EG-2121CA 312.5000M-LGPAL3

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	20mA
Height - Seated (Max):	0.055" (1.40mm)
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):	30mA
Operating Temperature:	0°C ~ 70°C
Series:	EG-2121CA
Voltage - Supply:	2.5V
Output:	LVDS
Function:	Enable/Disable
Frequency:	312.5MHz
Type:	SO (SAW)
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Oscillators are electrical circuits which produce repetitive types of waves. An oscillator is a circuit that performs a necessary task in electronics, such as producing a pulse train or a periodic waveform. The EG-2121CA 312.5000M-LGPAL3 oscillator is a particular model of high-performance, ultra-stable, voltage-controlled oscillator (VCO).

EG-2121CA 312.5000M-LGPAL3 Application Field and Working Principle

The EG-2121CA 312.5000M-LGPAL3 oscillator is used in industrial, commercial and automotive electronics; it is also applied in audio and video equipment, such as digital cameras and HDTVs. The extremely low phase noise of this oscillator is one of its main advantages-it ensures that signals remain stable and clean.The EG-2121CA 312.5000M-LGPAL3 has a power supply voltage of 1.2V to 6.2V and can operate from -30°C to +90°C; it is also capable of achieving stabilities down to 0.05ppm. It works using a Voltage Controlled Oscillator (VCO) design, which is based on a resonator-capacitor (LC) circuit.An LC circuit is a circuit that consists of an inductor and a capacitor, which are connected in series or in parallel. The resonator-capacitor (LC) circuit used in the EG-2121CA 312.5000M-LGPAL3 oscillator works by converting an input voltage into a current, which then charges the capacitor. The capacitor then discharges and causes the inductor to induce an oscillating current. This alternating current creates a sine wave, which is then used to create a stable frequency.The advantage of voltage controlled oscillators is that they can be adjusted to suit different applications by changing the parameters of the LC circuit. By changing the capacitance, inductance or input voltage, the designer can achieve the desired frequency. Furthermore, the range of operating voltage means that the oscillator can be used in most applications.

Conclusion

The EG-2121CA 312.5000M-LGPAL3 oscillator is a high-performance, ultra-stable voltage-controlled oscillator designed for industrial, commercial and automotive applications. It is based on a resonator-capacitor (LC) circuit and can achieve stabilities of 0.05ppm. It can be adjusted to suit different applications by changing the parameters of the LC circuit, and its wide operating voltage range makes it suitable for most applications.

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