SIT9005ACA2G-30DC

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:	-0.78%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SIT9005
Voltage - Supply:	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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Introduction to Programmable Oscillators

Programmable oscillators, also referred to as programmable frequency synthesizers, are essentially small frequency dependent processing elements that are used in a variety of applications. Oscillators are generally defined as a device which will produce a periodic electrical signal at a specific frequency. Programmable oscillators can vary in frequency incrementally or span several widely varying frequency ranges.Programmable oscillators come in various shapes, sizes, and types, depending on the specific application they are designed to fulfill. Some of the more well-known types of programmable oscillators include Voltage Controlled Oscillators (VCOs), ECL Phase Locked Loops (PLLs), Crystal Oscillators, and so on.

SIT9005ACA2G-30DC Programmable Oscillators

The SIT9005ACA2G-30DC is a programmable oscillator specifically designed for broad-band frequency generation applications. It is a compact programmable oscillator module capable of generating sine, square, and triangle waveforms in a wide frequency range from 10kHz to 30MHz. The SIT9005ACA2G-30DC has many features that make it suitable for a wide range of applications such as AM, FM and phase modulation, as well as clock and timing generation.

Application Field

The SIT9005ACA2G-30DC is a versatile, cost-effective and reliable programmable oscillator that has been designed for use in a variety of applications. The oscillator can be used in communications systems, audio and video applications, test and measurement equipment, military electronics, and other applications where a precise frequency is required.In the field of communications, the SIT9005ACA2G-30DC can be used as a modulation source in modulation transmitters such as radio, mobile radio and land mobile radio transmitters. It is also used in testing and measuring circuits, as well as in digital clocks and watches.In the field of audio/video applications, it can be used as a clock source for video recorders and digital synthesizers, as well as in other audio and video related applications.

Working Principle

The SIT9005ACA2G-30DC works on the principle of pulse width modulation (PWM). PWM is a method of controlling an analog circuit with a digital signal. In the case of the SIT9005ACA2G-30DC, PWM works by using a voltage controlled oscillator (VCO) to produce an analog output frequency that can be adjusted over a wide range.The SIT9005ACA2G-30DC uses a pulse code modulated (PCM) control voltage which is tuned by an external potentiometer. The PCM control voltage is adjusted, and this in turn is used to adjust the PWM duty cycle. The PWM duty cycle is then used to adjust the output frequency of the oscillator.

Conclusion

The SIT9005ACA2G-30DC is an ideal programmable oscillator for a wide range of applications, ranging from communication systems to audio/video applications. It works on the principle of pulse width modulation, wherein an externally adjusted PCM control voltage is used to adjust the PWM duty cycle which, in turn, adjusts the output frequency. In addition, the module is compact, cost-effective and reliable, making it a great choice for many applications.

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