The VNA-25 is a voltage variable attenuator (VVA) from Mini-Circuits, designed for precise signal control in a wide range of RF and microwave applications. It offers a substantial attenuation range, low insertion loss, and excellent linearity, making it ideal for gain control, signal leveling, and dynamic range optimization in communication and instrumentation systems.

Applications

• Automatic Gain Control (AGC) circuits
• Signal leveling in transmitters and receivers
• Dynamic range optimization in test equipment
• Power control in RF and microwave systems
• Radar Systems

Features

• Wide attenuation range (typically 25 dB)
• Low insertion loss (typically 1.3 dB)
• Excellent linearity
• Fast switching speed
• Small size and surface-mount package
• Operation from DC to 2.5 GHz

Benefits

• Precise and stable signal level control
• Improved signal-to-noise ratio
• Simplified circuit design
• Reduced component count
• High reliability and repeatability

Additional Details

The Mini-Circuits VNA-25 voltage variable attenuator operates from DC to 2.5 GHz and offers a typical insertion loss of 1.3 dB. It has a typical attenuation range of 25 dB, allowing for fine-grained control of the signal. The device's control voltage range is 0 to 5V. The VNA-25 is available in a compact surface-mount package that minimizes board space and facilitates automated assembly. It is designed for demanding environments. The VNA-25 allows for great flexibility in RF design.