https://cablematic.com/en/products/tvfm-coaxial-antenna-base-malefemale-recessed-TT045/
TV+FM Coaxial Antenna Base (Male+Female) Recessed
- Recessed antenna base with 2 sockets based on male (TV) and female (FM) coaxial connectors with a diameter of 9.52mm.
- It is a base with a square surface that is fixed to the wall using screws (not included).
- Simple and fast connection, with a simple screwdriver and without the need for welding.
- White plastic casing and shielded interior connectors in metal casing.
- Impedance 75 Ohms connectors.
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- Recessed antenna base with 2 sockets based on male (TV) and female (FM) coaxial connectors with a diameter of 9.52mm.
- It is a base with a square surface that is fixed to the wall using screws (not included).
- Simple and fast connection, with a simple screwdriver and without the need for welding.
- White plastic casing and shielded interior connectors in metal casing.
- Impedance 75 Ohms connectors.
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Antenna base for television (TV) and radio (FM) compatible with coaxial cable, special to be fixed on the wall. Ideal antenna box to connect to your television and radio and thus obtain an optimal signal.
specs
- Recessed antenna base with 2 sockets based on male (TV) and female (FM) coaxial connectors with a diameter of 9.52mm.
- It is a base with a square surface that is fixed to the wall using screws (not included).
- Simple and fast connection, with a simple screwdriver and without the need for welding.
- White plastic casing and shielded interior connectors in metal casing.
- Impedance 75 Ohms connectors.
- Working frequency of 5-790 MHz.
- Ideal to receive signal optimally on your TV and radio.
- Gross Weight: 105 g
- Product size (width x depth x height): 8.3 x 3.5 x 8.3 cm
- Number of packages: 1
- Packages size: 11.0 x 11.0 x 4.0 cm
Technical terms
- Impedance
- Hz
- Types of tips for screwdrivers
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.
