ECS-3953M-480

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ECS-3953M-480 Oscillators

Oscillators come in many shapes and sizes. The ECS-3953M-480 is an oscillator designed to generate signals within the frequency range of 1 MHz to 480 MHz. It is specifically designed to be used in the fields of communications, automotive, spaceborne and mobile computing applications. This device is an Adjustable-Frequency Voltage-Controlled Oscillator (VCO) that is designed using CMOS technology.

Application Fields

The ECS-3953M-480 has a wide variety of application fields. In communications, it is used in Frequency Division Multiple Access (FDMA) wireless systems and can be used to generate Local Oscillator (LO) signals and signals for intermediate frequency (IF) up-conversion.

In automotive, the ECS-3953M-480 is used to generate a frequency for transponders in car keyless entry systems and can control the frequency of the ignition coils in cars. It is also used in immobilizer systems as a form of electronic security. In spaceborne applications, the device can be used to generate LO signals in the receive signal chains of satellite communications.

Finally, in mobile computing applications, the ECS-3953M-480 can be used to generate offset carrier frequencies for frequency-division multiplexing. In addition, it is used to generate local oscillator signals for basebands in mobile phones. It is also used in mobile point-to-multipoint links, such as GPS and other wireless technologies.

Working Principle

The basic working principle of the ECS-3953M-480 involves a modulation technique called direct digital synthesis (DDS). This technique involves a digital-to-analog conversion and an analog-to-digital conversion, where the output frequency is determined by the output of the digital-to-analog conversion. This technique is highly accurate, since it utilizes a continuously adjustable phase increment generator to precisely control the output frequency. The phase increment generator is controlled by a digital control word.

The ECS-3953M-480 utilizes a CMOS version of DDS. This variation takes advantage of the low power requirements and high speed capabilities of CMOS technology. This technology utilizes a phase-locked loop and a modulo-m counter to keep the frequency of the output signal stable. The phase-locked loop is responsible for tracking and maintaining any changes in the output frequency.

The ECS-3953M-480 is designed to provide an excellent phase noise and tuning resolution, and can generate a stable output frequency up to frequencies of 480 MHz. It also includes an internal voltage regulator to provide stable power to the system. The device also has an integrated temperature compensation circuit to ensure stable frequency performance across a wide range of temperatures.

Conclusion

The ECS-3953M-480 is a versatile adjustable-frequency voltage-controlled oscillator for a variety of applications, such as communications, automotive, spaceborne, and mobile computing. It is designed using CMOS technology and utilizes a direct digital synthesis technique for frequency generation. This technique is highly accurate and allows for a wide range of frequencies up to 480 MHz. The device also includes a voltage regulator and temperature compensation circuitry to ensure consistent performance across a variety of conditions.

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