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Product Detailed Parameters
- Description：VCO 350MHZ 0.3-4.7V 12.7X12.7MM
- Series：CVCO55
- Mfr：Crystek Corporation
- Package：Strip
- Frequency Range：250 ~ 450MHz
- Frequency - Center：350MHz
- Voltage - Supply：5V
- Tuning Voltage (VDC)：0.3 V ~ 4.7 V
- 2nd Harmonic, Typ (dBc)：-15
- Icc Max：12mA
- Pushing (MHz/V)：3
- Power (dBm)：0 ±3.5
- Phase Noise Typ (dBc/Hz)：-96
- 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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Overview
The CVCO55CW-0250-0450 is a voltage-controlled oscillator from the Crystek CVCO55CW series, designed for wideband applications. It operates within a frequency range of 250 MHz to 450 MHz. The device utilizes a 0.50-inch square surface-mount package. It supports a control voltage range of 0.5 V to 10.5 V. The output power is typically specified around 7 dBm. This component is engineered to provide low phase noise and low harmonic distortion, meeting requirements for frequencies from 50 MHz up to 4.25 GHz in the broader series context.
Feature Summary
- Designed for wideband applications with bandwidths as wide as an octave
- Engineered to deliver low phase noise performance
- Constructed with low harmonic distortion characteristics
- Utilizes a compact 0.50-inch square surface-mount package
Applications
- Wideband communication systems
- Frequency synthesis circuits
- Test and measurement equipment
- Radio frequency signal generation
Procurement Notes
Verify the specific part number CVCO55CW-0250-0450 against official Crystek Corporation datasheets to confirm electrical parameters. Ensure compatibility with system voltage requirements and frequency specifications. Cross-reference package dimensions and pinout configurations with design constraints. Confirm that the wideband characteristics align with application needs. Request manufacturer documentation for precise phase noise and output power values.
Selection Notes
Select this component when wide bandwidth coverage between 250 MHz and 450 MHz is required. Consider the 0.5 V to 10.5 V control voltage range for interface compatibility. Evaluate the need for low phase noise and low harmonics in the target application. Assess the suitability of the surface-mount package for PCB layout. Compare against other CVCO55 series variants if different bandwidth or frequency ranges are needed.
Part Context
The CVCO55CW-0250-0450 belongs to the CVCO55CW series by Crystek Corporation, specialized for wideband operations. This series covers frequencies from 50 MHz to 4.25 GHz. Other variants include CVCO55BE for high frequency, CVCO55BH for ultra-high frequency, CVCO55CC for coaxial resonator applications, CVCO55CL for narrow band, CVCO55CM for extra modulation port, and CVCO55CXT for coax frequency doubling. The CW designation specifically indicates wideband capability.
Replacement Considerations
Direct substitutes within the same family include CVCO55CW-0200-0500 and CVCO55CW-0140-0250, which share the wideband design philosophy. Verify frequency overlap and control voltage compatibility before substitution. Consult official Crystek documentation for exact parameter matching.
