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The Big Deal

  • 6 customizable hardware windows, each of which can be populated with your choice of:
    • Up to 2 SPDT mechanical switches (DC to 18 GHz)
    • Up to 2 mechanical transfer (DPDT) switches (DC to 18 GHz)
    • SP4T mechanical switch (DC to 18 GHz)
    • SP6T mechanical switch (DC to 12 GHz)
    • Up to 2 programmable attenuators (0 to 30, 60, 90, 110, and 120 dB)
  • Control via USB and Ethernet-TCP/IP (HTTP and Telnet Protocols)
  • User-friendly GUI software included
  • DLLs and complete programming instructions also included
  • Easy maintenance
  • Ultra-Fast Turnaround - Shipment within 2 weeks from order or less!

To simplify and accelerate the development and delivery of custom test solutions, Mini-Circuits developed the ZTM-series of modular test systems. The design consists of a 3U, 19-inch, rack- mountable chassis with six open hardware windows in the front panel, each of which may be equipped with one of several components to meet your requirements. This modular structure allows an extremely wide variety of custom configurations with exceptionally fast turnaround times – within 2 weeks or less!

ZTM-series systems may be outfitted with your choice of mechanical SPDT, SP4T, SP6T, and transfer switches as well as programmable attenuators (0-30, 60, 90, 110, and 120 dB) resulting in hundreds of possible configurations. All models are controlled via USB and Ethernet-TCP/IP (HTTP and Telnet protocols), allowing setup flexibility and easy remote test management.

All units come supplied with Mini-Circuits’ user-frriendly GUI software, DLLs for 32- and 64-Bit windows® systems, complete programming instructions for Windows and Linux® environments, a user’s manual, and all accessories needed for immediate use right out of the box. No drivers required; just plug and play!

System Specifications:
Document Description
Data Sheet Specifications for the complete test system
Mechanical Outline Mechanical drawing and dimensions
Environmental Specs Environmental specifications and test conditions


Component Specifications:
Component Document Description
Programmable Attenuator (120 dB) Data Sheet Test Data Full electrical and mechanical specifications
Programmable Attenuator (110 dB) Data Sheet Test Data Full electrical and mechanical specifications
Programmable Attenuator (90 dB) Data Sheet Test Data Full electrical and mechanical specifications
Programmable Attenuator (60 dB) Data Sheet Test Data Full electrical and mechanical specifications
Programmable Attenuator (30 dB) Data Sheet Test Data Full electrical and mechanical specifications
Mechanical SPDT Switch Data Sheet Test Data Full electrical and mechanical specifications
Mechanical SP4T Switch Data Sheet Test Data Full electrical and mechanical specifications
Mechanical SP6T Switch Data Sheet Test Data Full electrical and mechanical specifications
Mechanical Transfer Switch Data Sheet Test Data Full electrical and mechanical specifications


Application Notes:
Document Rev Description
Quick Setup Guide 18-Sep-17 How to connect and get started with Mini-Circuits' software controlled test systems
User Manual A User manual for hardware and GUI
Programming Manual A9 Full programming instructions for USB/Ethernet control on Windows/Linux
Program Examples & Troubleshooting B3 Reference tables and worked examples in a range of programming environments
App Note - AN-49-001 OR Summary of software support for Mini-Circuits test equipment
App Note - VISA Control OR Instructions for controlling Mini-Circuits test equipment using VISA
Software Download:
Software Rev Description
GUI A9 User friendly graphical user interface for Windows operating systems
CD A9 Full software package, including GUI program, DLL COM Objects 32/64 bit, Linux support, drivers and documentation
ModularZT.dll 1-Oct-17 ActiveX COM object; recommended for 32 bit programming environments on Windows operating systems. Registration required in Windows using regsvr32.
ModularZT64.dll 1-Oct-17 .Net class library; recommended for 32/64 bit programming environments on Windows operating systems


Firmware Download:
Model Firmware Download Applicable Serial Numbers
ZTM Series B0 Serial numbers up to 11412319999. Please contact testsolutions@minicircuits.com
ZTM Series C2 Serial numbers from 11501010000. Please contact testsolutions@minicircuits.com


Programming Examples:

Download programming examples for a range of operating systems and environments below.

Connection OS DLL Type DLL Environment Description File
USB Windows ActiveX modularzt.dll C# Using the ActiveX COM object with C#
USB Windows ActiveX modularzt.dll VB Using the ActiveX COM object with VB6
USB Windows ActiveX modularzt.dll C++ Using the ActiveX COM object with Visual C++ (MFC)
USB Windows ActiveX modularzt.dll C++ Using the ActiveX COM object with Visual C++ (CLR 2005)
USB Windows ActiveX modularzt.dll C++ Using the ActiveX COM object with Visual C++ (CLR 2010)
USB Windows ActiveX modularzt.dll CVI Using the ActiveX COM object with CVI10
USB Windows ActiveX modularzt.dll Delphi Using the ActiveX COM object with Delphi 5
USB Windows ActiveX modularzt.dll LabVIEW Using the ActiveX COM object with LabVIEW 8 (32-bit)
USB Windows ActiveX modularzt.dll MatLab Using the ActiveX COM object with MatLab 2008
USB Windows ActiveX modularzt.dll VB Using the ActiveX COM object with VB.Net
USB Windows ActiveX modularzt.dll Python Using the ActiveX COM object with Python
USB Windows .NET modularzt64.dll VB Using the .NET library with VB.NET
USB Windows .NET modularzt64.dll C# Using the .NET library with C#.NET
USB Windows .NET modularzt64.dll LabVIEW Using the .NET library with LabVIEW 9 (64-bit)
USB Windows .NET modularzt64.dll MatLab Using the .NET library with MatLab 2009
USB Windows .NET modularzt64.dll C++ Using the .NET library with Visual C++ (CLR 2005)
USB Windows .NET modularzt64.dll C++ Using the .NET library with Visual C++ (CLR 2010)
USB Windows .NET modularzt64.dll C# Using the .NET library with C#.NET to create an executable
HTTP All None None Python Using HTTP in Python to communicate over Ethernet

Step 1 of 3: Configure Your Test System

Populate each window of your test system by selecting from the 6 drop-down menus below:




Your chosen test system configuration:
Window Window Contents Model Number(s) Frequency
1 Blank Window None None
2 Blank Window None None
3 Blank Window None None
4 Blank Window None None
5 Blank Window None None
6 Blank Window None None

Included accessories:

  • USB control cable - 6.8 ft (USB-CBL-AB-7+)
  • Ethernet control cable - 5 ft (CBL-RJ45-MM-5+)
  • Full software & documentation (including GUI, DLL API files, user & programming manual)



Step 2 of 3: Enter Your Contact Details

Please enter your contact details below and click "Build Your System". One of our Applications Engineers will contact you within 1 working day to discuss your requirement.

Contact Information