Overview
IEC 60107-1:1997 specifies the standard conditions and measurement methods for television receivers used in terrestrial television broadcast systems based on ITU-R standards. Published by the International Electrotechnical Commission (IEC), this standard ensures consistent measurement practices across devices, whether used for direct off-air reception, cable network reception, or as video monitors for prerecorded content, home movies, and games.
The main purpose of IEC 60107-1 is to establish uniform methods for determining and comparing the performance characteristics of TV receivers at radio frequency (RF) and video frequency (VF). The standard itself does not specify performance requirements but lays out precise criteria and procedures for performance assessment, making it essential for manufacturers, testing laboratories, and certification bodies involved in television technology and quality assurance.
Key Topics
-
Scope of Application
- Applicable to all television receivers that comply with ITU-R terrestrial broadcast standards
- Covers both direct broadcast and cabled TV receivers, as well as devices used as display monitors
-
General Measurement Conditions
- Specifies standard operating and environmental conditions for conducting measurements
- Outlines methods for controlling factors like signal levels, room setup, temperature, and power supply
-
Standardized Test Signals
- Defines the types of video, audio, and teletext test signals required for objective performance testing
- Ensures consistency and repeatability in measurement results
-
Measurement Equipment and Setup
- Describes necessary instruments, such as signal generators (RF and baseband), oscilloscopes, spectrum analyzers, and colorimeters
-
Receiver Characteristics
- Provides guidance for measuring key parameters such as tuning stability, sensitivity, selectivity, input/output levels, and automatic gain control (AGC)
- Includes evaluations for both luminance and chrominance channels in adherence to international color systems (NTSC, PAL, SECAM)
-
Displayed Picture Quality
- Addresses geometric distortion, luminance, contrast, color purity, resolution, and synchronization quality for CRT, projection, and LCD displays
Applications
IEC 60107-1:1997 is widely used across the television industry, including:
-
Product Development and Manufacturing
- Ensures new receiver designs meet standardized testing criteria for reliable market comparison
-
Testing and Certification
- Provides a reference basis for official compliance and conformity assessment in laboratories
-
Quality Control
- Enables consistent internal quality checks during production, reducing variability and improving product reliability
-
Technical Comparisons
- Facilitates fair comparison between different television receivers by standardizing performance assessments
-
Interoperability and Compatibility
- Supports integration into multi-system broadcast and display environments by verifying adherence to recognized international standards
By adopting IEC 60107-1, organizations benefit from reduced measurement ambiguities and increased confidence in their evaluation of television receiver performance.
Related Standards
- IEC 60107 series: Other parts dealing with sound, additional color system details, and specific performance parameters
- ITU-R Recommendations: Reference standards for terrestrial broadcast systems
- IEC 27, IEC 417, IEC 617, IEC 878: Standards for graphic and letter symbols used in electrical and electronic diagrams
- IEC 50 (IEV): International Electrotechnical Vocabulary for standardizing technical terminology
Conclusion
IEC 60107-1:1997 is a foundational standard for organizations involved in the development, testing, and certification of television receivers. By defining consistent measurement practices for RF and video frequencies, it streamlines quality assessments and enhances international compatibility in the rapidly evolving TV industry. For businesses seeking to ensure conformity and competitiveness, referencing and applying IEC 60107-1 is a critical step in their quality assurance strategy.
Open preview (PDF)Methods of measurement on receivers for television broadcast transmissions - Part 1: General considerations - Measurements at radio and video frequencies
