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Tescom TC-5570PM User Manual

Mmwave ota test system
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TC-5570PM mmWave OTA Test System
User Manual
20200429

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  • Page 1 TC-5570PM mmWave OTA Test System User Manual 20200429...
  • Page 2 Copyright ©2020 TESCOM CO.,LTD. ALL RIGHTS RESERVED Address | (10442) #927 Unitechvil 142, Ilsan-ro, Ilsandong-gu, Goyang-si, Gyeonggi-do TEL | +82-31-920-6600 Website | en.tescom.co.kr...

  • Page 3: Table Of Contents

    ........... . . 1.6 TESCOM Sales and Service Office .
  • Page 4 ..............42 6.

  • Page 5: Revision History

    Revision History Revision History Version Description Date Initial Release 2019-02-21 First Revision 2020-04-28...

  • Page 6: Warranty

    WARRANTY TESCOM guarantees that this product will be free from defects in materials and workmanship for one year from the date of shipment. During the warranty period, TESCOM will, at its discretion, either repair or replace defective products. For the warranty service, customer must notify TESCOM of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service.

  • Page 7: Safety Considerations

    Safety Considerations Review the following safety precautions to avoid injury, damage to this product or any product connected. Do not disassemble any part unless listed replaceable in this manual Do not operate in wet/damp conditions To avoid injury or fire hazard, do not operate this product in wet or damp conditions. Do not operate in explosive atmosphere To avoid injury or fire hazard, do not operate this product in an explosive atmosphere.

  • Page 8: Safety Symbols And Terms

    Safety Symbols and Terms Various symbols are used in this manual and on the product itself to ensure correct usage, to prevent danger to the user and others, and to prevent property damage. The meanings of these symbols are described below. It is important that you read these descriptions thoroughly and fully understand its context.

  • Page 9: Part 1. Getting Started

    PART 1. Getting Started...

  • Page 10: Product Overview

    1. Product Overview 1.1 Introduction TC-5570PM is a '5G & mmWave' OTA chamber designed to allow OTA (over the air) testing under the far-field conditions even in a small space. It provides an environment for performance testing of mmWave antennas by applying an optimized absorber for '5G and mmWave OTA' tests.

  • Page 11: Tc-5570Pm Sample Configuration

    Order number of the 3D Rotator: TC-5500A (Optional) ● There are several types of panel options for TC-5570PM to connect data interface, electric power, etc. Custom panels are also available to suit customer needs. Table 1-2 Optional I/O Interface Panels...
  • Page 12 TC-5570PM Sample Configuration Figure 1-1 TC-5570PM Configuration Table 1-3 Sample Configuration Image Name Description Test Antenna Module H5570PM02A(QRH Antenna Module) Antenna: TC-93470A QRH Antenna ● 2:1 RF Switch (DC ~ 40 GHz) ● Data Interface Module M5570A12A two(2), DB9(100pF), two(2), USB 3.0 ●...

  • Page 13: Specifications

    Specifications 1.3 Specifications 1.3.1 Mechanical Specifications Table 1-4 TC-5570PM Mechanical Specifications TC-5570PM OTA Chamber Dimensions Inside 805(W) x 764.5(D) x 645(H) mm Outside 941(W) x 943(D) x 855.8(H) mm Door 624(W) x 624(H) mm Weight TC-5570PM Approx. 75 kg *Packing...
  • Page 14 Specifications Table 1-6 TC-93470A Quad Ridged Horn Antenna Quad Ridged Horn Antenna, Dual Polarization Antenna Antenna Type 18 GHz to 40 GHz Frequency Range K-TYPE 2.92 mm Female RF Connector 14 dBi @ 28 GHz, 15.5 dBi @ 38 GHz Normal Gain, dBi <...

  • Page 15: Exterior And Accessory Inspection

    Operating Environment 1.3.4 Electrical Power Requirements Table 1-7 Electrical Specifications Input Voltage 24 VDC, Max. 2.5 A Frequency 50 - 60 Hz Power Consumption (In Operation) Typical. 15 W 1.4 Exterior and Accessory Inspection Upon arrival, look for any exterior damage that might have occured during shipment, and see if there is any missing accessory from the list below.

