SIT8009BIF21-33N

Frequency Stability (Total):	±20ppm
Current - Supply (Disable) (Max):	4.2mA
Height:	0.032" (0.80mm)
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):	7.5mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-40°C ~ 85°C
Series:	SiT8009B
Frequency Stability:	±20ppm
Voltage - Supply:	2.97 V ~ 3.63 V
Output:	HCMOS, LVCMOS
Function:	--
Available Frequency Range:	115MHz ~ 137MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active

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Programmable Oscillators

Programmable oscillators are electronic devices that can be used to generate a wide range of frequency signals for various applications. They can be programmed to create frequency ranges from a few kilohertz to over one gigahertz and have a wide range of uses in industrial, medical, consumer and laboratory applications.The SIT8009BIF21-33N is an example of a programmable oscillator. It is a programmable differential output oscillator with CMOS output, operating in the frequency range of 8.0GHz to 12.3GHz. It is well suited for applications such as Radio Frequency Identification (RFID), Wi-Fi, WiMAX, GPS and other wireless communication systems. The SIT8009BIF21-33N is a singly-tuned system, meaning it behaves as if it were a single, basic oscillator with adjustable parameters. The user has the option of setting the minimum centre/mid-band frequency and maximum span to achieve the desired frequency range. The oscillator can then be commanded to generate a specific frequency within the range by writing a value to its programming register.The SIT8009BIF21-33N is based on a voltage-controlled oscillator (VCO). The VCO consists of an adjustable resonant circuit and a voltage-controlled oscillator. The resonant circuit has a high-Q factor (amount of energy stored/dissipated by the oscillator) and is driven by a metal-oxide semiconductor Field Effect Transistor (MOSFET). This combination enables the SIT8009BIF21-33N to generate high frequency signals in a wide range of operating conditions. The SIT8009BIF21-33N also includes a range of digital control features, such as the Programmable Frequency Divider (PFD), the Digital Phase-Locked Loop (DPLL) and the Serial Output (SPI) interface. The PFD enables the user to adjust the device\'s output frequency by setting a frequency divider ratio. The DPLL allows the user to dynamically adjust the frequency without having to manually reset the device\'s values. The SPI interface allows the device to be operated in a remote configuration, making it suitable for use in applications that require remote control of their oscillator parameters. The SIT8009BIF21-33N provides a high level of precision in its output signals, with excellent phase noise and harmonic performance. This makes it well-suited for applications in communications and telecommunications, data acquisition, test and measurement, medical imaging and other high-precision applications. In summary, the SIT8009BIF21-33N is a versatile programmable oscillator that can generate a wide range of frequency signals for various applications. Its high-Q factor resonant circuit, voltage-controlled oscillator, PFD, DPLL and SPI interface all combine to provide a high level of precision and reliability that makes it ideal for high-precision applications.

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