A capacitive mismatch calibration method for SAR ADCs based
To address the capacitance array mismatch in SAR ADCs, this paper proposes a novel capacitor calibration scheme based on the Time-to-Digital Converter (TDC). This
Kazakhstan Institute of Standardization and Metrology
KazStandart is a republican state enterprise dealing with standardization, metrology and technical regulation. We follow the principles of improving the welfare and protection not only of
A 12 bit 120MS/s SHA-less pipeline ADC with capacitor
In order to improve the accuracy of capacitor calibration, the backend ADC is with 9bit resolution. The raw output data of the core stages will be sent to the delay alignment array and output
Blind SAR ADC capacitor mismatch calibration
This paper presents an all-digital background blind calibration technique for the capacitor mismatch problem in SAR ADCs. It utilizes the redundancy offered using a sub-radix-2 DAC
Capacitor mismatch calibration method for SAR ADC with
Fig. 3 Proposed capacitor mismatches calibration before calibration after calibration ENOB, bits 4 bit improvement mismatch error, % 10–2 14 13 12 11 10 9 10–3 Fig. 4 Monte Carlo simulation
Capacitance Standards and their Calibration
2. Capacitance Calibration The precision measurement of capacitors for the purpose of calibration is generally based on a national primary standard of high accuracy, secondary/working
Executing Low-Loss Capacitor Calibration
Use the following procedure to perform Low-Loss Capacitor calibration using the 7-mm calibration kit using Wizard. Low-Loss Capacitor calibration is executed only when there are
Recognition
The involvement of the Republic of Kazakhstan in international comparisons and international accreditation further reinforces confidence in the quality of measurements in Kazakhstan. As a
Test Center of Ust-Kamenogorsk Condenser Plant
Low-voltage power factor correction capacitors; High-Voltage Power Factor Correction Capacitors
NIST Technical Note 1486
Accurate calibration of capacitors that range in value from 0.01 μF to 100 μF over the frequency range from 100 Hz to 100 kHz is desired. There are several instruments available commercially
A 12-bit Fully Differential SARADC with a Novel Capacitor
This paper presents a fully differential 12-bit SAR ADC with a novel capacitor mismatch calibration. The calibration calculates the capacitor mismatch via the metastability of the
Split Capacitor DAC Mismatch Calibration in Successive
Split capacitor digital-to-analog converter (CDAC) technique implements two sets of binary-weighted capacitor arrays connected by a bridge capacitor so as to reduce both input load
Capacitor Calibration | PDF
CapacitorCalibration - Free download as PDF File (.pdf), Text File (.txt) or read online for free. This document gives general explanations about key aspects of Capacitance Standards,
A Simple Histogram-Based Capacitor Mismatch Calibration in
This brief presents a simple capacitor mismatch calibration in SAR ADCs, which is in foreground and on chip. Capacitor errors are extracted based on output histogram under a
Capacitive recombination calibration method to improve the
This paper proposes a new capacitor recombination calibration method to compensate the capacitor mismatch of successive approximation register analog-to-digital converter (SAR
Capacitor Calibration by Step-Up Methods
The application of step-up techniques to the calibration of variable air capacitors is described in this paper as a practical example of the method. Summary--Step-calibration methods are used
A capacitor self-calibration technique for high resolution ADCs
In this paper, a novel capacitor self-calibration technique is presented, which can be used in high resolution ADCs, such as SAR ADC and pipeline ADC. The capacitors achieve self-calibration
Calibration capacitor
Calibration capacitor Model 2947C ENDEVCO Tel: +1 (866) ENDEVCO [+1 (866) 363-3826] Since the capacitor is exactly 1000 pF, the transfer function simplifies to Q
Capacitor Mismatch Calibration Technique to Improve the SFDR
14-bit capacitor-resistor combined ADC. In the simulation, only the capacitor mismatch is considered. The capacitor mismatch for every capacitor is randomly generated and the values
Digital foreground calibration of capacitor mismatch for SAR ADCs
Fig. 4 SAR ADC output spectrums before and after calibration Conclusion: A foreground digital self-calibration technique has been described. The calibration technique improves capacitor
Methods of capacitance calibration and test equipment
In this article, we will explore capacitance calibration, the various methods used and highlight the importance of a UKAS accredited service. What exactly is capacitance calibration?
