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Supply Noise Effect on Oscillator Phase Noise
Supply Noise Effect on Oscillator Phase Noise

... Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant ...
A Review of Digital Techniques for Modeling Vacuum
A Review of Digital Techniques for Modeling Vacuum

... five-terminal devices (tetrodes and pentodes, respectively) are used mainly for power amplification purposes to drive a loudspeaker, for example. The operation of vacuum tubes is analogous to water flow on a slope. First, the electrode termed the cathode is heated, and the process known as thermioni ...
Exp_8_FFT_Spring13b
Exp_8_FFT_Spring13b

... connected to the rest of the device through a reverse biased pn junction, while in metal-oxidesemiconductor FETs (MOSFETs) the gate is connected via a thin insulating oxide layer. JFETs have much lower noise than MOSFETs but are more difficult to manufacture in integrated circuits. Bipolar transisto ...
Chapter 4. Color image analysis by Three dimensional Fourier transform and correlation
Chapter 4. Color image analysis by Three dimensional Fourier transform and correlation

... of the visible range of the electromagnetic spectrum, like the iodopsin pigments responses are. One refers to the responses of each one of these three detectors as the red (R), green (G) and blue (B) channels of the color image respectively. We establish the convention that the red channel is the n= ...
pdf file - Applied Radio Labs
pdf file - Applied Radio Labs

... caused by interference in its current environment, due primarily to power supply noise but may include other interference from the nearby PLL components. Sources 2 and 3 contribute to the output phase noise by modulating the VCO control line. ...
Further Development of a High Gain Microphone
Further Development of a High Gain Microphone

Final Lab Report: Microprocessor Interfacing
Final Lab Report: Microprocessor Interfacing

AN2834 Application note How to get the best ADC accuracy in STM32F10xxx devices
AN2834 Application note How to get the best ADC accuracy in STM32F10xxx devices

. . . Level Matching for Autosound . . . ?or Why is my system so noisy?
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... poor working signal-to-noise ratio. Let’s put some numbers on this: a hypothetical unit, with a 70dB noise floor, and a +10 dB clipping level. Right off, you can see that there is a maximum dynamic range of 80 dB (+10 - -70). Now, let’s explore a few different operating levels. First, we’ll used -20 ...
New Method to Improve The Gain Ripple in Single and Double
New Method to Improve The Gain Ripple in Single and Double

... because it provides efficient, low-noise amplification of light in the optical fiber low-loss telecommunications window near 1550 nm [6, 7]. An EDFA has several advantages as follows: ...
Nyquist Rate Analog-to-Digital Converters
Nyquist Rate Analog-to-Digital Converters

content based image retrieval
content based image retrieval

... One of the most important features that make possible the recognition of images by humans is colour. Colour is a property that depends on the reflection of light to the eye and the processing of that information in the brain. We use colour everyday to tell the difference between objects, places, and ...
IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)
IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)

... Fig.1 Domino logic gate. (a) Circuit schematic. (b) Two-input domino AND gate. A typical n-type domino CMOS logic gate, as shown in Fig.1(a). Which consists of clock controlled transistors M1 and M2, a pull-down n-type transistor network (PDN), and an output driver. The operation of a domino CMOS lo ...
Robert J. Simcoe (2008), Commercial Scanners and Science
Robert J. Simcoe (2008), Commercial Scanners and Science

Basics of Web Design: Chapter 7
Basics of Web Design: Chapter 7

... border: solid; } ...
Recent developments on large-area CCDs for professional
Recent developments on large-area CCDs for professional

... summarized in Table 1 and compared to the ‘standard’ pixel without surface pinning option. The amplifier noise was decreased by optimizing the design and technology. The results are shown in Table 2. Additionally, we propose an amplifier with switchable conversion gain, Fig. 4. By adding an addition ...
Practical Approach in Designing Conducted EMI Filter to Mitigate
Practical Approach in Designing Conducted EMI Filter to Mitigate

... Journal of Engineering and Development, Vol. 16, No.1, March 2012 ISSN 1813- 7822 the load to ground. The 50 impedance to ground is actually the input impedance of the spectrum analyzer or EMI meter used to measure the noise, in other words, the LISN is buffer network which permits connecting the ...
Application Note 1091
Application Note 1091

... The Direct Broadcast Satellite (DBS) service is growing at an enormous rate. Although it has just recently been introduced to the general market in the United States, it has been in place in Europe and the Far East where cable TV has a lesser hold on the TV viewing market. For the reception of prese ...
Common Mode Noise Reduction for an LLC Resonant
Common Mode Noise Reduction for an LLC Resonant

TWEPP_11_IPHC
TWEPP_11_IPHC

Bel Canto eOne DAC 1.5
Bel Canto eOne DAC 1.5

DC1783A - Linear Technology
DC1783A - Linear Technology

... Alternatively, if your application circuit produces a differential signal which can drive the ADC but you need to level shift the input signal, the circuit shown in Figure 3 can be used. The circuit in Figure 3 AC-couples the input signal and is usable down to about 10kHz. The lower frequency limit ...
Design of High-Performance Balanced Audio
Design of High-Performance Balanced Audio

... extrem ely dangerous. Safety must supercede all other considerations! Although UL-approved equipm ent supplied with a 2-prong power cord is safe, its norm al leakage current can also create troublesom e ground voltage differences. This topic, as well as unbalanced interfaces, is also beyond the scop ...
Large-Area Photoreceivers
Large-Area Photoreceivers

... photocurrent noise is independent of wavelength because it gives the photoreceiver’s noise with the photodetector’s responsivity factored out. To characterize the noise of the large-area photoreceiver, the output electrical noise spectrum is measured with a spectrum analyzer. This voltage noise spec ...
Signal-to-Noise Performance of Two Analog Photonic Links Using
Signal-to-Noise Performance of Two Analog Photonic Links Using

... N8975A Noise Figure Analyzer. At 6 GHz the measured gain was > 24.2 dB, which rolled off to a gain of just over 17.0 dB at 12 GHz due to the frequency responses of the modulator and balanced photodetectors. Because the balanced photodetector circuit situates two of the devices in parallel with one a ...
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Dither



Dither is an intentionally applied form of noise used to randomize quantization error, preventing large-scale patterns such as color banding in images. Dither is routinely used in processing of both digital audio and video data, and is often one of the last stages of ""mastering"" audio to a CD.A typical use of dither is converting a greyscale image to black and white, such that the density of black dots in the new image approximates the average grey level in the original.
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