Description
The 6dB 1W RF Fixed Attenuator is a high-performance microwave component designed to reduce the power of an RF signal by exactly 6dB, providing a precise 4:1 power reduction. With a 1-Watt power handling capacity, it is optimized for low-power signal conditioning in precision environments where signal integrity and a compact form factor are paramount. This model is engineered for an ultra-wide frequency spectrum from DC to 18GHz, making it an essential tool for Ku-band satellite links, radar systems, and advanced laboratory testing of high-speed wireless technologies.
The attenuator features an SMA Male to SMA Female inline configuration, utilizing high-quality connectors designed to maintain electrical stability at microwave frequencies. It is constructed with high-stability resistive elements that provide exceptional frequency flatness and a low Voltage Standing Wave Ratio (VSWR) even at the upper limits of its 18GHz range. Housed in a ruggedized stainless steel or passivated brass body, it ensures superior durability and shielding, maintaining consistent attenuation accuracy across varying thermal and mechanical conditions.
Key Technical Advantages
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Ultra-Wide 18GHz Bandwidth: Provides a versatile solution for microwave applications, maintaining precision from DC through the Ku-band spectrum.
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Precise 6dB Power Reduction: Delivers a reliable four-fold power reduction, essential for balancing signal levels and protecting high-frequency test ports from saturation.
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Superior Microwave Performance: Engineered with high-stability resistive materials to ensure minimal signal distortion and exceptional frequency flatness at 18GHz.
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Low VSWR and Return Loss: Precision-machined internals minimize signal reflections, protecting sensitive signal sources and ensuring measurement accuracy in high-frequency chains.
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Ruggedized Construction: Features high-grade SMA connectors with gold-plated center contacts for low contact resistance and maximum longevity in demanding test environments.
Key Features
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Interface Type: SMA Male (Plug) to SMA Female (Jack).
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Attenuation Value: 6dB (Fixed).
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Power Rating: 1 Watt (Continuous).
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Frequency Range: DC – 18.0 GHz.
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Impedance: 50 Ohm (Standard).
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Construction: Stainless Steel or Passivated Brass with PTFE dielectric.
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Common Application: Microwave laboratory testing, satellite communication systems, radar equipment, and Ku-band signal conditioning.
Technical Summary
| Parameter | Specification |
| Impedance | 50 Ohm (Nominal) |
| Frequency Range | DC – 18 GHz |
| Attenuation Accuracy | ±0.5 dB to ±0.8 dB |
| VSWR | ≤ 1.35:1 (Typical at 18 GHz) |
| Max Input Power | 1 Watt (Average) |
| Peak Power | 25 Watts (5µs pulse width) |
| Operating Temp | -55°C ~ +125°C |






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