TABLE 9 End point values for 7 MHz analogue television, negative modulation, 0.75 MHz VSB End point value(1) Corresponding spurious (50 kHz measurement Power range level (in 100 kHz bandwidth) (dBW) measurement bandwidth) (dB) (P 9) 9 dBm P –80.5 – – –36 75 dBc 9  29 –80.5 P (P 29) dBm 29 39 –80.5 – –  –16 P 85 dBc 39 50 –90.5  P (P 50) dBm 50  –90.5 – – P –5 The end point value is subject to an upper limit of 65.5 dB. (1) 10 provides break points corresponding to the graph shown in Fig. 20, for 8 MHz analogue television, negative modulation, 0.75 MHz and 1.25 MHz VSB. FIGURE 20 Spectrum limit mask for 8 MHz analogue television, negative modulation (for = 39 to 50 dBW) P TABLE 10 Break points for 8 MHz analogue television, negative modulation, 0.75 MHz and 1.25 MHz VSB Relative level in Relative level in Frequency relative to Frequency relative to 50 kHz measurement 50 kHz measurement the vision carrier the centre of the bandwidth bandwidth frequency 8 MHz channel 0.75 MHz VSB 1.25 MHz VSB (dB) (dB) –17.25 –20 –90.5 –90.5 –9.25 –12 –65.5 –65.5 –6.5 –9.25 –56 –56 –6 –8.75 –36 –36 –3 –5.75 –36 –36 –1.25 –4 –36 –16 –0.75 –3.5 –16 –16 –0.18 –2.93 –16 –16 0 0 0 –2.75 0.18 –2.57 –16 –16 5 2.25 –16 –16
TABLE 9 End point values for 7 MHz analogue television, negative modulation, 0.75 MHz VSB End point value(1) (50 kHz measurement bandwidth) (dB) Power range (dBW) Corresponding spurious level (in 100 kHz measurement bandwidth) –80.5 – (P – 9) P 9 –36 dBm –80.5 9  P 29 75 dBc –80.5 – (P – 29) 29  P 39 –16 dBm –90.5 39  P 50 85 dBc –90.5 – (P – 50) 50  P –5 dBm (1) The end point value is subject to an upper limit of 65.5 dB. 10 provides break points corresponding to the graph shown in Fig. 20, for 8 MHz analogue television, negative modulation, 0.75 MHz and 1.25 MHz VSB. FIGURE 20 Spectrum limit mask for 8 MHz analogue television, negative modulation (for P = 39 to 50 dBW) TABLE 10 Break points for 8 MHz analogue television, negative modulation, 0.75 MHz and 1.25 MHz VSB Frequency relative to the vision carrier frequency Frequency relative to the centre of the 8 MHz channel Relative level in 50 kHz measurement bandwidth 0.75 MHz VSB (dB) Relative level in 50 kHz measurement bandwidth 1.25 MHz VSB (dB) –17.25 –20 –90.5 –90.5 –9.25 –12 –65.5 –65.5 –6.5 –9.25 –56 –56 –6 –8.75 –36 –36 –3 –5.75 –36 –36 –1.25 –4 –36 –16 –0.75 –3.5 –16 –16 –0.18 –2.93 –16 –16 0 –2.75 0 0 0.18 –2.57 –16 –16 5 2.25 –16 –16
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