MK1726-08S

Differential - Input:Output:	No/No
Base Part Number:	MK1726-08
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply:	2.97 V ~ 3.63 V
Divider/Multiplier:	No/No
Frequency - Max:	32MHz
Series:	--
Ratio - Input:Output:	1:2
Number of Circuits:	1
Output:	CMOS
Input:	Clock, Crystal
PLL:	Yes
Type:	Clock Generator
Part Status:	Obsolete
Packaging:	Tube

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

The MK1726-08S is an intermediate frequency synthesizer designed for you to use and apply in your projects with ease and dependability. The core features of the MK1726-08S are the ability to generate various intermediate frequency frequencies, their fully integrated phase locked loop, flexible programmable reference clock sources, and more.The main application field of MK1726-08S is the frequency synthesis and generation of various intermediate frequency signals. It features a wide range of outputs that can be accurately tuned with resolutions as low as 1 Hz. While it can be employed in a variety of different applications, the typical use cases of this device are in the fields of communication protocols, digital video and television broadcasting, GPS navigation, and digital radio broadcast systems.The working principle of the MK1726-08S is that it divides the input reference frequency into several outputs using a PLL (phase locked loop) system. This allows the device to be highly efficient and accurate.In the PLL system of the MK1726-08S, an accurate reference clock of the right frequency is required in order for the frequency multiplication process to work correctly. This reference clock can be provided via a variety of sources such as crystal oscillators, VCXO, or from a local oscillator circuit. The reference clock source is subsquently used to initialize the internal control circuitry of the device, and also to control the operation of the output frequency multiplication.Apart from the reference clock, the other core building block of the MK1726-08S is its programmable dividers. These building blocks are responsible for taking the reference clock frequency, and modulation it with a given programmable divider ratio, ultimately outputting the desired frequency. To take a closer look at the divider block, each divider is comprised of a programmable register, a mixer, and a low pass filter. In the register, the values for the divider ratio are stored and can be retrieved via an I2C interface. The mixer is then used to convert the digital signal from the register into an analog signal which is then sent to the low pass filter for signal filtering and better noise rejection. The output of the low pass filter is then used as the divider output.In addition to the frequency modulation of its dividers, the MK1726-08S offers a wide range of functionality options such as frequency sweeping, frequency hopping, gain control, and more. The frequency sweep option is a unique option that lets the external user set a pre-defined frequency range, and the device will then scale between the two end points of the range repeatedly. This is a very useful feature that can be used in applications where privacy is a priority or when the external user is looking to save power and reduce interference of the output signal with other components of the device.Overall, the MK1726-08S is a device that can be used in a variety of application fields, granting the user functionality and scalability features, as well as dependable accuracy. Its integrated phase locked loop ensures the correct functioning of the intermediate frequency output, and the flexible reference clock source allows for easy integration with a variety of existing source components. With its various frequency modulation and various bottom programming options, the MK1726-08S is a great choice for any application.

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