DS1090U-1+

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Clock Generators, PLLs, and frequency synthesizers are electronic circuits that manipulate and generate signals which are synchronized in time with a specific frequency. The DS1090U-1+ is a programmable frequency synthesizer that can be used in a wide variety of applications. This article will discuss the various application fields of the DS1090U-1+ and its working principle.

Application Field

The DS1090U-1+ is designed as an electronic test and measurement device that can be used to generate or measure clock signals in data communications, broadcast, aerospace and defense applications. The device supports a wide range of output frequencies, which can be programmed up to 4 GHz for one output or 1.4 GHz for two outputs. It can be used in production test systems for the characterization of high speed electronics and in application development to simulate the clock signals.

The DS1090U-1+ also has a low phase noise performance to ensure optimal signal integrity in high noise environments. With its small size and low power consumption, the device is suitable for space-limited applications, such as mini tera Counters and wireless communication systems. Furthermore, the self-contained clock synthesizer can be used in broadcast equipment, military applications and in other systems requiring high-frequency, low-noise clock sources.

Working Principle

The DS1090U-1+ is a fully programmable frequency synthesizer with an integrated high-resolution voltage-controlled oscillator (VCO). It is capable of generating up to 4 GHz for one output or 1.4 GHz for two outputs, with a maximum output step size of 1 Hz. The frequency synthesizer also includes a Digital PLL (DPLL) that is used to control the frequency of the output clocks. The frequency of a given output can be programmed through a combination of two parameters: frequency range and frequency step size. The frequency range indicates the span of frequencies that can be programmed, while the frequency step size is the size of the frequency increments that can be used.

The DPLL in the DS1090U-1+ uses a phase-locked loop architecture to control the frequency of the output clocks. The phase-locked loop ensures that the output clock stays in sync with the input clock, regardless of the frequency of the output clock. The output frequencies can be programmed by either programming the frequency range or the frequency step size. The frequency range can be programmed in increments of 1 Hz, while the frequency step size can be programmed in increments of 10 Hz.

The DS1090U-1+ also includes an integrated low pass filter and amplifier that is used to improve signal clarity, control extraneous signal noise, and improve the linearity of the output signal. The device also includes a temperature compensation circuit that helps to maintain the accuracy of the output signal in changing temperature conditions. In addition, the device includes a power-down feature, which allows the user to control the power consumption of the device and extend its battery life.

The DS1090U-1+ is an ideal choice for applications where precise signal control and signal integrity are required. The device is highly configurable, allowing it to be used in a wide range of applications, from data communications to data acquisition and military applications. Its small form factor, low power consumption, and high frequency range ensure maximum performance in space-limited environments.

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