CVCO55CW-0250-0500

Series:	CVCO55
Packaging:	Cut Strip
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Frequency Range:	250 ~ 500MHz
Frequency - Center:	375MHz
Voltage - Supply:	15V
Tuning Voltage (VDC):	0.5V ~ 19V
2nd Harmonic, Typ (dBc):	-8
Icc Max:	15mA
Pushing (MHz/V):	1.5
Power (dBm):	0 ±3
Phase Noise Typ (dBc/Hz):	-101
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:	0.150" (3.81mm)

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Introduction to VCOs

Voltage Controlled Oscillators (VCOs) are electronic circuits that produce a periodic output that is dependent on an input voltage. They are commonly used in a variety of applications, such as modulating signals, synthesizing signals, and frequency shifting. VCOs are typically categorized into three primary types: linear VCOs, phase-locked-loop (PLL) VCOs, and sub-harmonic VCOs. Each type has its own specific design, characteristics, and application.

The CVCO55CW-0250-0500

The CVCO55CW-0250-0500 is a PLL VCO designed for use in communication, instrumentation, and control systems. It features wideband operation with a frequency range of 250 MHz to 500 MHz, low phase noise, and low jitter. This makes it a good choice for applications requiring frequency stability and low harmonic distortion. The device also has a PLL circuit, which works by locking the output frequency to the reference frequency.

The Application Field of CVCO55CW-0250-0500

The CVCO55CW-0250-0500 can be used in a variety of applications, including modems, cellular phones, radios, and satellite communications. It is also widely used in broadcast video and audio systems, as well as in medical and consumer electronics applications. Additionally, the device can be used to generate output frequencies that are used for radar and sonar scanning, for ultrasonic testing, for timekeeping and synchronization, and for frequency hopping in communication systems.

Working Principle of CVCO55CW-0250-0500

The working principle of the CVCO55CW-0250-0500 is based on a PLL circuit. The device has an oscillator section, a reference section, and a feedback section. When the output voltage of the oscillator section is greater than the reference voltage, the feedback section will reduce the output voltage in order to maintain an equilibrium. In the opposite case, the feedback section will increase the output voltage. The output frequency is determined by the ratio between the output and reference voltages. The oscillator section is composed of an oscillator core, an oscillator divider, and a voltage controlled filter. The oscillator core is the heart of the device, which generates an initial square wave signal. The output of the oscillator core is then divided down by the oscillator divider to a frequency range depending on the application. The output of the oscillator divider is the input to the voltage controlled filter. This filter can adjust the cut-off frequency of the signal, depending on the input voltage.

Conclusion

The CVCO55CW-0250-0500 is a PLL voltage controlled oscillator designed for a multitude of applications. It is widely used in communication, instrumentation, and control systems, as it is able to generate and maintain stable frequencies for a variety of uses. Its output frequency is determined by the ratio between the output and reference voltages. Its oscillator section consists of an oscillator core, oscillator divider, and voltage controlled filter which can be used to adjust the cut-off frequency of the signal.

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