ZL30263LDF1

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The ZL30263LDF1 is a clock generator, PLL, and frequency synthesizers integrated circuit (IC) from Zarlink Semiconductor. The device is a programmable, low-cost and high-performance clock generator for a range of device design applications including communication equipment, instrumentation, aerospace and avionics, and industrial equipment. It is particularly suitable for use in systems where low power, low jitter, and frequency tolerance are critical factors.

The ZL30263LDF1 offers up to four independent, configurable outputs to generate clock frequencies from 10MHz up to 1Ghz. It also offers a wide range of control and frequency selectable options, thus making it suitable for use in a range of device designs. With its built-in phase-locked-loop (PLL) functionality, it has the ability to accurately synthesize multiple frequencies with very low phase noise. Additionally, it provides a low current draw and has very low -160dBc/Hz phase noise.

In terms of application field, the ZL30263LDF1 is primarily used in the aerospace, avionics, and instrumentation industries. In its application area, it is able to provide very low-jitter clock transitions, which is critical for the proper functioning of such devices. It is also able to accurately synthesize multiple frequencies simultaneously, which allows for quick and easy timing and frequency adjustments.

The working principle of the ZL30263LDF1 is based on a phase-locked loop (PLL) mechanism. This mechanism allows for the conversion of an input frequency to multiple output frequencies with a fixed phase relationship. The device uses a digital control loop to detect and lock onto a reference signal, and then synthesize the output frequencies based on that signal. The process ensures that the output frequencies are very low in jitter, and the amplitude is accurately controlled across the entire range.

The device also features jitter attenuation circuitry, in order to reduce jitter to as low as -150 dBc/Hz. This is achieved by using a dual-loop PLL design, which includes an internal low-noise band-gap reference, highly stable prescaler, and low-noise charge-pump. Additionally, the device offers a wide range of frequency selectable options suitable for a range of applications. These include adjustable center frequency, output frequency range, enable/disable options, input reference type and various other options.

In conclusion, the ZL30263LDF1 is a very reliable, low-cost and high-performance clock generator IC suited for a wide range of device design applications. It offers four independent, configurable outputs to generate clock frequencies from 10MHz up to 1Ghz. Additionally, it features a PLL design with jitter attenuation circuitry and a very low -160 dBc/Hz phase noise. The device is primarily used in the aerospace, avionics and instrumentation industries, and is able to accurately synthesize multiple frequencies simultaneously, which allows for quick and easy timing and frequency adjustments.

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