SIT3809AC-C-18NB

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Programmable Oscillators are an invaluable tool in the field of engineering, but understanding the different applications and operating principles can be a challenge. This is especially the case for SIT3809AC-C-18NB, which is a programmable oscillator designed for frequency control. By understanding its applications and operating principles, engineers can maximize the benefits this device provides.

Application Field

The SIT3809AC-C-18NB is specifically designed to allow frequency control in broadcast and digital television application. The unit provides a wide range of frequencies for digital television, ranging from 5 to 44 MHz, allowing for maximum control ability when operating digital television systems. Furthermore, the wide frequency range of the device allows it to fit many broadcast and digital television standards, making it a reliable option for a variety of applications.

The device is also suitable for radio and transmission applications. The wide frequency range of the device also allows it to be used in a variety of radio applications, ranging from short-wave to UHF communication systems. Additionally, the device can be used in transmitter and antenna applications, providing precise frequency control to ensure that the signal being transmitted maintains consistent strength and performance.

Working Principle

The SIT3809AC-C-18NB utilizes a Digital to Frequency or D/F converter in order to translate digital inputs into an adjustable output frequency. This is achieved by integrating a voltage-controlled oscillator (VCO) into the device which is capable of generating output frequencies that can be anywhere from 5 to 44 MHz in range. The oscillator output frequency of the VCO is then adjusted via an integrated Digital Control Interface (DCI) that can be programmed to operate within the given range.

The device also integrates a counter device that allows it to measure the output frequency with precision and accuracy. This is accomplished by connecting the output of the VCO to the counter device, which is then able to measure the output frequency and compare it to the target frequency that is set using the DCI. If the measured output frequency is not the same as the target frequency, adjustments will be made to the VCO output frequency until the two frequencies become equal.

The SIT3809AC-C-18NB is also designed to feature a wide frequency range that is suitable for broadcast and digital television applications. This is achieved by using a combination of crystal filters and multiplexers, which are capable of providing a wide range of output frequencies suitable for digital television broadcast. Additionally, the device also includes temperature compensation circuitry, which is used to ensure the accuracy of the frequency output and the stability of the signal.

The SIT3809AC-C-18NB is an invaluable tool for engineers designing digital television systems, radio systems, and transmission systems. From its wide frequency range to its precise frequency control capabilities, the device is able to provide numerous benefits to all types of engineers.

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