a chirp pulse is compressed by its matched filter, the resulting waveform contains not only a main narrow pulse but, also, a variety of unwanted artifacts many of which are directly attributable to features in the chirp's spectral characteristics. The simplest way to derive the spectrum of a chirp, now computers are widely available, is to sample the time-domain waveform at a frequency well above the Nyquist limit and call up an FFT algorithm to obtain the desired result. As this approach was not an option for the early designers, they resorted to analytic analysis, where possible, or to graphical or approximation methods, otherwise. These early methods still remain helpful, however, as they give additional insight into the behavior and properties of chirps.
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