View PDF - CiteSeerX
... ROBLEMS are characterized in which optimal descriptions can be considered as refinements of previous optimal descriptions. For example, we may optimally describe a message with a particular amount of distortion and later decide that the message needs to be specified more accurately. Then, when an ad ...
... ROBLEMS are characterized in which optimal descriptions can be considered as refinements of previous optimal descriptions. For example, we may optimally describe a message with a particular amount of distortion and later decide that the message needs to be specified more accurately. Then, when an ad ...
A Bio-inspired Ultra-Energy-Efficient Analog-to-Digital Converter for Biomedical Applications
... different patterns for bits of precision. Since neurons are extremely efficient at pattern recognition, a neuronally inspired A/D architecture has the potential to be very energy efficient; the 22 billion neurons of the brain consume near 14.6 W of power [6], with the average neuron consuming approx ...
... different patterns for bits of precision. Since neurons are extremely efficient at pattern recognition, a neuronally inspired A/D architecture has the potential to be very energy efficient; the 22 billion neurons of the brain consume near 14.6 W of power [6], with the average neuron consuming approx ...
AN-609 - Analog Devices
... Offset voltage errors can arise at many points within a signal processing chain, e.g., the temperature dependent thermocouple voltage that arises when two dissimilar metals are joined. Within an integrated circuit such as an ADC, there are numerous sources of internal offset errors, such as mismatch ...
... Offset voltage errors can arise at many points within a signal processing chain, e.g., the temperature dependent thermocouple voltage that arises when two dissimilar metals are joined. Within an integrated circuit such as an ADC, there are numerous sources of internal offset errors, such as mismatch ...
Digital pixel readout integrated circuit architectures for LWIR
... Infrared (IR) imaging systems ubiquitously cover a broad range of applications in both civil and military realm. Newer paradigms in biomedical, automotive, environmental monitoring, security and surveillance, space and astronomy applications are driven mainly by the enhanced aspects of the IR imagin ...
... Infrared (IR) imaging systems ubiquitously cover a broad range of applications in both civil and military realm. Newer paradigms in biomedical, automotive, environmental monitoring, security and surveillance, space and astronomy applications are driven mainly by the enhanced aspects of the IR imagin ...
Line Coding - KFUPM Faculty List
... In digital communication systems, the information is always assumed to be generated in the form of binary data with values of 0 or 1. The origin of the digital binary information to be transmitted over digital communication systems may be an analog signal such as an audio signal or an analog picture ...
... In digital communication systems, the information is always assumed to be generated in the form of binary data with values of 0 or 1. The origin of the digital binary information to be transmitted over digital communication systems may be an analog signal such as an audio signal or an analog picture ...
Data Converter Fundamentals
... • Multiplying DAC realized by allowing V ref to be another input signal • Ideal DAC has well-defined values (not same for A/D ) ...
... • Multiplying DAC realized by allowing V ref to be another input signal • Ideal DAC has well-defined values (not same for A/D ) ...
Analog to Digital Conversion - AHEPL
... required in the analog input of an ADC to change its output code by one level Converter Accuracy The difference between the actual input voltage and the full-scale weighted equivalent of the binary output code Maximum sum of all converter errors including quantization error ...
... required in the analog input of an ADC to change its output code by one level Converter Accuracy The difference between the actual input voltage and the full-scale weighted equivalent of the binary output code Maximum sum of all converter errors including quantization error ...
Document
... wheels will move forward one step. The function presents ON or OFF values (parameter inputs) for the number of the step indicated on the POSITION output (0 to 49) on the 8 outputs (OUTPUT 1 to OUTPUT 8). ...
... wheels will move forward one step. The function presents ON or OFF values (parameter inputs) for the number of the step indicated on the POSITION output (0 to 49) on the 8 outputs (OUTPUT 1 to OUTPUT 8). ...
/s Flash ADC frontend in SiGe A 4 bit 10 GS
... Fig. 3. Enhanced b bit quantizer which simultaneously buffers the input signal, performs the comparison with B = 2b −1 reference levels and distributes the result of the comparison to succeeding stages (e.g. latches). ...