1000pF – One Capacitor
Type: Standard air capacitor (used for calibration and precision measurements) Frequency Range: DC to 1 MHz; Temperature Coefficient: Approximately 0.1 ppm/°C; Voltage Coefficient:
Dithering-based calibration of capacitor mismatch in SAR ADCs
2 =0, the normal conversion continues and no calibration operation happens. Proposed dithering-based calibration: As illustrated in Fig. 1, the proposed calibration does not require additional
A Simple Histogram-based Capacitor Mismatch Calibration in
capacitors in analog domain [5] only needs the sign of capacitor errors, thus computation can be avoided. In this paper, a simple capacitor mismatch calibration in SAR ADCs is proposed,
General Radio 1413 Decade Capacitor Calibration
The General Radio 1413 Decade Capacitor is an essential tool for precise capacitance measurements and calibration tasks in laboratory and industrial environments. This instrument
Checking laboratory / Services / Services
The laboratory has the capability to verify the flow meter and amount of liquids as an object of the Customer, and we have in the Lab using simulators to test meters flow meters with stationary
Digital foreground calibration of capacitor mismatch for SAR ADCs
A foreground digital self-calibration technique has been described. The calibration technique improves capacitor matching without using additional circuits and extensive
Calibration of Voltage Transformers and High
Keywords: calibration, capacitors, dissipation factor, electric power, electrical standards, NIST services, voltage transformers. 1. Introduction. This paper describes the National Institute of
Verification laboratory | UKKZ LLP
The verification laboratory is accredited in the Accreditation System of the Republic of Kazakhstan for compliance with the requirements of GOST ISO / IEC 17025-2009 "General requirements
Capacitor mismatch calibration method for SAR ADC with
A novel capacitor mismatch calibration method is presented to compensate the capacitor mismatches in a successive approximation register (SAR) ADC. The method features
Capacitor calibration by step-up methods.
a val''iable capacitor by step-up methods. If the variable air capacitor, X, having a range from 100 to 1,100 pf, is to be calibrated at every 100-pf division mark, it is necessary to have a fixed air
Split Capacitor DAC Mismatch Calibration in Successive Approximation ADC
same weight as the lowest bit of the H-side array and the calibration is finished. To cover a wide enough calibration range, the bridge capacitor CB is designed to be 1.4C for the 4b+4b split
Calibration of voltage transformers and high-voltage capacitors
between the calibration of voltage transformers and capacitors at NIST. The voltage transformer calibration is of the direct null type, and the capac- itor calibration is of the comparative null
Calibration of measuring instruments
In 2001, Committee for Standardization, Metrology and Certification of the Ministry of Industry and Trade of the Republic of Kazakhstan / Gosstandard / has issued general licences for the repair
Calibration capacitors | Kistler
These high precision calibration capacitors come with excellent insulation. In combination with a precise voltage source, charge signals may be generated as needed. The family Type 5371A is
6 FAQs about [Kazakhstan capacitor calibration]
How to calibrate a val'iable capacitor by step-up methods?
a val'iable capacitor by step-up methods. If the variable air capacitor, X, having a range from 100 to 1,100 pf, is to be calibrated at every 100-pf division mark, it is necessary to have a fixed air capacitor, S, of approximately 100 pf that can be connected in parallel with the variable capacitor under test in a precisely repeatable manner.
How to calibrate a capacitor with a LCR meter?
In our case, the capacitor is connected to the LCR meter via a 0.61 m cable. The calibration interpolation factor, Kc = 0, because all of the measurements are taken at direct calibration frequencies. The cable length factor, Kd = 0.00025(1 + 50fm), for the calibration interpolation factor is given for a cable length of 1 m.
Can a step-calibration method be used to calibrate a variable capacitor?
6. Conclusion Step-calibration methods can be employed for the calibration of variable capacitors. The few neces sary items of equipment are generally available in any electrical measurements laboratory.
What is NIST capacitance & dissipation factor measurement system?
This measurement system will allow NIST to provide customers with measurement services for four-terminal-pair capacitance and dissipation factor. The capacitance range covered is from 10 nF to 100 μF. The frequencies measured are 100 Hz, 1 kHz, 10 kHz, and 100 kHz.
How do you calibrate a 1 nF capacitor?
There are several measuring methods that are available for calibrating 1 nF capacitors. They include calibration using a vector network analyzer in combination with a capacitance bridge. This method covers a very wide frequency range (up to 10 MHz) and is complex to perform.
Can a step-up method be used to calibrate a decade capacitor?
capacitance difference. An excellent description of a step-up method applied to tbe calibraLion of decade capacitors for both capacitance and dissipation factor has been described by Ford and AstbUl'Y of the British National Physical Laboratory .