US 
Yuan SC5A0N1-L SDI PCIe SDI Frame Grabber with 1080p30 Capture
PCI ExpressSC5A0N1-L SDI Overview
In a studio, a lecture theatre or a control room, an SDI feed usually has somewhere else to be: a monitor, a switcher or a recorder further down the line. Tapping it for capture should not break that chain. The SC5A0N1-L SDI is Yuan’s single-channel PCIe SDI frame grabber with one SDI input and an SDI loop-through output, so the signal carries on while the card records.
The input accepts 1920 x 1080p at 60/50 fps and captures at 30/25 fps, while HD-SDI sources run at 1080p30/25/24, 1080i60/50 and 720p60/50, and SD-SDI at 720 x 480i60 and 720 x 576i50. Capture and preview formats cover RGB24 and RGB32 at 4:4:4, YUY2 at 4:2:2 and YV12 and NV12 at 4:2:0, so frames can go straight to an encoder, a display pipeline or an analytics model without a color conversion step. Audio is captured as stereo embedded audio at 16-bit and 32 to 48 kHz.
The card fits a PCIe x1 Gen2 slot and supports multiple instances and multiple cards in one system, with cropping and scaling, automatic signal detection and deinterlacing on board. Yuan lists 16 GPIO and a watchdog. Software runs through Yuan’s Windows and Linux SDK, and the card works with DirectShow and V4L2 applications such as vMix, OBS, Zoom and Teams. The SC5C0N1-L SDI keeps the loop-through and captures at 1080p60, and the SC5A0N2-L SDI records two SDI feeds from one slot.
Yuan lists driver support for Windows 7, 8, 8.1 and 10, Linux kernel 2.6.14 or later in 32-bit and 64-bit builds, Linux on ARM and NVIDIA Jetson TX2, Nano, AGX Xavier and Xavier NX modules. That lets a Windows recorder, a Linux server and a Jetson edge unit share one capture design. The board measures 108 x 68.9 mm.
SC5A0N1-L SDI Specifications
| Overview | |
|---|---|
| Brand & Model | Yuan SC5A0N1-L SDI |
| Video Capture | |
| Host Interface | PCIe [x1, Gen2] |
| Simultaneous Video Inputs | 1 |
| Video Input | 1x SDI |
| Video Resolution Input | HD60 [1920x1080p @ 60/50fps] |
| Video Output | 1x SDI |
| Video Resolution Output | HD30 [1920x1080p @ 30/25fps] |
| Recording Mode | Hardware Compression |
| Color Format | NV12 RGB24 RGB32 YUY2 YV12 |
| Audio Input | 1x SDI Embedded Audio Input |
| Audio Output | 1x SDI Embedded Audio Output |
Official Yuan USA Distributor
Things Embedded is an official Yuan USA distributor, supplying the SC5A0N1-L SDI configured for USA broadcast and AV projects. Within the Yuan range the SC5C0N1-L SDI keeps SDI loop-through and raises capture to 1080p60, and the SC5A0N2-L SDI takes two SDI feeds on one PCIe x1 card.
As an inline SDI recorder the SC5A0N1-L SDI sits among our SDI video capture cards and our PCIe capture cards. Where one SDI feed must be recorded at 1080p30 without breaking the signal chain, this is the model to specify.
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