SIT9002AC-08N33DX

Frequency Stability:	±25ppm
Height:	0.039" (1.00mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	84mA
Spread Spectrum Bandwidth:	-4.00%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SiT9002
Voltage - Supply:	3.3V
Output:	LVPECL
Function:	--
Available Frequency Range:	1MHz ~ 198MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Bulk

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Programmable Oscillators can be broadly divided into two main categories: oscillators that use analog components and oscillators that use digital components. The SIT9002AC-08N33DX falls into the latter category and is classified as a digital programmable oscillator. It is specifically designed to support radio transmitters and receivers that require a variable frequency. It provides a high-accuracy and low-noise source for frequency control, as it is capable of creating a signal for a wide range of frequencies, from 300Hz to 7.8GHz.The SIT9002AC-08N33DX operates in exactly the same way as a normal digital oscillator, except that it can be programmed to output different frequencies. It utilizes the same basic architecture as most other digital oscillators, which includes a counter and a master clock. However, the SIT9002AC-08N33DX has an added feature – its frequency range can be changed using an external clock. This feature makes the SIT9002AC-08N33DX particularly appropriate for radio receivers and transmitters.The SIT9002AC-08N33DX consists of two components – the Digital Frequency Synthesizer (DFS) and the Digital Control Unit (DCU). The DCU provides a wide range of control functions including programmable frequency selection, output frequency range, and phase detection. The DFS works in tandem with the DCU to generate the signal. The DFS is responsible for generating the frequency range that can be used for transmission or reception. The DFS operates a circuit known as an N-bit phase accumulator in order to create the frequency range. The N-bit phase accumulator continually increments by a predetermined number at each clock cycle and can be programmed to a range of frequency selections.The SIT9002AC-08N33DX works by controlling the phase of the output signal. Although the clock frequency is fixed, the phase can be adjusted using the N-bit phase accumulator, allowing different frequencies to be generated. This can be done by simply changing the frequency register in the DCU. To generate the desired frequency, the DCU reads the frequency register and then adjusts the phase accumulator accordingly. The resulting signal is then outputted, allowing the device to be used in a wide range of applications.The SIT9002AC-08N33DX is particularly useful for radio applications, as it can be programmed to output a wide range of frequencies, including frequencies that are sensitive to external interference. It is also highly accurate, making it suitable for use in precision systems. Moreover, the SIT9002AC-08N33DX has a low-noise output, which is advantageous for radio systems that require clean signals. Thanks to its flexibility and accuracy, the SIT9002AC-08N33DX has found numerous applications in consumer electronics, automotive, and military applications.

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