HOME Cart(0) Quotation About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189760 (18 Oct 2025)

JJF 1278-2011 English PDF

US$969.00 · In stock
Delivery: <= 7 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1278-2011: Calibration Specification for Bluetooth Test Set
Status: Valid

JJF 1278: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJF 1278-2011	English	969	Add to Cart	7 days [Need to translate]	Calibration Specification for Bluetooth Test Set	Valid	JJF 1278-2011
JJF 1278-1990	English	199	Add to Cart	2 days [Need to translate]	O.T.N. of Primary Standard for Milliwatt Level Ultrasonic Power	Obsolete	JJF 1278-1990

PDF similar to JJF 1278-2011

Standard similar to JJF 1278-2011

GB/T 3222.2 GB/T 3222.1 JJG 188 JJF 1277 JJF 1288 JJF 1276

Basic data

Standard ID	JJF 1278-2011 (JJF1278-2011)
Description (Translated English)	Calibration Specification for Bluetooth Test Set
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A59
Classification of International Standard	17.220
Word Count Estimation	42,432
Date of Issue	2011-04-12
Date of Implementation	2011-07-12
Quoted Standard	JJF 1174-2007; Bluetooth system specification Bluetooth specification version 2.0 Enhanced Data Rates for core system components [ Controller volume ] PART A radio range 4 November 2004; Bluetooth system specification Bluetooth specification version 1.1 PART A radio range, February 22, 2001 day
Regulation (derived from)	AQSIQ Announcement No. 58 of 2011
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine
Summary	This standard applies to Bluetooth tester calibration.

JJF 1278-2011: Calibration Specification for Bluetooth Test Set

---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 Bluetooth Test Set People's Republic of China National Metrology Technical Specifications Bluetooth tester calibration specification Issued on. 2011-04-12 2011-07-12 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Bluetooth tester calibration specification CalibrationSp This specification by the State Administration of Quality Supervision, Inspection and Quarantine approved on April 12, 2011, and from From July 12, 2011 into effect. Focal point. the National Radio Technical Commission metering Drafting. Shanghai Institute of Measurement and Testing Industry and Information Technology Ministry of Communications Measurement Center The specification of the National Radio Technical Commission responsible for the interpretation of measurement The main drafters of this specification. Zhan Zhiqiang (Shanghai Institute of Measurement and Testing) Lu Fumin (Shanghai Institute of Measurement and Testing) Ran Zhiqiang (Ministry of Industry and Information Technology Telecommunication Metrology Center) Drafters participate. Sun Wen (Shanghai Institute of Measurement and Testing)

1 Scope (1) 2. Referenced Documents (1) 3 Terms and Definitions (1) 4 Overview (1) 5 Metrological characteristics (2) Reference crystal oscillator 5.1 (2) 5.2 RF signal (2) 5.3 modulated digital signal (2) 5.4 digital demodulation analysis (3) 5.5 Power Measurement (3) 5.6 RF port voltage standing wave ratio (3) 6 calibration conditions (4) Environmental conditions 6.1 (4) 6.2 Calibration standards of measurement used, devices and equipment (4) 7 calibration items and calibration methods (5) 7.1, and appearance check work (5) 7.2 Reference crystal oscillator output frequency (5) 7.3 signal generator output frequency (5) 7.4 signal generator output level (6) 7.5 spectral purity of the signal generator (7) 7.6 SSB phase noise signal generator (7) 7.7 digital modulation signal generator quality parameters (8) 7.8 -20dB bandwidth of the digital modulation signal (9) 7.9 Power Measurement (9) 7.10 digital demodulation quality parameters (11) 7.11 Frequency Measurement (11) 7.12 RF port voltage standing wave ratio (12) 7.13 function tests (12) 8 calibration results expression (13) 9 Recalibration interval (13) Appendix A calibration record format (14) Appendix B Calibration major projects Uncertainty Evaluation Examples (23) Bluetooth tester calibration specification

1 Scope

This calibration specification applies to Bluetooth tester calibration.

2 Citations

JJF 1174-2007 digital signal generator calibration specification Bluetooth specification Bluetooth specification version 2.0 enhanced data rate, core system components [volume controller], PartA, RF specifications, November 4, 2004 (SpecificationoftheBluetoothSystem, BLUE- TOOTHSPECIFICATIONVersion2.0 EDR, CoreSystemPackage [Controlervol- ume], PartA, RADIOSPECIFICATION, 4November2004.BluetoothSIG.) Bluetooth specification Bluetooth specification version 1.1, PartA, RF specifications, February 22, 2001 (Speci- ficationoftheBluetoothSystem, BLUETOOTHSPECIFICATIONVersion1.1, Part A, RADIOSPECIFICATION, February222001.BluetoothSIG.) When using this specification it should be noted that using the currently valid version of the documents cited.

3 Terms and Definitions

3.1 FSK error FSKError FSK signal error is the difference between FSK and FSK reference measurement signals to frequency offset expressed as a percentage, is A scalar error. FSK is frequency shift keying, frequency shift keying by a sine wave carrier transmitted symbols. FSK measuring channel Number measurement signal FM signal demodulation, filtering, carrier and symbol lock after lock. 3.2 differential error vector magnitude DEVM differentialerrorvectormagnitude DEVM Bluetooth enhanced data rate modulation quality parameters (the EDR), representing the enhanced data rate Bluetooth Successive symbols of the transmitted signal after passing through the filter specific measurement, the symbol rate and the optimum sampling phase sampling, and fill Compensation carrier frequency deviation vector sequence and change over carrier phase obtained after the deviation is the difference between these vectors Error vector, normalized amplitude differential error vector is the differential error vector magnitude. 3.3 GFSK modulation gaussianfrequencyshiftkeying Digital communications, a modulation scheme, the Chinese name for the binary Gaussian frequency shift keying. 3.4 π/4-DQPSK modulation (π/4-DifferentialQuadraturePhaseShiftKeying) Digital communications, a modulation scheme, the Chinese name for π/4 differential quadrature phase shift keying; PSK phase shift Keyed by keying phase sine wave transmission symbols. 3.5 8DPSK modulation 8differentialphaseshiftkeying Digital communications, a modulation scheme, the Chinese name for 8 differential phase shift keying.

4 Overview

Bluetooth (bluetooth) is a short-range communications support equipment (10m within general) radio technology, Between the mobile phone, PDA, wireless headsets, laptop computers and other wireless devices to exchange information. Bluetooth Tester (bluetoothtestset) is a reference oscillator, a digital modulation signal generator, power analyzer, the number of

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1278-2011_English be delivered?

Answer: Upon your order, we will start to translate JJF 1278-2011_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 7 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 1278-2011_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1278-2011_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version JJF 1278-2011?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1278-2011 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.