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Clock rates

Clock resets When a transition is taken, a clock reset action d = 0 attached to it simply assigns the value 0 to the clock c,. Note that the clock is not stopped, i.e., the clock rate c= 1 remains unchanged. [Pg.222]

Asynchronous Pitch Shifting. Asynchronous pitch shifting, the simplest pitch shifting method, simply changes the clock rate of each output digital to analog converter (DAC) to vary the pitch. Each channel requires a separate DAC. Each DAC has its own clock whose rate is determined by the requested frequency for that channel. When a DAC clock occurs, the DAC issues a request to a memory controller that supplies a waveform sample to the DAC. The earliest samplers had a separate memory for each DAC. [Pg.176]

This method is considered asynchronous because each output DAC runs at a different clock rate in order to generate different pitches. [Pg.176]

Sampling time The timing of the measurements is controlled by a hardware clock on a computer plug-in board, whose clock rate is set to dr1. At every tick of the clock, one data point is collected in such a way that the PMT counts accumulated between t = n At and t = (n+l) At are stored in y[n]. Similarly, x[n] is applied to the output at t = n At, which keeps the value until t = (n+l) At. [Pg.44]

If the finite thermal rise time Tth cannot be neglected, which means that At P Tt/, is not fulfilled, it may be necessary to sample at a higher rate than the clock rate of the excitation sequence (oversampling) [74]. A detailed discussion of this effect is, however, beyond the scope of this article. [Pg.45]

Inevitably, the CPU must spend energy to sort the tasks in the ready list and verify both tests. The LEDF algorithm has a computational complexity of 0(n log n) for n tasks and a processor with two clock rates [Swa 05]. For k different clock rates the complexity of LEDF emerges as 0(n log n + kn). [Pg.185]

The driving force for molecular electronics is to use molecules to achieve further miniaturization, greater functionality and faster clock rates for advanced electronic systems which operate over a wide range of temperatures and preferably take... [Pg.162]

Quartz clocks are accurate to about 0.0001 seconds per day. Such accuracy is more than adequate for everyday affairs. Suppose, however, the challenge is to measure the difference in clock rate between sea level and the top of Mount Everest The answer is that a clock on the top of Everest loses about 0.000030 second... [Pg.186]

From a number of standpoints, progress in electronics is becoming critically dependent on electronic packaging and interconnection. The ability to achieve fast clock rates, sufficient heat... [Pg.6]

Digital processors, which operate by means of a stream of pulses, are now operating at high speeds (10-100 MHz clock rates), and at these rates, signals are propagated as an electrical wave system travelling through the substrate, the air and the metal conductor. The substrate now becomes a key factor. [Pg.469]

To save memory space and time, the last m diodes can be clocked at a faster clock rate and the data ignored. [Pg.159]

Figure 7.5 Normalized clock rate vs. peak memory bandwidth of NVidia... Figure 7.5 Normalized clock rate vs. peak memory bandwidth of NVidia...
The electrical parasitics of a solder bump are far better than for a wire-bond or TAB lead. The latter generally introduce about 1 nH of inductance and 1 pF of capacitance into a circuit. In contrast, a solder bump introduces about 10 pH and 10 nF. The lower parasitic inductance and capacitance make solder bumps attractive for high-frequency radio applications, for example, in the 5.6-GHz communications band and in high clock rate digital applications. [Pg.839]

In 1958 the first IC invented had one transistor on it, when the first 8086 microprocessor debuted on June 8, 1978 it contained 29,000 transistors and ran at 5 MHz, the first Intel Pentium (1993) had roughly 3.1 million transistors and in 2004 the Intel Pentium 4 processor contains 55 miUion transistors and runs more than 600 times faster than the original 8086 processor at 3.06 GHz. In the near future microprocessors wiU have more than 1 biUion transistors. As semiconductor devices become more complex, the interconnections from the die to the circuit hardware keep evolving. Devices with high clock rates and high-power dissipation, or with multiple die, are leading to various new packages. [Pg.852]


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See also in sourсe #XX -- [ Pg.87 ]




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