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MT9074 Datasheet(PDF) 12 Page - Mitel Networks Corporation |
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MT9074 Datasheet(HTML) 12 Page - Mitel Networks Corporation |
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12 / 122 page  MT9074 Advance Information 12 Figure 8 Pulse Template (G.703)(E1) 269nS 244nS 194nS 219nS 488nS Nominal Pulse 120 110 90 100 80 50 20 0 -10 -20 Percentage of Nominal Peak Voltage 20 Mhz Clock The MT9074 requires a 20 Mhz clock. This may provided by a 50 ppm oscillator as per Figure 9. Figure 9 - Clock Oscillator Circuit Alternatively, a crystal oscillator may be used. A complete oscillator circuit made up of a crystal, resistors and capacitors is shown in Figure 10. The crystal specification is as follows. Frequency: 20MHz Tolerance: 50ppm Oscillation Mode: Fundamental Resonance Mode: Parallel Load Capacitance: 32pF Maximum Series Resistance: 35 Ω Approximate Drive Level: 1mW Figure 10 - Crystal Oscillator Circuit OSC1 OSC2 (open) 20MHz OUT Vdd GND +5V .1 µF OSC1 OSC2 20MHz 1M Ω 56pF 39pF 1 µH* 100 Ω Note: the 1 µH inductor is optional |
Similar Part No. - MT9074 |
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Similar Description - MT9074 |
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