SIT9005ACR2H-33NJ

Frequency Stability:	±20ppm, ±25ppm, ±50ppm
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:	±1.28%, Center Spread
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SIT9005
Voltage - Supply:	3.3V
Output:	LVCMOS
Function:	--
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 - SIT9005ACR2H-33NJ application field and working principle

Programmable oscillators, also known as frequency synthesizers, are electronic devices that generate a specific oscillating signal with a predetermined frequency. They are used extensively in many areas of communications technology and are used to achieve accurate control of various communications protocols. The SIT9005ACR2H-33NJ featured in this article is one such device.SIT9005ACR2H-33NJ is a high-precision, low-voltage crystal oscillator that is used in the Quartz Frequency Division Multiplexing (QFD) technique, which is widely employed in radio frequency (RF) communications. This oscillator can be programmed to produce and maintain precision oscillations at a certain frequency, typically ranging from 8 to 33MHz.The SIT9005ACR2H-33NJ has a programmable frequency divider (PFD) which allows the user to program the frequency of the output clock, thereby making it a great choice for use in applications requiring precise control of various communication protocols. In addition, the oscillator has a temperature stability of 1ppm/°C, making it suitable for use in extreme temperatures. The oscillator also exhibits low power consumption, making it a great choice for applications requiring energy efficiency.The SIT9005ACR2H-33NJ works on the principle of quartz crystal oscillation. Quartz is a piezoelectric substance, meaning that it changes its shape under the influence of electric fields, and vice versa. When an external voltage is applied to the quartz crystal, the crystal changes its shape and produces an oscillating signal with a specific frequency. The frequency of this signal is determined by the size, shape, and composition of the quartz crystal.The SIT9005ACR2H-33NJ uses three quartz crystals to achieve its accuracy and stability. The first crystal is used to accurately set the frequency of the oscillator. The second crystal monitors the frequency of the output clock and makes adjustments as necessary. The third crystal is used to reduce any inaccuracies in the output signal due to temperature fluctuations, EMI, etc.The SIT9005ACR2H-33NJ can be programmed to produce frequencies from 8 to 33MHz, making it an ideal choice for a range of RF communication applications including cellular networks, satellite communications systems, Wi-Fi networks, and other digital communication systems. It is also used in a wide range of industrial applications such as temperature measurement and control, flow measurement, and other industrial automation systems.In summary, the SIT9005ACR2H-33NJ is one of a range of programmable oscillators that are used in many areas of communication technology and industrial automation. It is equipped with a programmable frequency divider which allows the user to program the frequency of the output clock, making it a great choice for applications requiring precise control. It has excellent accuracy and stability, and low power consumption, making it an ideal choice for energy-efficient applications.

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