531EB120M000DG

Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	75mA
Height - Seated (Max):	0.071" (1.80mm)
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):	121mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	--
Series:	Si531
Voltage - Supply:	2.5V
Output:	LVPECL
Function:	Enable/Disable
Frequency:	120MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Strip

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Oscillators: 531EB120M000DG Application Field and Working Principle

Oscillators are electronic components that generate a periodic waveform or assist in producing a periodic waveform. The 531EB120M000DG is a dual-frequency oscillator which features a highly stable quartz crystal resonator, for applications that require two fixed, stable frequencies. It is primarily used in a variety of measure & control type systems, consumer/industrial products, digital information, and telecommunications systems, to aid in frequency stability & timing accuracy.The 531EB120M000DG functions as a frequency-stabilizing oscillator, by creating a signal at two precise, fixed frequencies. These frequencies are determined by internal quartz crystal resonators, which separates them from frequency-controlled oscillators. This component is important in most communications, time & frequency systems, and frequency-stabilization applications which require sufficient levels of stability & accuracy. The operating principle of the 531EB120M000DG can be explained by discussing its construction. This oscillator contains two quartz crystal-based resonators which are interconnected between pins 8 & 9, as well as pins 4 & 5. Pin 8 is designated as the low frequency oscillator, and pin 4 is designated as the high-frequency oscillator. Both of these circuits are driven by a high-frequency CMOS oscillation circuit. This CMOS circuit generates an alternating TTL/CMOS logic-compatible output, which is identical to the frequency-controlled oscillator. The 531EB120M000DG oscillator works by having an alternating logic-compatible output that is sent to a crystal resonator. The resonator frequency is determined by a combination of capacitors and inductors, which affect the resonance frequency and reduces unwanted harmonics. The resonator then filters the alternating output, to create a clean, stable frequency. This frequency is then sent to the CMOS oscillator which produces the alternating, logic-compatible output. Additionally, the 531EB120M000DG also has a built-in amplifier to increase the output signal of the two frequencies. In summary, the 531EB120M000DG is a dual-frequency oscillator that primarily assists in applications that require two fixed, stable frequencies. Its design incorporates two quartz crystal-based resonators, that are interconnected between pins 8 & 9, and pins 4 & 5. The output of this oscillator is sent through a combination of capacitors and inductors, to create a clean, stable output, and then amplified before emitting a power signal. This oscillator is an invaluable asset to many measure & control type systems, consumer/industrial products, digital information and telecommunications systems.

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