Resource	Version	Download	Description / Instructions
GUI Setup Package	D4		Latest version of the GUI application software for Windows
.NET DLL	Apr 19, 2020		Recommended API for USB control from a Microsoft Windows PC supporting the .Net framework. No DLL registration required. .Net 4.5 and above: mcl_SolidStateSwitch_NET45.dll Earlier .Net versions: mcl_SolidStateSwitch64.dll
ActiveX DLL	Nov 09, 2020		Legacy API for USB control from a Microsoft Windows PC where the .Net framework is not supported. DLL must be registered using RegSvr32.
User Guide (All models except USB-SP4T-63)	C		Instructions for the setup and operation of Mini-Circuits' high isolation solid-state switch series (hardware & software)
User Guide (USB-SP4T-63)	G		Instructions for the setup and operation of Mini-Circuits' USB-SP4T-63 switch (hardware & software)
Programming Manual (All models except USB-SP4T-63)	C5		Full programming instructions for USB automation of Mini-Circuits' high isolation solid-state switch series: USB control API for Microsoft Windows (.Net / ActiveX DLLs) USB control via Direct Programming (Linux)
Programming Manual (USB-SP4T-63)	B3		Full programming instructions for USB automation of Mini-Circuits' USB-SP4T-63 switch: USB control API for Microsoft Windows (.Net / ActiveX DLLs) USB control via Direct Programming (Linux)
Programming Examples	Search Examples...		Search and download examples for a range of languages (including Python, LabVIEW, C#, VB & MatLab)

All products are shipped with the latest available firmware and an update is usually not required. Mini-Circuits occasionally makes firmware update files available as a courtesy to add additional features or correct known issues. Please contact testsolutions@minicircuits.com for details.