637E156G5I3T Allicdata Electronics
Allicdata Part #:

637E156G5I3T-ND

Manufacturer Part#:

637E156G5I3T

Price: $ 2.34
Product Category:

Crystals, Oscillators, Resonators

Manufacturer: CTS-Frequency Controls
Short Description: OSC XO 156.26953MHZ LVPECL SMD
More Detail: 156.26953MHz XO (Standard) LVPECL Oscillator 3.3V ...
DataSheet: 637E156G5I3T datasheet637E156G5I3T Datasheet/PDF
Quantity: 1000
1000 +: $ 2.10564
Stock 1000Can Ship Immediately
$ 2.34
Specifications
Series: 637
Packaging: Tape & Reel (TR) 
Part Status: Active
Base Resonator: Crystal
Type: XO (Standard)
Frequency: 156.26953MHz
Function: Enable/Disable
Output: LVPECL
Voltage - Supply: 3.3V
Frequency Stability: ±25ppm
Operating Temperature: -40°C ~ 85°C
Current - Supply (Max): 88mA
Ratings: --
Mounting Type: Surface Mount
Package / Case: 6-SMD, No Lead
Size / Dimension: 0.276" L x 0.197" W (7.00mm x 5.00mm)
Height - Seated (Max): 0.079" (2.00mm)
Current - Supply (Disable) (Max): --
Description

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Oscillators are essential circuit components for many electronic systems. They are widely used in radar, communication, instrumentation, control and many other fields. 637E156G5I3T oscillators are widely used in these application fields. 637E156G5I3T oscillator is a highly efficient, multifunctional, ultra-low power oscillator with low jitter and low noise.

The 637E156G5I3T oscillator is typically composed of an external voltage source, oscillator circuit, frequency selector, compensation circuit and other components. Depending on the application, different configurations of the 637E156G5I3T oscillator can be used to meet the output requirements. The working principle of the 637E156G5I3T oscillator is based on the working of an RC network and the operation of an amplifier.RC network is a linear, passive network consisting of resistors and capacitors connected in series or parallel.It is used to generate some type of periodic, repetitive waveforms.The RC network may be a low-pass or high-pass filter or a combination of both.A single-stage 637E156G5I3T oscillator includes a capacitor and a resistor connected in series.The frequency at which the voltage across the capacitor reverses is determined by the RC time constant. When a capacitor is connected to a constant voltage source, the current flowing through the resistor must tend to zero, as the capacitor is charged to its full capacity. This in turn produces a positive feedback loop in the oscillator.When such feedback loop is established, the capacitor starts to oscillate, producing a waveform at the output of the oscillator.

The functioning of a 637E156G5I3T oscillator is based on positive feedback mechanism; each cycle causes the current to flow in the opposite direction to the last cycle, thus leading to a constant reverse polarity, as per the output waveform. It follows a set of steps depending on the type of oscillator like voltage controlled oscillator (VCO), current-controlled oscillator (CCO), and resonator-controlled oscillator (RCO).

In addition to the above-mentioned properties, the 637E156G5I3T oscillator also has a frequency selec- tion, temperature compensation , and hold current control circuit, all of which serve to improve the performance of the oscillator under different environmental conditions. The frequency selection circuit provides a wide range of output frequencies, and the temperature compensation circuit helps to reduce phase noise by compensating the frequency variation caused by temperature change. The hold current control, on the other hand, helps to reduce the jitter of the waveform.

To recapitulate, 637E156G5I3T oscillators are highly efficient, multifunctional, ultra-low power oscillators with low jitter and low noise, ideal for a wide range of applications. 637E156G5I3T oscillator works on the principle of positive feedback mechanism. The frequency of the output waveform is determined by the RC time constant and is greatly affected by the external voltage source. Furthermore, the 637E156G5I3T oscillator includes frequency selection, temperature compensation, and hold current control systems, enabling it to perform optimally under various environmental conditions.

The specific data is subject to PDF, and the above content is for reference

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