VG-4231CE 25.1658M-CQEM Allicdata Electronics
Allicdata Part #:

VG-4231CE25.1658M-CQEM-ND

Manufacturer Part#:

VG-4231CE 25.1658M-CQEM

Price: $ 1.15
Product Category:

Crystals, Oscillators, Resonators

Manufacturer: Epson
Short Description: OSC VCXO 25.1658MHZ CMOS SMD
More Detail: 25.1658MHz VCXO CMOS Oscillator 1.8V 4-SMD, No Le...
DataSheet: VG-4231CE 25.1658M-CQEM datasheetVG-4231CE 25.1658M-CQEM Datasheet/PDF
Quantity: 1000
100 +: $ 1.03194
Stock 1000Can Ship Immediately
$ 1.15
Specifications
Series: VG-4231CE
Part Status: Active
Base Resonator: Crystal
Type: VCXO
Frequency: 25.1658MHz
Function: --
Output: CMOS
Voltage - Supply: 1.8V
Frequency Stability: ±30ppm
Absolute Pull Range (APR): ±80ppm
Operating Temperature: -20°C ~ 70°C
Current - Supply (Max): 1.2mA
Ratings: --
Mounting Type: Surface Mount
Package / Case: 4-SMD, No Lead
Size / Dimension: 0.126" L x 0.098" W (3.20mm x 2.50mm)
Height - Seated (Max): 0.047" (1.20mm)
Current - Supply (Disable) (Max): --
Description

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Introduction to VG-4231CE 25.1658M-CQEM Oscillators

Oscillators are electronic circuits which generate a periodic, oscillating signal, commonly a sine wave or a square wave. They are used as building blocks in a variety of electronic systems, including communication systems, signal processing applications and control systems. VG-4231CE 25.1658M-CQEM is a type of oscillator that is mainly used in mobile communication systems.

Application Field of VG-4231CE 25.1658M-CQEM Oscillators

VG-4231CE 25.1658M-CQEM oscillators are used in handheld communication devices like cell phones, satellite phones and PDAs. These devices require a reliable oscillator for frequency stability and low-jitter generation during operation. VG-4231CE oscillators are the most common type used in these devices due to their highly stable frequency operation, low power consumption and excellent jitter performance.VG-4231CE 25.1658M-CQEM oscillators are also used in Wi-Fi and other wireless communication systems. These systems require a reliable frequency source for modulation, demodulation and synchronization of signals. VG-4231CE oscillators provide excellent frequency stability and low power consumption, making them ideal for use in these applications.

Working Principle of VG-4231CE 25.1658M-CQEM Oscillators

VG-4231CE 25.1658M-CQEM oscillators are based on a Ring-VCO (voltage controlled oscillator) principle. The oscillator is composed of a voltage variable capacitor (VVC) and an RC circuit. The VVC provides the oscillator with its frequency control capability. A capacitor stores energy in the form of an electrostatic charge, and the VVC is used to dynamically control the value of this charge. The RC circuit is composed of a resistor and a capacitor, and this forms a low pass filter. This filter works by passing low frequency signals but attenuating or blocking high frequency signals. The VVC and the RC circuit work together to generate a stable oscillation at the desired frequency. When the voltage across the VVC is increased, this increases the electrostatic charge stored in the capacitor, which in turn causes an increase in the oscillation frequency. The resistance of the RC circuit also has a direct effect on the frequency of oscillation. When the resistor is increased, the frequency of oscillation decreases, and vice versa.

Conclusion

VG-4231CE 25.1658M-CQEM oscillators are used in a variety of electronic applications, including mobile phones, Wi-Fi systems and other wireless communication systems. They are based on a Ring-VCO principle, and use a voltage variable capacitor and an RC circuit to generate a stable oscillation at the desired frequency. They provide excellent frequency stability and low power consumption, making them ideal for use in these applications.

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

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