MK1728AG-01LF

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The MK1728AG-01LF is a highly integrated frequency synthesizer, utilizing a phase-locked loop (PLL) circuit to generate stable and precise codes. It is suitable for use in applications such as radio communications, frequency synthesizers, automotive electronics and wireless communications. The MK1728AG-01LF is an all-in-one solution that includes both the oscillator circuit and the PLL circuit. This makes it an ideal choice for applications that require high frequency and minimum design cycles.

In terms of its application field, the MK1728AG-01LF can be used in various frequency generation and communication applications, such as generating frequencies from 0.25MHz to 2.5GHz, being compatible with custom control bytes, including single-chip microcomputer applications. It also supports a wide range of input signal frequencies, from 0.006MHz to 200MHz, making it suitable for a variety of applications. Additionally, the device has a programmable tuning resolution of 0.5kHz, allowing for precise and efficient tuning for waveform generation.

In terms of the working principle, the MK1728AG-01LF uses a PLL circuit to generate a stable frequency with a maximum phase noise of -95 dBc/Hz at a 10KHz offset. The PLL circuit consists of two elements: the phase/frequency detector and the voltage controlled oscillator (VCO). The phase/frequency detector is responsible for comparing the phase/frequency of the input signal to the reference frequency and generating the control signals that adjust the VCO. The VCO then starts to oscillate when it is supplied with the control signals and generates a stable output signal at the desired frequency.

The MK1728AG-01LF also supports TTL input for output control and can be used for auto-clocking. The circuit offers a dynamic tuning range of 0.12V to 2.5V, making it quite flexible and reliable in generation of output signals. Additionally, the circuit has an on/off control pin that can be used for rapidly switching between different output frequencies for testing purposes.

The MK1728AG-01LF is capable of meeting the requirements of many frequency generation and communication applications, thanks to its internal PLL circuit and well-defined features. The device offers a high level of stability and accuracy in generating frequencies of up to 2.5GHz, offering high performance and reliability while also keeping design cycles low. Its versatile auto-clocking and output control functions make it an ideal choice for a wide range of applications.

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