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Comparison of digital interface - Camera Link, GigE, USB

2019-11-01 14:09:34

Which interface is the best in each digital camera? The discussions include the advantages and disadvantages of different interface technologies. A camera with a suitable interface technology is the best.


Gathesrtar LWIR/SWIR/NIR/MWIR camera usually have several selections however the camera link and GigE is the most popular interface of our cameras. In the following text, the 3 most important interfaces are compared based on data throughput, cable length, costs, and standardisation.

Gigabit Ethernet

Camera Link

USB 3.0

Speed

125 MB/s gross,≈ 100 MB/s net

Base (max 24 bits per clock) – e.g., 255 MB/s using 3 taps at 8 bit depth
Medium (max 48 bits per clock) - e.g., 510 MB/s using 6 taps at 8 bit depth
Full (max 64 bits per clock) – e.g., 680 MB/s using 8 taps
Basler 10 Tap Mode: 850 MB/s

Up to 625 MB/s gross, 400 - 500 MB/s net

Cable Length

100 metres

Up to 10 metres for 85 MHz, longer for lower frequencies

5 metres

Adapter

Standard

Special adapter needed

Standard

Limitations

CPU load must be optimised

Needs special frame grabber

no long distance transfer

Expensive cabling

Advantages

Standard interface on nearly every PC

Standard for high data streams

USB 3.0 support can be added to existing computers

High data rates (real time in peer-to-peer connections)

Cables are industry standard

Very low costs

Uses existing Ethernet infrastructure

Long cable lengths are possible

GATHERSTAR CAMERAS

LWIR/SWIR/NIR/

LWIR/SWIR/NIR/MWIR

DEVELOPING



Gatherstar SWIR(short wavelength infrared) camera and NIR( near infrared) Si low light camera, LWIR(uncooled/cooled long wavelength infrared) thermal imaging camera also support the analog output.

Standard camera always come with the SMA interface which supply PAL/NTSC format video output. It’s easy for customer to see the image from the monitor and TV. Beside SDI and HDMI also can be customized, which provide you higher grade video.


Please contact us for more information we will supply you the best solution for your project.



Sales Manager: Lily Liu
Mobile: 086-13359283296
Email: info@gatherstarhk.com

Xi'an Gatherstar Optoelectronic System Co.,Ltd is specialized in infrared and laser photoelectric system products and module, components and elements. we are not only confident in supplying qualified optoelectronic products to all of our customers, but also concentrating on offering continuous innovations and reliable service.


 










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