RECOMMENDATION ITU-R SM.1541-1 - Unwanted emissions in the out-of-band domain 1 Terminology and definitions 1.1 Spurious domain1 1.2 OoB domain1 1.3 dBsd and dBasd 1.4 dBc 1.5 dBpp 1.6 Reference bandwidth 1.7 Measurement bandwidth 1.8 psd 1.9 Mean power 1.10 Adjacent channel mean power 1.11 Peak power 1.12 Adjacent channel peak power 1.13 Total assigned band 1.14 Total assigned bandwidth 2 Application of definitions 2.1 OoB domain emissions 2.2 Spurious domain emissions 2.3 Necessary bandwidth and OoB domain 2.4 Considerations on dBsd, dBc, and dBpp 3 Methods to determine conformance to OoB domain emission limits 4 OoB domain emission limits for transmitters in the range of 9 kHz to 300 GHz2 5 Adaptation of OoB masks provided in Annexes 5 to 12 in the cases of narrow-band and wideband systems 6 Measurement methods ANNEX 1 - Methods to determine conformance to OoB domain emission limits 1 Adjacent channel and alternate adjacent channel power method 1.1 Parameters to be measured 1.2 Units of measurement 1.3 Measurement bands 1.4 Adjacent band power ratio (ABPR) 2 OoB mask method 2.1 Parameters to be measured 2.2 Measurement range 2.3 OoB mask APPENDIX 1 TO ANNEX 1 - Example calculation of a permissible OoB power ratio and power limits from a permissible ... 1 Introduction 2 Discrete method 3 Continuous method ANNEX 2 - Calculation of the start and end of the OoB domain for multicarrier systems with single and multiple ... 1 Example 1: Multiple transponders per satellite serving the same service area 2 Example 2: Single transponder per satellite ANNEX 3 - Graph labelling for dBc and dBsd masks 1 Y-axis labelling of OoB masks 2 X-axis labelling of OoB masks ANNEX 4 - List of ITU-R texts concerning OoB domain emissions related to specific services ANNEX 5 - OoB domain emission limits for space services (earth and space stations) 1 Introduction 2 OoB masks for fixed-satellite service (FSS) earth and space stations 2.1 Generic OoB mask 2.2 Example application of the mask 3 OoB masks for mobile-satellite service (MSS) earth and space stations 4 OoB masks for broadcasting-satellite service (BSS) space stations 5 OoB mask for the space research service (SRS), space operations service (SOS), and Earth exploration-satellite ... 5.1 Introduction 5.2 OoB masks for SRS, SOS and EESS systems operating in the space-to-Earth and Earth-to-space directions 5.2.1 Emission mask parameters 5.2.2 Emission mask applicability 5.2.3 Basis for the emission masks ANNEX 6 - OoB domain emission limits for television broadcasting systems 1 Digital TV - 6 MHz channelling to Recommendation ITU-R BT.1306 1.2 Other 6 MHz digital television systems 2 Spectrum masks for 7 and 8 MHz channelling analogue and digital television systems 2.1 Analogue television systems 2.2 Digital television systems ANNEX 7 - OoB domain emission limits for sound broadcasting systems 1 VHF FM sound broadcasting 2 Sound broadcasting below 30 MHz 3 Digital sound broadcasting ANNEX 8 - OoB domain emission limits for primary radar systems 1 Introduction 2 Necessary bandwidth 2.1 Un-modulated radar pulses 2.2 Other modulations 2.3 Typical values of necessary bandwidth 3 OoB domain emission limits for primary radars 3.1 Formulas for the 40 dB bandwidth 4 OoB mask 4.1 Examples of emission masks in terms of necessary bandwidth 4.2 Non-FM pulsed radar 4.3 Linear FM pulsed radar 4.4 Frequency hopping radar 5 Boundary between the OoB and spurious domains 6 Design objective 7 Measurement techniques ANNEX 9 - OoB domain emission limits for the amateur services ANNEX 10 - OoB domain emission limits land mobile radio services ANNEX 11 - OoB domain emission limits for aeronautical-mobile and maritime-mobile services 1 Aeronautical telemetry 2 Other aeronautical-mobile and maritime-mobile transmitters ANNEX 12 - OoB domain emission limits for the fixed service 1 Digital fixed service: spectrum emission masks 1.1 Systems operating above 30 MHz 1.2 Systems operating below 30 MHz 2 Digital fixed service: discrete spectral lines within OoB emission boundaries 2.1 Systems operating above 30 MHz 2.2 Systems operating below 30 MHz 3 Analogue fixed service ANNEX 13 - OoB domain emission measurements 1 Measuring equipment 1.1 Selective measuring receiver 1.2 Coupling device 1.3 Terminal load 1.4 Measuring antenna 1.5 Conditions of modulation 2 Measurement limitations 2.1 Measurement time limitations 2.2 Time division multiple access signals 3 Methods of measurement 3.1 Introduction 3.2 Method 1 - Measurement of the in-band and OoB emission power supplied to the antenna port 3.3 Method 2 - Measurement of the in-band and OoB e.i.r.p. ANNEX 14 - Application of Recommendations ITU-R SM.1540 and ITU-R SM.1541