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JJF 1235-2010 English PDF

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JJF 1235-2010: Calibration Specification for Television Video Signal Generator
Status: Valid

JJF 1235: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJF 1235-2010English929 Add to Cart 6 days [Need to translate] Calibration Specification for Television Video Signal Generator Valid JJF 1235-2010
JJF 1235-1990English199 Add to Cart 2 days [Need to translate] O.T.N.of the Primary Standard for the 11000000N Force Standard Machine Obsolete JJF 1235-1990

PDF similar to JJF 1235-2010


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Basic data

Standard ID JJF 1235-2010 (JJF1235-2010)
Description (Translated English) Calibration Specification for Television Video Signal Generator
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A56
Classification of International Standard 17.220
Word Count Estimation 40,427
Date of Issue 2010-01-05
Date of Implementation 2010-04-05
Quoted Standard GB 3659-1983; GB 3174-1995; GB/T 17308-1998; GB/T 17309.1-1998
Regulation (derived from) AQSIQ Announcement No. 3 of 2010
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to analog TV norm as PAL, NTSC, SECAM TV video signal generator calibration

JJF 1235-2010: Calibration Specification for Television Video Signal Generator

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Calibration Specification for Television Video Signal Generator People's Republic of China National Metrology Technical Specifications TV video signal generator calibration specification Issued on. 2010-01-05 2010-04-05 implementation The State Administration of Quality Supervision, Inspection and Quarantine released TV video signal generator Calibration Specification VideoSig nalGenerator This specification by the State Administration of Quality Supervision, Inspection and Quarantine approved on January 5, 2010, and from From April 5, 2010 implemented. Focal point. the National Radio Technical Commission metering Main drafting unit. Ministry of Information Industry metering station 601 Participated in the drafting unit. Ministry of Information Industry metering station 203 The specification of the National Radio Technical Commission responsible for the interpretation of measurement The main drafters of this specification. Yangqiao new (Ministry of Information Industry metering station 601) Wang Yong (Ministry of Information Industry metering station 601) Drafters participate. Han Dong (Ministry of Information Industry metering station 203) Lisheng Hai (Ministry of Information Industry metering station 601)

table of Contents

1 Scope (1) 2. Referenced Documents (1) 3 Overview (1) 4 Performance Measurement (1) 4.1 video signal (1) 4.2 synchronizing signal (10) 4.3 drive signal (10) 5 calibration conditions (11) 5.1 environmental conditions (11) 5.2 calibration equipment (11) 6 calibration items and calibration methods (12) 6.1 appearance and working properly check (12) 6.2 Calibration (12) the video signal 6.3 Calibration composite synchronizing signal and the composite blanking signal (18) 6.4 Calibration drive signal (19) 7 Calibration Results The expression (20) 8 Recalibration interval (20) Appendix A calibration record format (21) Appendix B Measurement Uncertainty instance (31) TV video signal generator calibration specification

1 Scope

This instruction applies to analog TV format is PAL, NTSC, SECAM TV video signal generator calibration.

2 Citations

GB 3659-1983 TV video channel test method GB 3174-1995 PAL-D television broadcasting system specifications GB/T 17308-1998 television insertion test signals simplified automatic measurement of defined parameters GB/T 17309.1-1998 television broadcast receivers measuring method (Part 1) When using this specification it should be noted that using the currently valid version of the documents cited.

3 Overview

TV video signal generator is usually a TV test signal generator and a television video signal generator. TV test TV video signal generator for generating test signals, including stepped-wave signal subcarrier wave superposition ladder, three color Level, sine-squared pulse and bar, multi-wave group signal, square wave, SinX/X, etc., used to measure nonlinear distortion television transmission True linear distortion and noise; television image signal generator used to produce a variety of television video signals, including color bars Signal decoding test signal, white field, Red Square, the blue field, green field signal, the signal point grid, checkerboard, round, three black and two white, Black, gray, black and white composite (color) card test pattern signals for debugging, testing and maintenance of a television receiver. Sine wave signal generator part TV test signal generator usually occurs by the synchronizing signal, the pulse signal generating portion, Composition generating portion and the composite video portion; television image signal generator using digital method, the image signal information in several Code form is stored in the memory, the address by the control code to remove the digital signal, the D/A converter into an analog image signal. 4 Performance Measurement (typ) 4.1 video signal 4.1.1 color bar signal (1) PAL system (A) 100/0/75/0 color bar Bai Huangqing green purple blue black burst sync Brightness level/mV 700.0 465.2 368.0 308.2 216.8 157.0 59.9 0.0 300.0 - Chroma Level/mV - 470.5 663.8 620.1 620.1 663.8 470.5 - - 300.0 Phase / (°) n OK - 167.1 60.7 283.5 240.7 103.5 347.1 - - 135.0 n 1 line - 192.9 76.5 119.3 299.3 256.5 12.9 - - 225.0

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