RECOMMENDED METHODS OF MEASUREMENT ON RECEIVERS FOR TELEVISION BROADCAST TRANSMISSIONS - ELECTRICAL MEASUREMENTS ON MULTICHANNEL SOUND TELEVISION RECEIVERS USING THE NICAM TWO CHANNEL DIGITAL SOUND SYSTEM
International Electrotechnical Committee
Foreword
1 Introduction
2 General explanation of terms
3 General notes on measurements
4 Methods of measurements
Annex ZA
Figures
1 - RF test generator including digital signal
2 - Receiver
3 - Arrangement for bit error rate measurements
4 - Arrangements for bit error rate measurements
with adjacent channel
5 - Arrangement for signal-to-noise measurements
6 - Arrangement for dynamic range, audio
frequency characteristic, harmonic distortion
and crosstalk measurements
7 - Arrangement for the measurement of the phase
difference between left and right channels
8 - Filter characteristic for adjacent TV channel
(system B)
9 - Test signal amplitude at audio input
The methods of measurement described apply to television receivers designed for the reception of television broadcasts using the two channel digital sound system. The sound coding system is based on NICAM 728 and is transmitted by a quadrature phase shift keying (QPSK) modulated digital subcarrier.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | SC 12A |
