CVCO55CC-4124-4238

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Voltage-controlled oscillators (VCOs) are a widely used type of oscillator whose frequency is controlled by an input voltage. The CVCO55CC-4124-4238 is one such VCO packaged in a 4x4mm QFN package. This VCO is designed to generate frequency ranges between 500MHz and 4.2GHz. It is widely used in various electronic devices and applications, such as wireless communications, mobile phones, wireless base stations, wireless LAN/WiFi, GPS/GALILEO navigation, cable TV/CATV/DBS, test instrumentation and military communication devices.

The CVCO55CC-4124-4238 is designed to work with a single supply voltage of 3.3V which eliminates the need for a separate negative supply. The frequency range of the VCO is precisely adjustable. The oscillator has a frequency range that is tunable over ±475MHz and a wide frequency tuning range of 15~95%. In addition, the VCO has a very low in-band phase noise at -115dBc/Hz at 10 kHz. This low phase noise allows signals to be transmitted over long distances without any loss in signal quality.

The output level of the CVCO55CC-4124-4238 is also adjustable via the RF-level control pin. The output level can be adjusted over a voltage range of -4 dBm to -12 dBm. The CVCO has a wide output impedance range of approximately 75-300 ohms. This allows for an optimized match when connecting to other devices within the system. The CVCO also has an integrated LDO (low-dropout regulator) that provides a stable operating voltage from the power supply. The supply voltage can range from 3V to 3.6V. It has an extremely low current consumption of only about 5 mA.

The working principle of the CVCO55CC-4124-4238 is based on the idea of using an external voltage or current to control its frequency. The VCO has two inputs. The first is a voltage control (VC) input, which is used to vary the frequency of the output signal. The second is a current control (IC) input, which is used to adjust the amplitude of the output signal. The combination of these two inputs allows the CVCO to generate a wide variety of frequencies with different waveforms and voltage amplitudes. The frequency is further adjusted by an internal feedback loop that ensures that the CVCO stays within its specified range.

The CVCO55CC-4124-4238 is widely used for various purposes, such as wireless communications, mobile phones, wireless base stations, wireless LAN/WiFi, GPS/GALILEO navigation, cable TV/CATV/DBS, test instrumentation and military communication devices. The VCO can also be used for frequency hopping and linear frequency modulation. Its low phase noise and wide frequency tuning range make it suitable for high frequency applications. Moreover, the low current consumption and wide output impedance range make it an ideal choice for battery operated applications.

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