VAT-7A+

Overview

The VAT-7A+ is a fixed attenuator from Mini-Circuits designed for RF and microwave applications. It provides a nominal attenuation of 7 dB with an accuracy of ±0.3 dB. The device operates over a wide frequency range from DC to 6 GHz (6000 MHz). It features a 50 Ohm impedance and utilizes SMA connectors in an in-line module package. The component supports an input power of up to 1.3 Watts, with a maximum rating of 2 Watts. Typical VSWR ranges from 1.20:1 to 1.45:1.

Feature Summary

• Wideband operation covering DC to 6 GHz
• Fixed 7 dB attenuation with high accuracy
• 50 Ohm impedance matching
• SMA male and female connector options

Applications

• RF signal level adjustment
• Microwave circuit testing
• Signal conditioning in communication systems
• Attenuation in measurement setups

Procurement Notes

Verify the specific connector configuration (male or female) required for your application, as datasheets indicate both options may be available within the series. Confirm the exact attenuation tolerance and power handling requirements against your system design specifications before ordering. Ensure compatibility with standard SMA interfaces.

Selection Notes

Select the VAT-7A+ when a precise 7 dB reduction is needed across a broad bandwidth up to 6 GHz. Consider its 50 Ohm impedance for standard RF systems. Evaluate the 1.3 W power handling against peak signal levels. Compare VSWR performance if reflection sensitivity is critical in the design.

Part Context

This component belongs to Mini-Circuits' line of fixed attenuators, which are essential passive devices for controlling signal strength. The VAT-7A+ specifically offers a mid-range attenuation value suitable for various RF stages. It complements other components like amplifiers and mixers by managing signal levels to prevent overload or optimize dynamic range.

Replacement Considerations

The VAT-7+ serves as a related model offering 10 dB attenuation. When substituting, verify that the difference in attenuation value (7 dB vs 10 dB) aligns with the system's gain/loss budget. Both share similar frequency ranges and impedance characteristics.