... Fig. 3. Enhanced b bit quantizer which simultaneously buffers the input signal, performs the comparison with B = 2b −1 reference levels and distributes the result of the comparison to succeeding stages (e.g. latches). ...
Digital Transmission
... --With delta modulation, rather than transmit a coded representation of the sample, only a single bit is transmitted, which simply indicates whether that sample is larger or smaller than the previous sample. --The algorithm for a delta modulation system is quite simple. --If the current sample is sm ...
... --With delta modulation, rather than transmit a coded representation of the sample, only a single bit is transmitted, which simply indicates whether that sample is larger or smaller than the previous sample. --The algorithm for a delta modulation system is quite simple. --If the current sample is sm ...
NE570 Compandor
... At very low input signal levels the bias current of Q2, (typically 50 nA), will become significant as it must be supplied by Q5. Another low level error can be caused by DC coupling into the rectifier. If an offset voltage exists between the VIN input pin and the base of Q2, an error current of VOS/ ...
... At very low input signal levels the bias current of Q2, (typically 50 nA), will become significant as it must be supplied by Q5. Another low level error can be caused by DC coupling into the rectifier. If an offset voltage exists between the VIN input pin and the base of Q2, an error current of VOS/ ...
noise
... Idc = dc current in amps f = bandwidth of circuit/system in Hz There is no exact formula for shot noise in a transistor. Shot noise generally increases with an increase in bias current except in MOSFET's where it is relatively independent. ...
... Idc = dc current in amps f = bandwidth of circuit/system in Hz There is no exact formula for shot noise in a transistor. Shot noise generally increases with an increase in bias current except in MOSFET's where it is relatively independent. ...
A Fast, Cheap, High-Entropy Source for IoT Devices
... Requires a high voltage supply -Means we will need to add some type of step up converter 2) Diode drops can drift over time -Moves the mean of the distribution over time -Need some type of way to track this 3) Reference Voltage could be susceptible to noise injection -If reference moves, could start ...
... Requires a high voltage supply -Means we will need to add some type of step up converter 2) Diode drops can drift over time -Moves the mean of the distribution over time -Need some type of way to track this 3) Reference Voltage could be susceptible to noise injection -If reference moves, could start ...
An Introduction to Sigma Delta Converters
... required to obtain which noise. If a signal must be quantized, you may decide either the quantization noise or the conversion noise to be the bottle neck of the overall noise performance. In case that both shall have an equal effect, the overall SNR is reduced by 3 dB related to each of the noise po ...
... required to obtain which noise. If a signal must be quantized, you may decide either the quantization noise or the conversion noise to be the bottle neck of the overall noise performance. In case that both shall have an equal effect, the overall SNR is reduced by 3 dB related to each of the noise po ...
AD1380 数据手册DataSheet 下载
... maximum 16-bit conversion time of 14 μs. Transfer characteristics of the AD1380 (gain, offset and linearity) are specified for the combined ADC/sample-and-hold amplifier (SHA), so total performance is guaranteed as a system. The AD1380 provides data in parallel with corresponding clock and status ou ...
... maximum 16-bit conversion time of 14 μs. Transfer characteristics of the AD1380 (gain, offset and linearity) are specified for the combined ADC/sample-and-hold amplifier (SHA), so total performance is guaranteed as a system. The AD1380 provides data in parallel with corresponding clock and status ou ...
INL/DNL Measurements for High-Speed Analog
... Abstract: Although integral and differential nonlinearity may not be the most important parameters for high-speed, high dynamic performance data converters, they gain significance when it comes to highresolution imaging applications. The following application note serves as a refresher course for th ...
... Abstract: Although integral and differential nonlinearity may not be the most important parameters for high-speed, high dynamic performance data converters, they gain significance when it comes to highresolution imaging applications. The following application note serves as a refresher course for th ...
