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Product Detailed Parameters
- Description：VCO 238MHZ 1.5-3.5V 31.75X14.99
- Series：CRBV55, RedBox
- Mfr：Crystek Corporation
- Package：Tray
- Frequency Range：220 ~ 256MHz
- Frequency - Center：238MHz
- Voltage - Supply：5V
- Tuning Voltage (VDC)：1.5 V ~ 3.5 V
- 2nd Harmonic, Typ (dBc)：-15
- Icc Max：25mA
- Pushing (MHz/V)：0.5
- Power (dBm)：0 ±3
- Phase Noise Typ (dBc/Hz)：-113
- Operating Temperature：-40°C ~ 85°C
- Package / Case：Module Adapter, SMA F (3)
- Size / Dimension：1.250" L x 0.590" W (31.75mm x 14.99mm)
- Height：1.250" (31.75mm)
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Overview
The CRBV55CL-0220-0256 is a voltage-controlled oscillator (VCO) from the RedBox series by Crystek Corporation. It operates within a frequency range of 220 to 256 MHz, with a center frequency of 238 MHz. The device requires a tuning voltage between 1.5 and 3.5 VDC. Key electrical specifications include an output power of 0 ±3 dBm, a second harmonic level of -15 dBc, and a tuning sensitivity (Kvco) of 18 MHz/V. It functions reliably across an operating temperature range of -40°C to 85°C.
Feature Summary
- Voltage-controlled operation with defined tuning voltage range
- Center frequency specification at 238 MHz
- Integrated harmonic suppression capabilities
- Wide industrial temperature operational range
Applications
- RF signal generation in communication systems
- Frequency synthesis circuits
- Test and measurement equipment
- Wireless transceiver modules
Procurement Notes
Verify the specific part number against official Crystek documentation to ensure compatibility with system requirements. Confirm that the tuning voltage and frequency range align with design specifications. Check for any required accessory components or mounting hardware specified in the datasheet. Ensure environmental conditions meet the stated operating temperature limits during procurement planning.
Selection Notes
Select this component when a stable VCO with a 220-256 MHz range is required. Consider the 0 ±3 dBm output power for direct interface needs. Evaluate the 1.5-3.5 V tuning voltage against available control circuitry. Assess the -40°C to 85°C range against environmental constraints. Compare Kvco linearity if precise frequency modulation is critical.
Part Context
This model belongs to the CRBV55 RedBox series, designed for compact RF applications. It integrates oscillator functionality into a standardized package format. The series emphasizes reliability and consistent performance across varying temperatures. It serves as a core frequency source for various electronic systems requiring precise signal generation.
Replacement Considerations
Consult Crystek's official substitution guide for verified alternatives. Cross-reference frequency ranges and tuning voltages carefully. Ensure pinout compatibility if physical replacement is planned. Verify thermal characteristics match existing board designs.
FAQ
What is the tuning voltage range for this VCO?
The tuning voltage range is 1.5 to 3.5 VDC.
Does this component support industrial temperature operations?
Yes, it operates within a temperature range of -40°C to 85°C.
