CVCO55CC-2850-3210 Crystals, Oscillators, Resonators

Series:	CVCO55
Packaging:	Cut Strip
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Frequency Range:	2850 ~ 3210MHz
Frequency - Center:	3030MHz
Voltage - Supply:	8V
Tuning Voltage (VDC):	0.5V ~ 14V
2nd Harmonic, Typ (dBc):	-15
Icc Max:	35mA
Pushing (MHz/V):	0.6
Power (dBm):	5 ±3
Phase Noise Typ (dBc/Hz):	-103
Operating Temperature:	-40°C ~ 85°C
Package / Case:	16-QFN, Variant
Size / Dimension:	0.500" L x 0.500" W (12.70mm x 12.70mm)
Height:	0.220" (5.59mm)

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Introduction to VCOs (Voltage Controlled Oscillators)

Voltage Controlled Oscillators (VCOs) are electronic components, which generate an output signal that is proportional to an input voltage. They have wide application fields in a variety of areas, especially in radio frequency (RF) applications. VCOs are typically used for their relatively high frequency range, which can be easily changed by the input voltage.

CVCO55CC-2850-3210 Application Field and Working Principle

The CVCO55CC-2850-3210 is a type of Voltage Controlled Oscillators (VCOs), which can be used in many different application fields, such as communication systems, vehicular radar and embedded mobile systems. This particular VCO operates within 2.6GHz to 3.2GHz frequency range, with very low phase noise. The main feature of this VCO is the high stability frequency and the ability to be tuned over a wide range of frequencies.The CVCO55CC-2850-3210 is simple in design and low cost. It comprises of two main parts: a phase detector, which is responsible for detecting phase differences and producing an error voltage; and a voltage controlled oscillator, which is responsible for generating the output frequency. The CVCO55CC-2850-3210 employs a loop filter circuit and two varactor diodes to achieve the desired tuning range and linearity.The range at which this VCO can be tuned is determined by the range over which the voltage of the two varactor diodes can be varied. When the voltage is low, the diodes minimize the capacitance of the oscillator, resulting in a low frequency output. Similarly, when the voltage is high, the diodes increase the capacitance of the oscillator, resulting in a higher frequency output.The loop filter circuit determines the quality and stability of the output signal. It integrates the error voltage produced by the phase detector, and provides a more stable voltage source to the varactor diodes. The loop filter also filters out signals so as to prevent any interference from external sources.

Conclusion

The CVCO55CC-2850-3210 is a technically advanced VCO, with excellent output frequencies and low phase noise. Its wide range of application fields include communication systems, vehicular radar and embedded mobile systems. The simple design of this VCO and the two varactor diodes enable the oscillator to be easily tuned over a wide range of frequencies. The loop filter circuit improves the stability and quality of the output signal by filtering out noise from external sources.

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