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Fortiming Standard Frequencies and Typical Applications

Frequency (MHz)

Typical Application

Frequency (MHz)

Typical Application

1.5440 DS1 (T1) 19.2000 Cellular
1.8432 Microprocessor Clock 19.4400 SONET
2.0480 CEPT1 19.6800 Cellular
2.3040 SONET Tributaries 20.0000 Microprocessor Clock, DSP
3.0880 DS1 (2x) 20.4800 ISDN, CEPT1 (10x)
3.4560 SONET Tributaries 22.1184 Microprocessor Clock
3.579545 US Color TV Subcarrier 24.0000 DSP, Microprocessor Clock
3.6864 Microprocessor Clock 24.5760 CEPT1 (12x), MPEG Audio
4.0000 TOKEN RING, Clock 25.0000 Microprocessor Clock, Hub
4.0320 Microprocessor Clock 26.0000 Bluthtooth
4.4336 European TV 27.0000 Digital TV, MPEG Audio
5.0000 Microprocessor Clock 28.0000 DSP, Hub
5.0688 Microprocessor Clock 28.2240 56K Modem
6.1440 CEPT1 (2x) 29.4912 V.34 Modem
6.1760 DS1 (2x) 30.0000 Microprocessor Clock, DSP
6.3120 DS2 32.0000 Microprocessor Clock, DSP
6.4000 ISDN 32.0640 DS3 - Japan
6.9120 SONET Tributaries 32.7680 CEPT1 (16x)
7.3728 Microprocessor Clock 33.3330 Ethernet, LAN
8.0000 Microprocessor Clock 34.3680 CEPT3
8.0640 Microprocessor Clock 35.3280 CEPT1 (17.25x)
8.1920 CEPT1 (2x) 36.0000 DSP, Microprocessor Clock
9.2160 Microprocessor Clock 36.8640 CEPT1 (18x)
10.0000 Microprocessor Clock 37.0560 DS1 (24x)
10.73864 TV 38.8800 SONET
11.05920 Microprocessor Clock 40.0000 DSP, Microprocessor Clock
12.0000 Microprocessor Clock 44.2360 V.34 Modem
12.2880 CEPT1 (6x), MPEG 44.7360 DS3
13.0000 Cellular / Bluetooth 48.0000 DSP, Microprocessor Clock
13.5000 Digital TV 49.1520 CEPT1 (24x)
14.0000 Microprocessor Clock 50.0000 Microprocessor Clock, DSP
14.31818 Microprocessor Clock 51.8400 SONET OC-1
14.4000 Cellular 56.4480 56K Modem
14.7456 Microprocessor Clock 66.0000 Microprocessor Clock, DSP
15.0000 Microprocessor Clock 66.6660 Microprocessor Clock, DSP
15.440 DS1 (10x) 66.6670 Microprocessor Clock, DSP
16.0000 TOKEN RING, DSP Clock 77.7600 SONET
16.1280 Microprocessor Clock 80.0000 Microprocessor Clock, DSP
16.9344 VIDEO 100.0000 Microprocessor Clock, DSP
17.7345 European TV 106.2500 FDDI (Fiber Channel)
18.4320 Microprocessor Clock 125.0000 Gigabit Ethernet
155.5200 SONET OC-3, SDH STM1