SIT9002AC-18H33ST

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	10µA
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:	-2.00%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SiT9002
Voltage - Supply:	3.3V
Output:	LVPECL
Function:	Standby
Available Frequency Range:	1MHz ~ 199MHz
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 OscillatorsProgrammable oscillators are devices that are designed to produce precise, regular signals whose frequency is determined by an oscillator chip and a built-in feedback circuit. These oscillators are used in a wide range of applications, from radio-frequency (RF) and microwave systems to precision frequency signals. One example of a programmable oscillator is the SIT9002AC-18H33ST.The SIT9002AC-18H33ST is a Temperature Compensated Crystal Oscillator (TCXO) that has been designed for small-sized, low-power applications which require a high degree of accuracy. It is a small, surface mounted device (SMD) with a size of 18.80 x 33.00 mm.The oscillator has a 0.25 to 100.0 MHz nominal frequency range and features a built-in temperature compensation circuit. The oscillator is programmable, allowing it to maintain a stable frequency across a wide temperature range of -20 to +85°C. It also has a phase noise of -105 dBc @ 10 kHz and a temperature stability of ±2.5 ppm within its operating temperature range.The input voltage of the oscillator ranges from 2.3 to 3.3V, while the input current is typically 3 mA. The output type of the oscillator is a 3-state LVCMOS signaling. The duty cycle is 40/60 and the output load is 5pF. The oscillator also has an enable/disable input and a manual reset input.The working principle of the SIT9002AC-18H33ST is that the oscillator chip contains a built-in voltage-controlled oscillator (VCO) that is driven by an externally applied voltage. The VCO output is compared to the applied external frequency in order to keep the oscillator in phase with the external frequency. The built-in temperature compensation circuit ensures that the oscillator continues to maintain its stability over a temperature range.The SIT9002AC-18H33ST can be used in a wide range of applications, from RF and microwave receiver circuits, to precision DSP and camera modules. The small size and programmability make it ideal for use in handheld devices and low-power applications. It is also widely used in mobile communications and satellite communication applications.In conclusion, the SIT9002AC-18H33ST is an ideal programmable oscillator that is suitable for a wide range of applications. Its small size and low power consumption makes it a great choice for handheld devices, while its high degree of accuracy and temperature stability makes it ideal for precision frequency applications.

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