SIT3822AI-2D-25NY

Frequency Stability:	±10ppm
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):	55mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	--
Series:	SiT3822
Voltage - Supply:	2.5V
Output:	LVDS
Function:	--
Available Frequency Range:	220MHz ~ 625MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	VCXO
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Bulk

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Programmable Oscillators

Programmable oscillators are electronic devices which custom generate a variety of on-demand frequencies and environmental parameters. The SIT3822AI-2D-25NY is a member of the Knowles Programmable Oscillators (KPO) portfolio. It offers both dynamic frequency range (80 kHz - 22 GHz) as well as a wide range of options including a variety of package types.The SIT3822AI-2D-25NY oscillator features a wide range of output voltage levels, selectable frequency-temperature stability, frequency tuning range and other environmental parameters. It has a low harmonics spectrum and a fast settle time allowing for high-speed switching between input and output frequency settings. The SIT3822AI-2D-25NY also offers an optional low power mode which provides improved power efficiency and lower operating temperature.The KPO programming system allows customers to tailor their oscillator to meet their exact requirements. By providing an adjustable output amplifier, users can define the amplitude of their signal, as well as the voltage level and its peak-to-peak. Additionally, frequency tuning range can be adjusted from 0.2 to 10 MHz.The operating principle of a Programmable Oscillator is the same regardless of the type or model. The voltage controller oscillator (VCO) provides the basicClock signal. VCO’s have certain characteristics that determine the output frequency. The device needs to be programmed in order to provide a specific output frequency range and stability. The oscillator has an internal digital counter, a divider and an adjustable amplifier. The Digital Counter is loaded with the desired output frequency settings. This digital counter output is then applied to the Divider which divides the incoming frequency by a set of integers, allowing the user to determine the overall frequency that would be output by the oscillator. The adjustable amplifier helps to adjust the overall voltage level of the output signal. It helps to control the amplitude of the output, which is especially important when there is a requirement of very low or very high levels of output. The SIT3822AI-2D-25NY programmable oscillator thus allows users to select the parameters they require such as frequency, voltage, stability and tuning range. By taking advantage of the programmable oscillator’s design, users can maximize their system performance and reduce the risk of failure or equipment downtime. From telecommunications and data communications, to medical or industrial applications, the SIT3822AI-2D-25NY can provide the exact solution needed. The general operation of the SIT3822AI-2D-25NY programmable oscillator consists of three main stages. These are setting the divider and digital counter, setting the frequency and finally setting the output level.The first stage involves setting the digital counter and the divider which determine the output frequency. This is done by inputting the desired frequency into the counters and the divider. The counters are either set up with zero or set up with the desired frequency depending on the application. The divider is then used to divide the incoming frequency according to the user\'s requirements. The second stage involves setting the frequency. This involves setting the internal VCO frequency and the crystal oscillator depending on the application.The third stage involves setting the output level. This involves adjusting the amplitude of the output. This is done by adjusting the adjustable amplifier in order to get the exact voltage level required for the application.In conclusion, the SIT3822AI-2D-25NY programmable oscillator is a highly flexible and reliable device that is ideal for applications requiring precision frequency synthesis. It offers adjustable output levels, frequency and temperature stability and a wide range of package types. The Programmed Oscillator is designed to meet modern industry needs and is suitable for both data communications and medical and industrial applications.

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