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BNC Cable Assembly
to BNC Cable is primary design for SDI, Serial digital interface (SDI) is a family of digital video interfaces first standardized by SMPTE (The Society of Motion Picture and Television Engineers) in 1989. For example, ITU-R BT.656 and SMPTE 259M define digital video interfaces used for broadcast-grade video. A related standard, known as high-definition serial digital interface (HD-SDI), is standardized in SMPTE 292M; this provides a nominal data rate of 1.485 Gbit/s. Additional SDI standards have been introduced to support increasing video resolutions (HD, UHD and beyond), frame rates, stereoscopic (3D) video, and color depth. These standards are used for transmission of uncompressed, unencrypted digital video signals (optionally including embedded audio and time code) within television facilities. The various serial digital interface standards all use one or more coaxial cables with BNC type connectors, with a nominal impedance of 75 ohms. This is the same type of cable used in analog video setups, which potentially makes for easier upgrades.

The Cable in between, RG-59/U is a specific type of coaxial cable, often used for low-power video and RF signal connections, make itself a good candidate for the SDI cable. The cable has a characteristic impedance of 75 ohms, and a capacitance of around 20pF/ft (60pF/m). The 75 ohm impedance matches a dipole antenna in free space. RG (for radio guide) was originally a unit indicator for bulk radio frequency (RF) cable in the U.S. military's Joint Electronics Type Designation System. The number 59 was assigned sequentially. The suffix /U means for general utility use. RG-59 is often used at baseband video frequencies, such as composite video. It may also be used for broadcast frequencies, but its high-frequency losses are too high to allow its use over long distances; in these applications, RG-6 or RG-11 is used instead. In cases where the transmission distance is too long for these media, such options as UTP (unshielded twisted pair) or fiber optic can be used.

RG-59 coaxial cable is commonly packed with consumer equipment, such as VCRs or digital cable/satellite receivers. Manufacturers tend to include only RG-59 cables because it costs less than RG-6 does. However, given the short lengths provided (usually 4–6 ft or 1.2–1.8 m), this is generally sufficient for its typical use.

  • Cable Type: RG59U
  • Connector 1 Type: F
  • Connector 1 Style: Straight Male
  • Connector 2 Type: F
  • Connector 2 Style: Straight Male
  • Impedance (Ohms): 75
  • Length: Customized

Cable Construction:
  • Conductor: Copper Covered Steel Wire 1/0.81mm
  • Insulation: Gas Injected Foamed polyethylene 1.42mm Thick
  • Shield (1): Bonded Aluminum Foil 0.038mm
  • Shield (2): Aluminum Wire 16*6/0.16mm Picks 90%
  • Jacket: PVC 6.0±0.1 Black

Cable Electrical Characteristic:
  • Insulation Resistance(MΩ/km): 1000↑
  • Capacitance(pF/M): (NOM.) 69±3
  • Attenuation(dB/100M): 11.2@100MHz | 36.5@900MHz

  • Application for Antennas, Broadcast (75 Ω), Telecom, Computers/LANs, Medical Equipment, Cable Modems, Instrumentation, Mil-Aero
  • Origin: Taiwan
  • Dimensions and designs can be customized
  • RoHS compliant
  • Coax assemblies are 100% continuity tested and full RF testing and phase matching can be ordered

FADDY PRECISION INDUSTRY CO., LTD. RF includes a wide range of RF connectors produced for application  in a variety of functional mix and markets. Customized cable assemblies could be manufactured. Assembly combo is only limited to your imagination.

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    BNC Cable Assembly

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