SG-8101CG-TJHSC

Frequency Stability:	--
Current - Supply (Disable) (Max):	2.5µA
Height:	0.032" (0.80mm)
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):	8.1mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-40°C ~ 105°C
Frequency Stability (Total):	±50ppm
Series:	SG-8101
Voltage - Supply:	1.62 V ~ 3.63 V
Output:	CMOS
Function:	Standby
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:	Tape & Reel (TR)

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Programmable Oscillators refers to a family of oscillator and timer devices that are programmable, allowing changes in frequency and output voltage. They are also frequently referred to as configurable oscillators, programmable clock oscillators, and adjustable frequency oscillators. The SG-8101CG-TJHSC is such a device.The SG-8101CG-TJHSC programmed logic oscillator (PLO) is designed to provide a user-defined output frequency on either of its outputs. The SG-8101CG-TJHSC requires an input voltage in the range of 2.25V to 3.63V and provides output frequencies in the range of 125 kHz to 500 MHz. It is a double-sided device with fully programmable outputs on both sides.Programmable oscillators such as the SG-8101CG-TJHSC are used in many kinds of electronic applications, including wireline and wireless communication systems such as cellular base stations, mobile handsets, and satellite systems. They are also used in medical instrumentation, and industrial automation and control systems. In fact, the SG-8101CG-TJHSC was specifically designed for use in the cellular industry, which often requires the precise frequency output for active component control.The working principle of a programmable oscillator is based on the same principle used in conventional oscillators – a feedback mechanism that produces a continuous electrical signal. In the case of a programmable oscillator, the output frequency is controlled by the user-defined control word written to external registers. The output frequency of the oscillator is then programmed from this external register.The frequency adjustment range of a programmable oscillator is typically limited to the fundamental and harmonic frequencies of the device. For larger frequency adjustment ranges, additional components are usually required, such as an external voltage-controlled oscillator (VCO). These components allow the frequency span to exceed the device’s range by multiplying or dividing the output frequency by a certain factor.The SG-8101CG-TJHSC performs fractional-N synthesis in order to generate many frequencies within the specified range, utilizing a single frequency reference. It also has a programmable power output buffer to produce either a 3.3V CMOS output, or a 0 to 5V linear output. It provides a power-down mode for low-power applications, and the devices can be connected in a multiple-output configuration for more complicated circuitry.High-performance, low-jitter, and advanced features have made programmable oscillators such as the SG-8101CG-TJHSC popular for use in many communications systems. The SG-8101CG-TJHSC has been extensively tested for use in communications equipment and meets the requirements for most applications.Given the wide range of available features and the range of output frequencies that programmable oscillators such as the SG-8101CG-TJHSC can provide, they are extremely versatile and can be used in a variety of applications. From cellular and other communication systems, to medical instrumentation, and industrial automation and control, the use of programmable oscillators has become commonplace. They provide consistent frequency output and are relatively inexpensive, making them the ideal choice for many applications.

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