# Pulse Width Sine Wave Definition Example Pdf Document

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### Chapter 17: Fundamentals of Time and Frequency

pulse width and polarity varies from device to device, but TTL levels are commonly used. The test signal for frequency measurements is usually at a frequency of 1 MHz or higher, with 5 or 10 MHz being common. Frequency signals are usually sine waves, but can also be pulses or square waves. If the frequency

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accurately (within 2%) show the amplitudes of sine-wave signals up to 20 MHz. For digital signals, oscilloscopes must capture the fundamental, third and fifth harmonics or the display will lose key features. So, the bandwidth of the scope together with the probe should similarly be at least 5x the maximum signal

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8.3ms Single Half Sine Wave PEAK PULSE CURRENT (%) t, TIME ms FIG. 3 CLAMPING POWER PULSE WAVEFORM td Peak Value IPPM tr=10 s Half Value-IPPM/2 10/1000 s, WAVEFORM as DEFINED by R.E.A. PULSE WIDTH(td) is DEFINED as the POINT WHERE the PEAK CURRENT DECAYS to 50% OF IPPM CJ, JUNCTION CAPACITANCE (pF) A V(BR), BREAKDOWN VOLTAGE (V)

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8.3ms Single Half Sine Wave UNIDIRECTIONAL ONLY PEAK PULSE CURRENT (%) t, TIME ms FIG. 3 CLAMPING POWER PULSE WAVEFORM td Peak Value IPPM tr=10 s Half Value-IPPM/2 10/1000 s, WAVEFORM as DEFINED by R.E.A. PULSE WIDTH(td) is DEFINED as the POINT WHERE the PEAK CURRENT DECAYS to 50% OF IPPM CJ, JUNCTION CAPACITANCE (pF) A

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