• BS EN 61079-2:1995

    Current The latest, up-to-date edition.

    Methods of measurement on receivers for satellite broadcast transmissions in the 12 GHz band Electrical measurements on DBS tuner units

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  15-08-1995

    Publisher:  British Standards Institution

    Add To Cart

    Table of Contents - (Show below) - (Hide below)

    Committees responsible
    National foreword
    Foreword
    Section 1: General
    1.1 Scope
    1.2 Normative references
    1.3 Definitions
    1.3.1 DBS tuner unit
    1.3.2 First intermediate frequency (first i.f.)
    Section 2: General notes on measurement
    2.1 General conditions
    2.1.1 Introduction
    2.1.2 Test site
    2.1.3 Environmental conditions
    2.1.4 Power supply
    2.1.5 Accuracy of measuring instruments
    2.1.6 Stabilization period
    2.2 Video, audio and digital test signals
    2.2.1 Video test signals
    2.2.2 Audio test signals
    2.2.3 Data signal content
    2.3 Radio-frequency input signals
    2.3.1 Input signals
    2.3.2 Input signal levels
    2.3.3 Setting of input signal level
    2.4 Reference signals
    2.4.1 Reference video signal
    2.4.2 Reference audio signal
    2.5 Standard measuring conditions
    2.6 Measuring instruments
    2.6.1 Test signal generator
    2.6.2 First i.f. modulator
    2.6.3 C.W. signal generator
    2.6.4 SWR bridge
    2.6.5 Spectrum analyzer
    2.6.6 Directional coupler
    2.6.7 Input coupling network
    2.6.8 Bias network
    2.6.9 Bandpass filter
    2.6.10 Lowpass filter
    2.6.11 Variable bandpass filter
    2.6.12 Video noise meter
    2.6.13 Group delay measuring instrument
    2.6.14 Video monitor
    Section 3: Methods of measurement
    3.1 Impedance matching at input terminal
    3.1.1 Introduction
    3.1.2 Method of measurement
    3.1.3 Presentation of the results
    3.2 Signal-to-noise ratio of video signal (unweighted)
    3.2.1 Introduction
    3.2.2 Method of measurement
    3.2.3 Presentation of results
    3.3 Truncation noise
    3.3.1 Introduction
    3.3.2 Method of measurement
    3.3.3 Presentation of results
    3.4 Input signal level to output signal level
           characteristics
    3.4.1 Introduction
    3.4.2 Method of measurement
    3.4.3 Presentation of the results
    3.5 Co-channel c.w. interference ratio
    3.5.1 Introduction
    3.5.2 Method of measurement
    3.5.3 Presentation of results
    3.6 Adjacent channel interference ratio
    3.6.1 Introduction
    3.6.2 Method of measurement
    3.6.3 Presentation of results
    3.7 Intermodulation interference ratio
    3.7.1 Introduction
    3.7.2 Method of measurement
    3.7.3 Presentation of results
    3.8 Image frequency interference ratio - second i.f.
    3.8.1 Introduction
    3.8.2 Method of measurement
    3.8.3 Presentation of results
    3.9 Impairment due to spurious responses
    3.9.1 Introduction
    3.9.2 Method of measurement
    3.9.3 Presentation of results
    3.10 Stability of local oscillator frequency
    3.10.1 Introduction
    3.10.2 Method of measurement
    3.10.3 Presentation of results
    3.11 AFC characteristics of local oscillator
    3.11.1 Introduction
    3.11.2 Measurement
    3.11.3 Presentation of the results
    3.12 Amplitude/frequency response of video channel
    3.12.1 Introduction
    3.12.2 Method of measurement
    3.12.3 Presentation of the results
    3.13 Group delay characteristics of video channel
    3.13.1 Introduction
    3.13.2 Method of measurement
    3.13.3 Presentation of results
    3.14 Linear waveform response of video channel
    3.14.1 Introduction
    3.14.2 Method of measurement
    3.14.3 Presentation of results
    3.15 Line time amplitude linearity of video signal
    3.15.1 Introduction
    3.15.2 Method of measurement
    3.15.3 Presentation of results
    3.16 Differential gain and differential phase
           characteristics with respect to the chrominance
           sub-carrier
    3.16.1 Introduction
    3.16.2 Method of measurement
    3.16.3 Presentation of results
    3.17 Intermodulation between sound sub-carrier and
           chrominance sub-carrier
    3.17.1 Introduction
    3.17.2 Method of measurement
    3.17.3 Presentation of results
    3.18 Suppression of energy dispersal signal
    3.18.1 Introduction
    3.18.2 Method of measurement
    3.18.3 Presentation of results
    3.19 Power supply for outdoor unit
    3.19.1 Introduction
    3.19.2 Method of measurement
    3.19.3 Presentation of results
    Figures
    Annex A (normative) Bibliography
    Annex ZA (normative) Other international publications
    quoted in this standard with the references of the
    relevant European publications

    Abstract - (Show below) - (Hide below)

    Defines the conditions and methods of for the tuner for the direct of satellite broadcast transmissions in the 12 GHz band. Does not specify performance requirements.

    General Product Information - (Show below) - (Hide below)

    Committee W/-
    Development Note Also numbered as IEC 61079-2. (12/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS EN 61079-1:1995 Methods of measurement on receivers for satellite broadcast transmissions in the 12 GHz band Radio-frequency measurements on outdoor units

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60107-1:1997 Methods of measurement on receivers for television broadcast transmissions - Part 1: General considerations - Measurements at radio and video frequencies
    BS 3549-1:1979 Methods of measuring and expressing the performance of television receivers General considerations and electrical measurements other than those at audio-frequencies
    IEC 60569:1977 Informative guide for subjective tests on television receivers
    IEC 61079-1:1992 Methods of measurement on receivers for satellite broadcasttransmissions in the 12 GHz band - Part 1: Radio-frequencymeasurements on outdoor units
    BS EN 61079-1:1995 Methods of measurement on receivers for satellite broadcast transmissions in the 12 GHz band Radio-frequency measurements on outdoor units
    BS 5879:1980 Method for measurement of dimensional change of paper after immersion in water
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective