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Crystal oscillators can be manufactured for oscillation over a wide range of frequencies, from a few kilohertz up to several hundred megahertz.Many applications call for a crystal oscillator frequency conveniently related to some other desired frequency, so hundreds of standard crystal frequencies are made in large quantities and stocked by electronics distributors.
Korea Data Systems Co., Ltd. (Korean: 코리아데이타시스템스, [2] abbreviated KDS), was an international electronics manufacturer based in Seoul, South Korea that manufactured primarily cathode-ray tube (CRT) and liquid-crystal display (LCD) computer monitors. KDS also produced word processors, laptops, and other computer hardware.
The goal of synthetic biology is to generate an array of tunable and characterized parts, or modules, with which any desirable synthetic biological circuit can be easily designed and implemented. [2] These circuits can serve as a method to modify cellular functions, create cellular responses to environmental conditions, or influence cellular ...
A crystal oscillator is an electronic oscillator circuit that uses a piezoelectric crystal as a frequency-selective element. [1] [2] [3] The oscillator frequency is often used to keep track of time, as in quartz wristwatches, to provide a stable clock signal for digital integrated circuits, and to stabilize frequencies for radio transmitters and receivers.
A basic Direct Digital Synthesizer consists of a frequency reference (often a crystal or SAW oscillator), a numerically controlled oscillator (NCO) and a digital-to-analog converter (DAC) [5] as shown in Figure 1. The reference oscillator provides a stable time base for the system and determines the frequency accuracy of the DDS.
The Odyssey is a two-oscillator analog synthesizer, and one of the first with duophonic capabilities (the ability to play two notes at the same time). All parameters, including a resonant low-pass filter, a non-resonant high-pass filter, ADSR and AR envelopes, a sine and square wave LFO, and a sample-and-hold function are controllable with sliders and switches on the front panel.
Similarly, the state space of the N=3 case is a 2-dimensional torus, and so the system evolves as a flow on the 2-torus, which cannot be chaotic. Chaos first occurs when N=4. For some settings of ,,,, the system has a strange attractor. [13]
[2] This effect may be achieved by measuring the zero axis crossings of the leader oscillator and retriggering the follower oscillator after every other crossing. This form of oscillator sync is more common than soft sync, but is prone to generating aliasing in naive digital implementations.