IDT23S09E-1DCG8

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Clock/Timing – Clock Generators, PLLs, Frequency Synthesizers

The IDT23S09E-1DCG8 is a high precision, single-ended, differential clock generator integrated circuit (IC) designed to provide an accurate frequency source for a variety of appliactions. This IC is capable of producing multiple frequencies with a wide frequency range from 7.8 MHz to 160 MHz in a single chip and is designed with a voltage controlled oscillator (VCO) circuitry with a phase-locked loop (PLL) frequency synthesizer to produce the necessary frequency.

Application Field

The IDT23S09E-1DCG8 is useful for a wide range of applications in a variety of fields. Its high precision and wide frequency range makes it ideal for use in a number of data processing, signaling, and communication systems, as well as a range of high-frequency clock generation applications. The IDT23S09E-1DCG8 is particularly well suited for use in radio frequency (RF) equipment, such as cellular phones, satellite receivers and broadcast communications systems. In these applications, the IDT23S09E-1DCG8 is used to generate the necessary clock signal for phase-coherent and baseband signal processing applications.

Working Principle

The IDT23S09E-1DCG8 uses a simple phase locked loop (PLL) frequency synthesizer configuration to produce the desired frequency. The PLL loop consists of three basic components: a phase detector, a charge pump, and a voltage controlled oscillator (VCO). The phase detector compares the input signal\'s phase with the output signal\'s phase and produces an error signal (also known as phase error) that is then sent to the charge pump, which subsequently increases or decreases the output frequency of the VCO based on the error signal.

The theoretical output frequency of the VCO is controlled by the voltage applied to the control pin. This voltage can also be adjusted via an external voltage source to further fine tune the VCO\'s output frequency. The VCO\'s output is then put through various stages of frequency divider circuits and is compared to the input signal by the phase detector.

By adjusting the external voltage and controlling the charge pump, the IDT23S09E-1DCG8 can be used to produce an infinite range of frequencies within its given range. As long as the PLL loop is within its lock range, the output frequency should be within the specified range.

Conclusion

The IDT23S09E-1DCG8 is a high precision, single-ended differential clock generator integrated circuit (IC), designed to provide an accurate frequency source for a variety of applications. It is particularly well suited for use in radio frequency (RF) equipment such as cellular phones, satellite receivers and broadcast communications systems. The IDT23S09E-1DCG8 uses a simple phase locked loop (PLL) frequency synthesizer configuration to produce the desired frequency, which is adjusted via an external voltage source. This feature makes it an ideal choice for applications that require precise and accurate clock generation.

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