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15 Cards in this Set

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  • Back
______ _______ are used to produce clock waveforms to trigger the digital signals at precise intervals
special clock and timing circuits
the term _____ means that the waveform is repetitive with each successive identical to the previous one
periodic
the _____ of the clock waveform is defined as the length of time from the falling edge of one pulse to the falling edge of the next next pulse and is abbreviated _____
period, Tp
the _______ of the clock waveform is defined as the reciprocal of the clock period
frequency
the basic unit for frequency is _____
hertz
the basic unit for period is
seconds
frequency is often refereed to as ____ per second or _____ per second
cycles, pulses
what is the frequency of a clock waveform whose period is 2 microseconds?
0.5 MHz
if the frequency of a waveform is 4.17 MHz, what is its period?
0.240us
sketch and label the x and y axis representing a 56 kbs clock waveform used for PC communication. (Assume that the voltage levels are 0.5v and 7v)
:(
determine the frequency of the waveform in figure 2-4
:(
what are the labels on the x axis and y axis of a digital signal measured on an oscilloscope?
x, time ; y, voltage
what is the relationship between clock frequency and clock period?
the clock frequency is the reciprocal of the clock period
what is the time period from the rising edge of one pulse to the rising edge of the next pulse on a waveform whose frequency is 8MHz
125ns
what is the frequency of a periodic waveform having a period of 50ns?
20 MHz