638P156J6C3T

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Oscillators

The 638P156J6C3T oscillator is a voltage-controlled oscillator (VCO) that is designed to generate a range of frequencies. It is ideal for applications in which precise, stable and fast frequency tuning is required. The 638P156J6C3T is a broadly tunable VCO with superior phase noise performance, linearity and fast-tuning properties.

Application Field

The 638P156J6C3T oscillator can be used in a variety of applications including Wireless Infrastructure, Automotive, Industrial, Broadcast, Medical, and Aerospace. It also finds use in a variety of communications systems such as, Wi-Fi, GPS, Bluetooth, and other short-range radio transmitters and receivers.

It is also used in precision timing solutions such as oscilloscope application modules, microwave communication systems, frequency synthesizers, and phase-locked loops (PLL). Additionally, it is often used in oscillators and synthesizers, clock and data components, and for providing precise frequency control in test and measurement systems.

Working Principle

The 638P156J6C3T oscillator utilizes an improved PLL synthesizer to provide superior performance. Its main output stage is based on a conventional dual-modulus circuit with a two-section programmable counter and a 27-stage frequency divider. An internal quartz crystal or an external reference source is utilized to provide the stable references that the oscillator needs.

The 638P156J6C3T oscillator has remarkable fast-tuning and linearity characteristics that make it suitable for fast frequency-change applications. In addition, it is able to provide a minimum of 87dBc/Hz radiating noise performance due to its programmable internal references.

The 638P156J6C3T oscillator operates over a wide range of frequencies from 133 to 4.1GHz and its supply voltage ranges between 7 and 15 volts. It is also capable of generating output frequencies up to 100MHz with a high ratio in terms of look-up table resolution versus voltage-controlled frequency.

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