SIT9005ACB2D-33SM

Frequency Stability (Total):	--
Current - Supply (Disable) (Max):	4.3µA
Height:	0.030" (0.76mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	6.5mA
Spread Spectrum Bandwidth:	-3.45%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Series:	SIT9005
Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Voltage - Supply:	3.3V
Output:	LVCMOS
Function:	Standby
Available Frequency Range:	1MHz ~ 141MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	SSXO
Base Resonator:	MEMS
Part Status:	Active

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Programmable Oscillators are electronic components that generate a series of continuous periodic signals without the use of an external oscillator circuit. The SIT9005ACB2D-33SM is a precision second-order phase-locked loop programmable oscillator. It features an innovative low phase noise design, excellent SSB phase noise, and high operating temperature range of up to 80°C.

Application Field

The SIT9005ACB2D-33SM Programmable Oscillator suits a wide range of applications where low phase noise, high accuracy and low jitter are required. This device is usually used in any applications where data signals need to be transmitted over long distances. It has great performance in satellite communication systems and mobile radio (2.4 GHz) systems. Other typical areas of application include microwave point to point, high-speed digital signal processing and any other communication systems.

Working Principle

The working principle of the SIT9005ACB2D-33SM Programmable Oscillator is based on a second-order phase-locked loop. The oscillator is capable of locking a reference frequency generator to a local oscillator frequency in order to reduce jitter and offer improved phase noise performance.The SIT9005ACB2D-33SM consists of a reference frequency generator and a phase comparator. The reference frequency generator generates a reference signal which is applied to the input of the phase comparator. The reference signal is then compared to the signal from the local oscillator which is fed into the other input of the phase comparator. Depending on the results of the comparison between the two signals, the phase comparator sends an error-correction signal that modulates the local oscillator frequency, thereby adjusting its output frequency to match the reference frequency. The SIT9005ACB2D-33SM also has diode-connected capacitors and programmable resistor networks which are used to set the tuning range, adjustment range and additional control signals. This allows the oscillator to be optimized for a wide range of frequencies and applications. The SIT9005ACB2D-33SM Programmable Oscillator has several important characteristics that makes it suitable for precision long-distance communication. First of all, it has excellent low phase noise and narrow SSB phase noise performance. This means that the signal generated by the oscillator has very few undesirable noise components that can interfere with the communication. The SIT9005ACB2D-33SM also has a wide frequency range from 1.792 MHz to 800 MHz, making it suitable for a variety of applications. Furthermore, it operates at a wide temperature range from -40 to +80°C, which is essential for applications in harsh environments. The device also features high tuning accuracy and a very low jitter of less than 1.6ps. In addition to its precision second-order phase-locked loop design, the SIT9005ACB2D-33SM also has additional features such as user-friendly tuning and software control which allow for easier operation and improved performance. It also has a built-in voltage-switching between power-down and power-up modes, making it easier to control. Overall, the SIT9005ACB2D-33SM Programmable Oscillator is an excellent choice for precision long-distance communication applications. It has low phase noise performance and a wide frequency range, making it suitable for a variety of communication tasks. It also features high tuning accuracy, low jitter, and user-friendly tuning and software control. These features make it perfect for applications where accuracy, reliability and long-distance data transmission are essential.

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