CVCO55CL-0925-0970

Series:	CVCO55
Packaging:	Cut Strip
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Frequency Range:	925 ~ 970MHz
Frequency - Center:	947.5MHz
Voltage - Supply:	5V
Tuning Voltage (VDC):	0.5V ~ 4.5V
2nd Harmonic, Typ (dBc):	-15
Icc Max:	20mA
Pushing (MHz/V):	1.7
Power (dBm):	5 ±3
Phase Noise Typ (dBc/Hz):	-110
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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Voltage Controlled Oscillators

Voltage Controlled Oscillators (VCOs) are electronic components that generate a periodic signal at precise frequency and amplitude settings. The frequency and amplitude of the signal is controlled by a voltage source, making the VCO ideal for use in frequency control circuits. The CVCO55CL-0925-0970 is a VCO that operates in the 925 MHz to 970 MHz range, making it suitable for multi-GHz applications.

Preliminary Considerations

When designing a VCO circuit, the design engineer must consider a number of different parameters to ensure the circuit is optimized for the intended application. These parameters include the operating frequency, the number of output waves, the stability of the output, the noise immunity of the circuit, and the control characteristics of the VCO. It is important to select a VCO that is compatible with the intended application and offers the necessary performance levels.

The CVCO55CL-0925-0970

The CVCO55CL-0925-0970 is a wideband voltage-controlled oscillator (VCO) designed for applications operating in the 925 MHz to 970 MHz range. This VCO operates with a 7.5 volt bias voltage and and can be tuned to a minimum frequency of 925 MHz, a maximum frequency of 970 MHz, and a control voltage of 0 to 5 volts. The device’s envelope shape is a sinusoidal wave, and it has an output power of up to 6dBm. The VCO has a typical tuning sensitivity of 3.2 MHz/V, a maximum phase noise of -110 dBc/hz at 100 kHz offset and a typical linearity of -17 dBc.

Working Principle of the CVCO55CL-0925-0970

The CVCO55CL-0925-0970 operates on the same principle as all other VCOs – it generates an output signal that is proportional to an applied control voltage. The VCO is comprised of an amplifier, a phase detector, and an electronic filter. The amplifier is used to amplify the control voltage so that it can be effectively applied to the phase detector. The phase detector compares the phase of the input signal to the output signal and determines the amount of phase shift needed to accurately match the input signal. The phase shift is then applied to the output signal, adjusting its frequency. The amplified and phase-shifted signal is then filtered by an electronic filter that removes any unwanted or unnecessary signals and components from the output. The filtered signal is then used as the output of the VCO.

Application of the CVCO55CL-0925-0970

The CVCO55CL-0925-0970 is suitable for a wide range of multi-GHz applications, including communication systems, radar systems, and wideband transceiver systems. The VCO’s wide frequency range combined with its high stability, noise immunity, and linearity make it an ideal choice for many applications. The VCO can also be used as the local oscillator in a frequency synthesizer or as the reference oscillator in a delay locked loop.

Conclusion

Voltage controlled oscillators (VCOs) are important components in many electronic systems. The CVCO55CL-0925-0970 is a high-performance VCO that is well-suited for multi-GHz applications. The VCO operates on the same principle as all other VCOs – it uses an amplifier to amplify a control voltage, a phase detector to compare the phase of the input to the output, and an electronic filter to filter out unnecessary signals and components. The CVCO55CL-0925-0970 is ideal for systems such as communication systems, radar systems, and wideband transceiver systems.

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