01 RFSM Series RF Switch Matrix--Introduction

  In the RF automatic test system, the RF switch matrix provides the following for the test unit and the device under test:

1. Automatic routing function of RF link. No need to manually connect RF cables, automatic testing is achieved.

2. RF signal processing. According to the requirements of different test links, the switch matrix will use components such as couplers, attenuators, amplifiers or filters in different links to process the RF signals in different links.

   Typical application scenarios:

• RF ATE Test System
• Multi-port antenna
• Multi-port RF devices
• Multi-port high-speed transmission link

        ……

MET's RFSM series RF switch matrix has excellent performance, focuses on the user's usage scenarios and test requirements, and provides users with a wealth of choices: number of RF ports, coverage frequency, power capacity, advanced measurement options, etc. In addition to existing models, it supports user customized development.

  How to choose RF switch matrix products?

  How to achieve the best testing solution cost-effectively?

02 RFSM Series RF Switch Matrix--Performance Index

  PART/1 MET assists users in determining internal structures

Design link structure:

• Direct switch link
• Full crossbar link
• Main Coupler External Link (Advanced Network Measurement Option)

Other auxiliary structures:

• IO interface:USB/LAN/GPIB
• Rack Mount
• Built-in voltage source:24V
• Drive Type:TTL/OC/Pulsed
• Link signal processing requirements
• Internal cables

  PART/2 MET assists users in selecting appropriate RF switches

• Switch type: solid state switch / mechanical switch
• Frequency Range:
• VSWR/Return Loss: Poor SWR degrades system performance
• Insertion loss: Reduce insertion loss to ensure the power of the RF link
• Switching time:
• Power Capacity:
• Isolation: Test scenarios where low-power and high-power signals coexist
• Load termination: 50Ω
• Phase matching: ensuring signal consistency across different RF links
• Repeatability: Switch repeatability cannot be compensated by software correction
• Switch life:

  PART/3 MET assists users in choosing the appropriate software system

  1.MET's software system supports fast link reconfiguration, which is suitable for rapid deployment scenarios.

  2.MET's software system supports functions such as self-checking/fault location/resource usage statistics for the switch matrix through the built-in control board.
  3.MET's software system supports users to control the switch box via USB / LAN / GPIB

  4.MET's software system supports a graphical interface to complete automatic allocation, automatic calibration, and automatic measurement of test links.

  PART/4 MET assists users in selecting advanced measurement options

  1.Select the MET calibration option to extend the calibration interface from the instrument port to the switch box port

• Complete S parameter calibration/power calibration
• Reasonable solution to calibration cycle problems such as temperature drift
• Solve the problem of non-ideal load interference on measurement

  2.Select the MET test fixture deembedding option to remove the effects of the test fixture from your measurements

• Eliminate fixture influence based on fixture correction technology

  3.Speed up your testing process with the MET accelerometer option

• Based on rational function approximation algorithm

03 RFSM Series RF Switch Matrix--Development Experience

 MET has all the forward development experience for the RF switch matrix series products:

• The design has been precipitated over many years, the layout is reasonable, and the development and manufacturing experience is rich
• Solid-state RF switches, control boards, and system boards are all self-developed and produced
• Semi-steel cable (recommended) ensures the reliability and repeatability of the matrix
• Design structure layout according to the special processing requirements of RF link signals

04 RFSM Series RF Switch Matrix - Control Software and Measurement Options

• Supports fast link reconfiguration, suitable for fast deployment scenarios
• Through the built-in control board, it supports self-checking/fault location/resource usage statistics of the switch matrix
• Support users to control the switch box via USB / LAN / GPIB
• Supports graphical interface to complete automatic allocation, automatic calibration and automatic measurement of test links

05 RFSM Series RF Switch Matrix--Personalized Customization Requirements

       MET RF switch matrix supports user customization requirements

• Once the custom switch matrix is manufactured, MET uses a vector network analyzer to verify the S-parameter performance of each signal path over the entire specified frequency range.
• The test data will be sent to the user as a standard document along with the switch matrix.