MAX1205 +5V Single-Supply, 1Msps, 14-Bit Self-Calibrating ADC General Description
... architecture with digital error correction and self-calibration to provide typically greater than 91dB spuriousfree dynamic range at a 1Msps sampling rate. Its signal-to-noise ratio, harmonic distortion, and intermodulation products are also consistent with 14-bit accuracy up to the Nyquist frequenc ...
... architecture with digital error correction and self-calibration to provide typically greater than 91dB spuriousfree dynamic range at a 1Msps sampling rate. Its signal-to-noise ratio, harmonic distortion, and intermodulation products are also consistent with 14-bit accuracy up to the Nyquist frequenc ...
DAC-ADC CW-1 - WordPress.com
... MSB is set to 1 and others remaining 0’s (1/2 the input voltage). DAC output is compared with unknown voltage. (1000) If unknown voltage is higher, the bit under comparison is retained 1 and the next bit is made 1. If unknown voltage is less, the bit under comparison is made 0 and the next bit is ma ...
... MSB is set to 1 and others remaining 0’s (1/2 the input voltage). DAC output is compared with unknown voltage. (1000) If unknown voltage is higher, the bit under comparison is retained 1 and the next bit is made 1. If unknown voltage is less, the bit under comparison is made 0 and the next bit is ma ...
“The CMOS Inverter” as a comparator in ADC designs
... simplifies the design process and reduces the power consumption. However after substituting a typical process parameter data set in Equation 1, one will see that the maximum resolution level that can be achieved is only 4bits. This is because only one lambda-unit channel width change between mid-poi ...
... simplifies the design process and reduces the power consumption. However after substituting a typical process parameter data set in Equation 1, one will see that the maximum resolution level that can be achieved is only 4bits. This is because only one lambda-unit channel width change between mid-poi ...
“The CMOS Inverter” as a comparator in ADC designs
... simplifies the design process and reduces the power consumption. However after substituting a typical process parameter data set in Equation 1, one will see that the maximum resolution level that can be achieved is only 4bits. This is because only one lambda-unit channel width change between mid-poi ...
... simplifies the design process and reduces the power consumption. However after substituting a typical process parameter data set in Equation 1, one will see that the maximum resolution level that can be achieved is only 4bits. This is because only one lambda-unit channel width change between mid-poi ...
settling time - Center for Detectors
... about settling time. The uncertainty in settling time is incremented by 1% for each curve, starting with zero uncertainty (dRC=0.000). ...
... about settling time. The uncertainty in settling time is incremented by 1% for each curve, starting with zero uncertainty (dRC=0.000). ...
Lecture 3 - Auburn University
... Show that for any given noise power level, as distortion increases SINAD will drop. For a noise-free signal show that SINAD (dB) = ∞ in the absence of distortion. ...
... Show that for any given noise power level, as distortion increases SINAD will drop. For a noise-free signal show that SINAD (dB) = ∞ in the absence of distortion. ...
Application Note 020 Converting a 1 Form A / 1 Form
... So, substituting these values into formula (1), a resistor value of 700Ω can be calculated. Of course, this value does not take into account any temperature fluctuations or tolerance variations. It is merely for demonstration purposes. To convert this relay to a 1 Form C relay, pins 2 & 3 should be ...
... So, substituting these values into formula (1), a resistor value of 700Ω can be calculated. Of course, this value does not take into account any temperature fluctuations or tolerance variations. It is merely for demonstration purposes. To convert this relay to a 1 Form C relay, pins 2 & 3 should be ...
Quantization (signal processing)
Quantization, in mathematics and digital signal processing, is the process of mapping a large set of input values to a (countable) smaller set. Rounding and truncation are typical examples of quantization processes. Quantization is involved to some degree in nearly all digital signal processing, as the process of representing a signal in digital form ordinarily involves rounding. Quantization also forms the core of essentially all lossy compression algorithms. The difference between an input value and its quantized value (such as round-off error) is referred to as quantization error. A device or algorithmic function that performs quantization is called a quantizer. An analog-to-digital converter is an example of a quantizer.