Description
The 1dB 1W RF Fixed Attenuator is a high-performance passive component designed to reduce the power of an RF signal by exactly 1dB. With a 1-Watt power handling capacity, it is specifically optimized for low-power signal conditioning in consumer and commercial video distribution environments where high precision is required to achieve perfect signal balance. This model is engineered for frequencies from DC to 1GHz, ensuring full compatibility with standard cable television (CATV), FM radio, and digital broadcast signals.
The attenuator features an F-Type Male to F-Type Female inline configuration, the standard interface for residential and commercial telecommunications wiring. It is constructed with high-stability resistive elements that provide a flat frequency response and maintain critical impedance matching throughout the 1GHz spectrum. Housed in a ruggedized nickel-plated brass body, it provides excellent shielding effectiveness and durability, making it an essential tool for resolving minor signal overspill or “hot” signal issues that can cause digital artifacts or receiver saturation.
Key Technical Advantages
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Precise 1dB Reduction: Delivers a reliable, subtle power reduction, making it an essential tool for the most granular fine-tuning of signal levels in cascading amplifier chains.
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Optimized for 1GHz Bandwidth: Fully supports the entire spectrum required for modern digital cable and high-speed broadband services.
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75 Ohm Impedance Matching: Specifically designed to match the characteristic impedance of F-type systems, minimizing reflections and standing waves (VSWR).
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Compact Inline Design: The streamlined M/F form factor allows for direct installation at the back of receivers, splitters, or wall outlets without additional adapters.
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Durable Construction: Features a corrosion-resistant nickel-plated finish and precision threading to ensure long-term reliability in indoor and sheltered outdoor environments.
Key Features
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Interface Type: F-Type Male (Plug) to F-Type Female (Jack).
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Attenuation Value: 1dB (Fixed).
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Power Rating: 1 Watt (Continuous).
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Frequency Range: DC – 1.0 GHz.
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Impedance: 75 Ohm (Standard).
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Construction: Nickel-Plated Brass with high-grade dielectric.
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Common Application: CATV signal balancing, satellite TV headends, broadband internet distribution, and fine-tuning receiver input levels.
Technical Summary
| Parameter | Specification |
| Impedance | 75 Ohm (Nominal) |
| Frequency Range | DC – 1 GHz |
| Attenuation Accuracy | ±0.2 dB to ±0.4 dB |
| VSWR | ≤ 1.25:1 (Typical) |
| Max Input Power | 1 Watt (Average) |
| Return Loss | ≥ 20 dB |
| Operating Temp | -40°C ~ +80°C |
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