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Australian AM/FM Broadcast Standards
Australian VHF/FM Broadcast Standards
Australian Colour TV Broadcast Standards
Minmise/Maximise this section - Australian AM-FM Broadcast Standards
Australian AM-FM Broadcast Standards
| Frequency Range | 526.5kHz - 1605.5kHz |
| Channel Frequencies | 531,540,549.......1602kHz (Special services slightly above) |
| Stereo Signal | Compatible Quadrature Amplitude Modulation - 25Hz +/- 0.1Hz Deviation of 3% - 5% of quadrature channel |
| Frequency Response | less than 2dB (50Hz - 7.5kHz) |
| THD | Not exceeding 4% at 80% Mod. (400Hz - 5kHz) |
| Stereo Separation | 18db Min. |
Minimise/Maximise this section - Australian VHF-FM Broadcast Standards
Australian VHF-FM Broadcast Standards
| Frequency Range | 88-108MHz |
| Channel Frequencies | 88.1,88.3,........107.9MHz |
| Deviation | 75kHz |
| Pre- emphasis/
De-emphasis |
50 µsec. |
| Stereo Channel Subcarrier Frequency | 38kHz |
| Pilot Frequency | 19kHz |
| Note 1: | Ancillary Communications Services may be included in the main program frequency:
Sub Carrier ..........................67kHz Max. Deviation.....................7.5kHz Modulation...........................FSK or FM Pre-emphasis........................upto 150µsec. |
| Note2: | The frequencies 87.6, 87.7, 87.8, 87.9 & 88MHz have been released , until 1997 by certain Open Narrowcasting Services. |
Minimise/Maximise this section - Australian Colour TV Broadcast Standards
Australian Colour TV Broadcast Standards
| Channel Width | 7 MHz Vestigial Sideband |
| Vision Carrier | 1.25 MHz above lower edge of channel |
| Primary Sound Carrier | 5.5MHz above vision carrier |
| Secondary Sound Carrier | 242.1875 kHz above primary sound carrier |
| Vision Modulation | Negative Amplitude Modulation |
| Lines per Picture | 625 lines, interlaced 2:1 |
| Line Frequency | 15625Hz |
| Field Frequency | 50Hz |
| Colour Subcarrier Frequency | 4.43361875 MHz |
| Aspect Ratio | 4:3 |
| Horizontal Sync Pulse Amplitude | 100% Carrier amplitude |
| Front Porch | 1.3 - 1.8µsec. |
| Back Porch | Line blanking interval - (front Porch + sync pulse) |
| Line Blanking Interval | 11.8 - 12.3µsec. |
| Black and Blanking Level | 76% peak carrier level |
| White Level | 20% peak carrier level |
| Pre-equalisation Pulse Interval | 2.5H (H=line period, 64µsec) |
| Post-equalisation Pulse Interval | 2.5H |
| Field sync Pulse Interval | 2.5H |
| Field Blanking Interval | 2.5 + 12µsec |
| Ratio peak vision to peak sound carrier | Single sound carrier systems: 10dB
Dual sound carrier systems: Ch1: 13 dB , Ch2: 20 dB |
| Sound Modulation | FM |
| Sound Deviation | +/- 50 kHz |
| Audio Pre-emphasis | 50µsec |
Minimise/Maximise this section - Australian TV Channels
| Vision | Primary | Vision | Primary | ||
| Carrier | Sound Carrier | Carrier | Sound Carrier | ||
| Channel | (MHz) | (MHz) | Channel | (MHz) | (MHz) |
| 0 | 46.25 | 51.75 | 44 | 639.25 | 644.75 |
| 1 | 57.25 | 62.75 | 45 | 646.25 | 651.75 |
| 2 | 64.25 | 69.75 | 46 | 653.25 | 658.75 |
| 3 | 86.25 | 91.75 | 47 | 660.25 | 665.75 |
| 4 | 95.25 | 100.75 | 48 | 667.25 | 672.75 |
| 5 | 102.25 | 107.75 | 49 | 674.25 | 679.75 |
| 5A | 138.25 | 143.75 | 50 | 681.25 | 686.75 |
| 6 | 175.25 | 180.75 | 51 | 688.25 | 693.75 |
| 7 | 182.25 | 187.75 | 52 | 695.25 | 700.75 |
| 8 | 189.25 | 194.75 | 53 | 702.25 | 707.75 |
| 9 | 196.25 | 201.75 | 54 | 709.25 | 714.75 |
| 10 | 209.25 | 214.75 | 55 | 716.25 | 721.75 |
| 11 | 216.25 | 221.75 | 56 | 723.25 | 728.75 |
| 28 | 527.25 | 532.75 | 57 | 730.25 | 735.75 |
| 29 | 534.25 | 539.75 | 58 | 737.25 | 742.75 |
| 30 | 541.25 | 546.75 | 59 | 744.25 | 749.75 |
| 31 | 548.25 | 553.75 | 60 | 751.25 | 756.75 |
| 32 | 555.25 | 560.75 | 61 | 758.25 | 763.75 |
| 33 | 562.25 | 567.75 | 62 | 765.25 | 770.75 |
| 34 | 569.25 | 574.75 | 63 | 772.25 | 777.75 |
| 35 | 576.25 | 581.75 | 64 | 779.25 | 784.75 |
| 39 | 604.25 | 609.75 | 65 | 786.25 | 791.75 |
| 40 | 611.25 | 616.75 | 66 | 793.25 | 798.75 |
| 41 | 618.25 | 623.75 | 67 | 800.25 | 805.75 |
| 42 | 625.25 | 630.75 | 68 | 807.25 | 812.75 |
| 43 | 632.25 | 637.75 | 69 | 814.25 | 819.75 |
| . | . | . | . | . | . |
| Channel | 0-2 | VHF Band 1 | Channel | 28-35 | UHF Band 4 |
| Channel | 3-5 | VHF Band 2 | Channel | 39-69 | UHF Band 5 |
| Channel | 5A-11 | VHF Band 3 | . | . | . |
