Comparison of digital interface - Camera Link, GigE, USB

Classification

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
Limitations		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.