https://cablematic.com/en/products/rg6-coaxial-cable-75o-25m-in-black-TT007/
RG6 Coaxial Cable 75Ω 25m in black
- Cable Type: RG6 Coaxial (Standard for TV/SATV).
- Cable length: 25 meters.
- Characteristic impedance: 75 ohms (75Ω).
- Central conductor: CCA (Copper Clad Aluminum).
- Conductor surface area: 0.785 mm².
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- Cable Type: RG6 Coaxial (Standard for TV/SATV).
- Cable length: 25 meters.
- Characteristic impedance: 75 ohms (75Ω).
- Central conductor: CCA (Copper Clad Aluminum).
- Conductor surface area: 0.785 mm².
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This 25-meter (8-foot) black RG6 coaxial cable, rated at 75 ohms, is designed for transmitting radio frequency (RF) and video signals. It's ideal for connecting terrestrial (DTT) and satellite TV antennas, as well as cable TV systems. The center conductor is made of copper-clad aluminum (CCA). The outer PE (polyethylene) jacket provides excellent weather and abrasion resistance. Its 75Ω impedance makes it a standard for video and CATV applications. [Image of Coaxial RG6 Cable cross section] It's ideal for outdoor installations or cable runs where a robust, low-attenuation cable is required for long distances, such as connecting an outdoor antenna to a TV, satellite receiver, or signal splitter.
Specs
- Cable Type: RG6 Coaxial (Standard for TV/SATV).
- Cable length: 25 meters.
- Characteristic impedance: 75 ohms (75Ω).
- Central conductor: CCA (Copper Clad Aluminum).
- Conductor surface area: 0.785 mm².
- Outer cover: Black PE (Polyethylene), durable for outdoor use.
- Typical applications: TV signal distribution (DTT/Cable) and Satellite.
- Gross Weight: 893 g
- Product size (width x depth x height): 19.0 x 19.0 x 5.0 cm
- Number of packages: 1
- Packages size: 19.0 x 19.0 x 5.0 cm
Technical terms
- Impedance
- RF or Radio Frequency
Impedance (Z) is the total opposition that a circuit offers to alternating current (AC) flow when a specific voltage is applied.
Unlike simple resistance, impedance is a complex quantity comprising resistance (the real part) and reactance (the imaginary part, representing inductive or capacitive effects). In the frequency domain, impedance is represented as a phasor, accounting for both magnitude and phase shift between voltage and current. In DC circuits, impedance reduces to pure resistance with zero phase angle.
| Parameter | Technical Spec |
|---|---|
| Symbol | Z |
| Unit | Ohm (Ω) |
Impedance management is critical in high-speed hardware design and signal integrity. In modern PCB manufacturing, controlled impedance ensures that high-frequency signals reach their destination without reflections, which is vital for PCIe or DDR5 performance.
Complex Domain Analysis
Mathematical modeling of impedance using the j-operator allows engineers to optimize filter performance and resonance characteristics in electronic systems.
Key Advantages
- Maximum power transfer through impedance matching.
- Minimized signal reflections in high-frequency transmission lines.
- Improved electromagnetic compatibility (EMC).
Note: Impedance is the cornerstone of modern AC circuit theory and high-frequency design.
