> ## Documentation Index
> Fetch the complete documentation index at: https://instro.nominal.io/llms.txt
> Use this file to discover all available pages before exploring further.

# SiglentSPD3303

> A driver for [`InstroPSU`](/psu)

<Card title="Siglent SPD3303" horizontal href="/psu/SiglentSPD3303">
  <img src="https://mintcdn.com/nominal/vd1fIohbHX0IE-nH/snippets/drivers/psu/siglent-spd3303/image.png?fit=max&auto=format&n=vd1fIohbHX0IE-nH&q=85&s=6b6dadc9b293973cf9f34f8d73ed75bd" style={{ width: "100%", height: "100px", objectFit: "contain" }} noZoom alt="Siglent SPD3303" width="472" height="300" data-path="snippets/drivers/psu/siglent-spd3303/image.png" />
</Card>

The [`SiglentSPD3303`](https://nominal-io.github.io/instro/instruments/psu/#siglent-spd3303) provides a driver that can be used to instantiate an [InstroPSU](/psu).

## Creating an [`InstroPSU`](/psu) with [`SiglentSPD3303`](https://nominal-io.github.io/instro/instruments/psu/#siglent-spd3303)

```python theme={null}
from instro.psu.drivers import SiglentSPD3303
from instro.psu import InstroPSU

psu = InstroPSU(
    name="myPSU",
    driver=SiglentSPD3303(visa_resource="USB0::0xF4EC::0x1430::SPD3XJGQ806726::INSTR"),
    num_channels=2,
)
```

Parameters and methods specific to [`SiglentSPD3303`](https://nominal-io.github.io/instro/instruments/psu/#siglent-spd3303) can be found in the [SDK](https://nominal-io.github.io/instro/).