SIT9005ACR1G-30EP

Frequency Stability (Total):	--
Current - Supply (Disable) (Max):	6.5mA
Height:	0.030" (0.76mm)
Size / Dimension:	0.098" L x 0.079" W (2.50mm x 2.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	6.5mA
Spread Spectrum Bandwidth:	-4.28%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Series:	SIT9005
Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Voltage - Supply:	3V
Output:	LVCMOS
Function:	Enable/Disable
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: SIT9005ACR1G-30EP Application Field & Working PrincipleProgrammable oscillators are electronic devices that generate electrical signals that vary in frequency over time in a predetermined manner. Oscillators can be used in various applications in many fields such as Radar, computers, communications and linear control systems. The SIT9005ACR1G-30EP is a programmable oscillator from Silicon Labs designed for specific applications such as timing and synchronization of data streams or for base band applications. This article examines the application field and workings of the SIT9005ACR1G-30EP.The SIT9005ACR1G-30EP is a programmable oscillator that provides a wide range of output signals for various applications. It has the ability to operate over a frequency range of 0.3MHz to 30MHz and output a 25% duty cycle square wave. With its frequency range, the SIT9005ACR1G-30EP can be used in many applications such as telecom applications, base band applications and also timing and synchronization of data streams. The SIT9005ACR1G-30EP is a programmable oscillator incorporated with internal frequency dividers and phase-locked loop technologies. The processor contains an output buffer circuit and a frequency synthesizer circuit which together provide the basis for the oscillator’s operation. The frequency synthesizer is a digital control circuit that provides a given output signal based on programming parameters given to it from a user. The output buffer circuit provides a low impedance analog output drive for the synthesizer\'s digitally-controlled signals and is designed to produce a clean, sine-wave shaped outputs with low noise.The SIT9005ACR1G-30EP\'s phase-locked loop is a primary component of the oscillator\'s frequency synthesizer circuit. It accomplishes this by locking its output signal to one of its inputs and then providing a tunable frequency from that single tuned reference signal. The PLL circuit consists of a voltage controlled oscillator (VCO), a charge pump, and a phase-frequency detector (PFD). When a signal is given to the PLL, the loop gain of the VCO is adjusted to match the signal and the oscillator will track the input signal by changing the voltage of the VCO. The PFD compares the phase and frequency of the signal to the signal given to the PLL. The charge pump will make minor tuning adjustments to the VCO in order to match the input signal.The SIT9005ACR1G-30EP is a programmable oscillator that can be used in many applications due to its wide range of output signals and its frequency synthesizer circuit. It is designed with an internal frequency divider and a phase-locked loop for frequency synthesis. The PLL allows for a wide range of output frequencies from 0.3MHz to 30MHz and provides a mean for a clean and low noise output drive. It is a great choice for applications such as telecom, base band and data streaming applications.

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