ASTMUPCFL-33-7.3728MHZ-EJ-E-T

Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	31mA
Height - Seated (Max):	0.032" (0.80mm)
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	36mA
Operating Temperature:	-20°C ~ 70°C
Series:	ASTMUPC
Voltage - Supply:	3.3V
Output:	LVCMOS
Function:	Enable/Disable
Frequency:	7.3728MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction
Oscillators can be categorized into various types depending on their fundamental characteristics and applications. ASTMUPCFL-33-7.3728MHZ-EJ-E-T is one such type of oscillator. This oscillator is designed to be employed in high reliability applications. This article will provide an overview of the oscillator, its application areas and working principle.
Application
The ASTMUPCFL-33-7.3728MHZ-EJ-E-T oscillator is designed for applications where reliability is critical. As such, the applications are mainly related to high-end communications equipment. This includes areas such as cellular, satellite and military communications, as well as instrumentation and navigation. The oscillator has also been successfully employed in waveform generators, clocks, signal generators, noise generators and other related applications.
Characteristics
The ASTMUPCFL-33-7.3728MHZ-EJ-E-T oscillator has a wide range of excellent electrical characteristics. It features low phase noise, a high signal-to-noise ratio, low jitter, and an excellent dynamic range. It is capable of outputting frequencies from 7.3728 MHz to 33 MHz and has a maximum output power of 10 dBm. The oscillator\'s frequency stability is ±10 ppm over an operating temperature range of -40°C to +85°C. The unit also has an output impedance of 50Ω and a power supply requirement of 3.3V. Additionally, it is available in a variety of packages such as a 3.2mm×2.5mm ceramic package, an 8-pin DIP ceramic package and an 18-pin DIP ceramic package.
Working Principle
The ASTMUPCFL-33-7.3728MHZ-EJ-E-T oscillator employs a Pierce oscillator design. In this design, AC signals are fed into a resonant circuit consisting of an inductor and capacitor. This circuit resonates at a specific frequency determined by the values of the components. Further, the AC signals create voltage nodes across the components to trigger the multivibrator and produce the required oscillations. The oscillator\'s feedback circuit ensures that the oscillations remain constant and stable. Conclusion
The ASTMUPCFL-33-7.3728MHZ-EJ-E-T oscillator is designed to fit high-reliability applications. It provides excellent electrical characteristics and is capable of outputting frequencies from 7.3728 MHz to 33 MHz. Additionally, it employs a Pierce oscillator design and employs a feedback circuit for stability. This oscillator is an ideal solution for applications that require precision frequency control.

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