Frequency Stability:	--
Current - Supply (Disable) (Max):	3.7mA
Height:	0.055" (1.40mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	--
Spread Spectrum Bandwidth:	-1.50%, Down Spread
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	--
Series:	SG-9101
Voltage - Supply:	1.62 V ~ 3.63 V
Output:	CMOS
Function:	Enable/Disable
Available Frequency Range:	670kHz ~ 170MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tube

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Programmable Oscillators: SG-9101CA-D15PGBCC Application Field and Working Principle

Programmable oscillators are some of the most versatile and sophisticated oscillators used in the electronics industry today. They combine the characteristics of both time-based and frequency tuned oscillators with the programmability of microprocessors to provide a wide range of adjustable parameters. Programmable oscillators are also known as digitally controlled oscillators, or DCOs. The SG-9101CA-D15PGBCC is a programmable oscillator manufactured by Sipex Corporation that offers a wide range of programmable parameters and capabilities. This oscillator modules are used in a variety of industrial and consumer applications where precise, adjustable frequency oscillator is required.

Application Fields

The SG-9101CA-D15PGBCC is used in a wide variety of applications, such as frequency synthesis, clock/timing generation and control, telecommunications, audio, video, instrumentation and test and measurement systems. In all these application, a precise and adjustable frequency oscillator is essential.For example, in telecommunications and datacom systems, the SG-9101CA-D15PGBCC can be used as a clock source, providing reliable and high stability to clocks that are required for data transmission and reception. In instrumentation systems, the SG-9101CA-D15PGBCC provides an adjustable frequency source to equipment that requires precise timing for data acquisition and waveform generation.

Components and Features

The SG-9101CA-D15PGBCC is a surface mountable device, containing two critical components: a waveform generator, and a frequency synthesiser. The waveform generator produces the basic waveform that is required, while the frequency synthesiser allows users to adjust the frequency output. The main features of the SG-9101CA-D15PGBCC are its high accuracy and stability. The SG-9101CA-D15PGBCC is capable of providing an accuracy of ±12 ppm over the 0°C to 70°C temperature range, and an accuracy of ±4 ppm over the -20°C to +85°C temperature range. It also provides an excellent phase noise in the range of -170 to -145 dBc/Hz at 100kHz offset, while also offering high stability over the full temperature range. Other features include a frequency range of 10KHz - 52MHz, a programmable output voltage of 0 - 3.3V, and a temperature range of 0°C - 70°C. The SG-9101CA-D15PGBCC also has the capability of maintaining its output signal in the presence of external noise and interference.

Working Principle

The working principle of the SG-9101CA-D15PGBCC is based on two main components: the waveform generator and the frequency synthesiser. The waveform generator produces the basic waveform that is required, while the frequency synthesiser allows users to adjust the frequency output. The waveform generator is based on an RC oscillator circuit and a phase-locked-loop (PLL) feedback mechanism which locks the oscillator frequency. The frequency output is then adjusted by adding and subtracting resistors over a short-term range to maintain the desired output frequency. The frequency synthesiser is based on a digital-to-analog (D/A) converter which is used to generate the desired frequency. A digital clock signal is used to provide clocking information and to control the frequency output by adjusting the D/A converter accordingly.The two components are integrated together into one module and are controlled by software, which allows the user to adjust the output frequency as needed. The SG-9101CA-D15PGBCC is also equipped with a serial interface which allows the user to control and monitor the device.

Conclusion

The SG-9101CA-D15PGBCC is a highly versatile programmable oscillator which offers the convenience of adjustable parametres and the stability and accuracy of both time-based and frequency tuned oscillators. This makes it a great choice for industries such as telecommunications, datacom, instrumentation and test and measurement, where precise frequency control and adjustment is required.

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