550BE148M352DGR

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):	108mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	±25ppm
Series:	Si550
Voltage - Supply:	3.3V
Output:	LVDS
Function:	Enable/Disable
Frequency:	148.352MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators

An oscillator is an electronic or electro-mechanical device that generates a precise frequency or voltagein response to an input signal. The most common types of oscillators include the Gilbert cell, Wien bridge, harmonic oscillators, crystal oscillators, ring oscillators, and voltage-controlled oscillators (VCOs). This article focuses on the specific oscillator, the 550BE148M352DGR, and explores its application field and working principle.The 550BE148M352DGR oscillator is a voltage-controlled oscillator used for synthesizing and adjusting the output frequency range. It is ideal for applications needing low phase noise and frequency stability operations as it offers superior performance in terms of frequency control. It supports a wide range of frequencies from 750 kHz to 2,870 MHz.It also offers adjustable tuning circuitry which allows the user to set the desired frequency precisely.The operating theory of the oscillator is based on the introduction of a control voltage into a voltage-controlled amplifier (VCA), which allows the frequency and amplitude of the oscillator output to be adjusted. This is achieved through the use of a feedback loop in which the output of the oscillator is used as the input and the amplitude of the output is varied according to the control voltage.The main components of this oscillator are the VCA, the amplifier, the capacitors and the resistors used to filter the output signal. The VCA is the main component of the oscillator and controls the frequency and amplitude of the signal. It consists of an amplitude control transistor, a voltage-controlled amplifier and a feedback circuit. The feedback circuit consists of two resistors and two capacitors arranged in the form of a voltage divider. The feedback loop creates an oscillation with the amplitude and frequency determined by the amplitude control transistor and the voltage-controlled amplifier.The 550BE148M352DGR oscillator is used in a wide range of applications, such as wireless communications, medical devices, and automotive electronics. In wireless communications, it is used to provide an accurate reference frequency for GPS receivers, radio transmitters, and base stations. In medical applications, it is used for providing accurate pulse signals necessary for controlling a variety of diagnostics equipment. Finally, in automotive electronics it is used for frequency control of vehicle stability control systems and temperature sensing equipment.In conclusion, the 550BE148M352DGR is an ideal oscillator for applications requiring low phase noise and frequency stability. It offers adjustable tuning circuitry which is beneficial for setting precise frequencies and is composed of a VCA, amplifier, resistors, and capacitors. It is typically used for wireless communications, medical applications, and automotive electronics.

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