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TRIAX Multimedia Main Catalogue

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Technical appendix<br />

8. Signal level - mV to dBµV<br />

Signal level - mV to dBµV<br />

mV v/75 W dBµV<br />

0,100 40<br />

0,112 41<br />

0,125 42<br />

0,140 43<br />

0,160 44<br />

0,180 45<br />

0,200 46<br />

0,225 47<br />

0,250 48<br />

0,280 49<br />

0,315 50<br />

0,355 51<br />

0,400 52<br />

0,450 53<br />

0,500 54<br />

0,560 55<br />

0,630 56<br />

0,700 57<br />

0,800 58<br />

0,900 59<br />

1,00 60<br />

1,12 61<br />

1,25 62<br />

1,40 63<br />

1,60 64<br />

1,80 65<br />

2,00 66<br />

2,25 67<br />

2,50 68<br />

2,80 69<br />

3,15 70<br />

mV v/75 W dBµV<br />

3,55 71<br />

4,00 72<br />

4,50 73<br />

5,00 74<br />

5,60 75<br />

6,30 76<br />

7,00 77<br />

8,00 78<br />

9,00 79<br />

10,0 80<br />

11,2 81<br />

12,5 82<br />

14,0 83<br />

16,0 84<br />

18,0 85<br />

20,0 86<br />

22,5 87<br />

25,0 88<br />

28,0 89<br />

31,5 90<br />

35,5 91<br />

40,0 92<br />

45,0 93<br />

50,0 94<br />

56,0 95<br />

63,0 96<br />

70,0 97<br />

80,0 98<br />

90,0 99<br />

100 100<br />

112 101<br />

mV v/75 W dBµV<br />

125 102<br />

140 103<br />

160 104<br />

180 105<br />

200 106<br />

225 107<br />

250 108<br />

280 109<br />

315 110<br />

355 111<br />

400 112<br />

450 113<br />

500 114<br />

560 115<br />

630 116<br />

700 117<br />

800 118<br />

900 119<br />

1000 120<br />

1120 121<br />

1250 122<br />

1400 123<br />

1600 124<br />

1800 125<br />

2000 126<br />

2250 127<br />

2500 128<br />

2800 129<br />

Voltage ratio in dB<br />

Voltage ratio in dB<br />

*) Factor -dB dB *) Factor +dB *) Factor -dB dB *) Factor +dB<br />

1,0 0,0 1,0 0,125 18 8,0<br />

0,95 0,5 1,06 0,11 19 8,9<br />

0,89 1,0 1,12 0,10 20 10,0<br />

0,84 1,5 1,19 0,089 21 10,0<br />

0,8 2,0 1,25 0,08 22 12,5<br />

0,75 2,5 1,33 0,071 23 14,1<br />

0,71 3,0 1,41 0,063 24 16,0<br />

0,67 3,5 1,5 0,056 25 17,8<br />

0,63 4,0 1,6 0,050 26 20,0<br />

0,60 4,5 1,67 0,045 27 22,4<br />

0,56 5,0 1,78 0,04 28 25,0<br />

0,53 5,5 1,88 0,035 29 28,2<br />

0,50 6,0 2,0 0,032 30 31,6<br />

0,47 6,5 2,12 0,028 31 35,5<br />

0,45 7,0 2,24 0,025 32 40<br />

0,42 7,5 2,37 0,022 33 45<br />

0,4 8,0 2,5 0,020 34 50<br />

0,38 8,5 2,66 0,018 35 56<br />

0,35 9,0 2,82 0,016 36 63<br />

0,33 9,5 3,00 0,014 37 71<br />

0,32 10 3,16 0,0125 38 80<br />

0,28 11 3,55 0,011 39 89<br />

0,25 12 4,00 0,01 40 100<br />

0,22 13 4,5 0,0056 45 178<br />

0,2 14 5,00 0,0032 50 316<br />

0,18 15 5,62 0,0018 55 562<br />

0,16 16 6,3 0,001 60 1000<br />

0,14 17 7,1 – – –<br />

*) The numbers are dB value calculated to times.<br />

Signal level is often stated in dBµV which is to be understood as<br />

the number of dB the signal exceeds 1µV.<br />

9. Frequencies for radio and TV channels<br />

Frequencies of a TV-signal (Norm B, G/Pal)<br />

7 MHz raster: FI, USB, F III, OSB<br />

8 MHz raster: ESB, F IV, F V<br />

1.25<br />

8 MHz channel raster<br />

7 MHz channel raster<br />

6.992<br />

6.75<br />

5.68<br />

λ MHz<br />

Picture Color 2. Sound<br />

1. Sound<br />

256

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