  • Page 16: Tescom Sales And Service Office

    TESCOM Sales and Service Office 1.6 TESCOM Sales and Service Office If you have any difficulty with the product, call or write to our Technical Support specialists at: TESCOM Company Limited # 927 Unitechvil, 142, Ilsan-ro, Ilsandong-gu, Goyang-si, Gyunggi-do, Korea [ZIP 10442] TEL.: 82-31-920-6600 FAX: 82-31-920-6607 Email: support@tescom.org...

  • Page 17: Part 2. Putting Into Operation

    PART 2. Putting into Operation...

  • Page 18: Setup And Operation

    TC-5570PM Hardware Description 2. Setup and Operation 2.1 TC-5570PM Hardware Description Figure 2-1 TC-5570PM Component Identification Table 2-1 TC-5570PM Component Identification Function Locking Handle Door Hinge Wheel Data Interface Panel (2xDB9(100 pF), 2xUSB3.0 Adapter, 1xDC Jack) Test Antenna Module (QRH Antenna(TC-93470A), RF Switch, 2xRF connector(2.92...
  • Page 19 After confirming that there is enough space, close the door of TC-5570PM, remove all electric connections, unlock the wheel brakes, and then move TC-5570PM (Refer to Figure 2-5 Door Open &...
  • Page 20 TC-5570PM Hardware Description If an elevator should be used to transport the system, check the weight and space capacity of the elevator before transporting. Figure 2-3 TC-5570PM Outer Dimensions...
  • Page 21 TC-5570PM Hardware Description Figure 2-4 Locking Wheel 2.1.2 Door Open and Close 2.1.2.1 Door Open 1. See if TC-5570PM is firmly fixed as directed in 2.1.1 Locating the TC-5570PM. 2. Turn the locking handle to the open position as Figure 2-5 Door Open & Close 3.
  • Page 22 Check for a damaged cable, especially near the connector-cable neck. Replace any damaged cables ● found. Visually inspect the RF seal (gasket) between the body and door for wear and tear. ● If there is an excessive wear and tear, replace the gasket (Contact TESCOM for support). ● Figure 2-6 TC-5570PM Gasket Locations...
  • Page 23 TC-5570PM Hardware Description 2.1.4 TC-5570PM Optional Components In order for TC-5570PM Test System to fully function, the following options should be installed. 2.1.4.1 3D Rotator Tescom’s Multi‐Axis Positioning System(TC-5500A, 3D Rotator) is designed to perform measurements of spherical antenna patterns in addition to effective isotropic radiated power of devices.
  • Page 24 TC-5570PM Hardware Description Table 2-3 TC-5570PM I/O Interface Panels I/O Interface Panel Order Number Configuration M5570A10A Blank panel (with absorber) ● Blank Panel M5570A08A Two(2) 2.92 mm RF connector ● One(1) USB 3.0 outside and inside ● Data Interface Panel A.
  • Page 25 Aluminum) 1. *Typical Shielding is an estimated value with each I/O interface applied. 2. The data above were measured by TESCOM standards, and they may be different depending on the measuring method and environment. 3. Each shielding effectiveness is measured without according cable. It is likely affected...
  • Page 26 TC-5570PM Hardware Description B. Custom RF Connector Table 2-4 Custom RF Connector I/O Interface Order Number Frequency Range / Impedance / V.S.W.R 3407-0024 From DC to 40 GHz / 50 Ω / 1.3 max RF, 2.92 mm Thru Adapter 3407-0027 From DC to 50 GHz / 50 Ω...

  • Page 27: Tc-5500A (3D Rotator)

    3D Rotator Component Identification 3. TC-5500A (3D Rotator) TC-5500A 3D Rotator for TC-5570PM is designed with two-axis system to rotate the DUT to a specific theta and phi angle. All parts are designed and manufactured in consideration of permittivity. To obtain the optimal position of DUT, the DUT holder can be adjusted on X/Y/Z axis according to the position of antenna inside DUT.
  • Page 28 3D Rotator Component Identification Table 3-1 3D Rotator Component Identification Name Description Slip Ring Preventing cable entanglement USB Connector Connecting DUT and USB cable USB Port USB connection for camera RS-232C Port 3D Rotator remote control DB9 Port Laser pointer control DB9 Port DC to DB9 power input DC Jack...

  • Page 29: Setting Up

    Setting Up 3.2 Setting Up Fix the 3D Rotator on the floor of TC-5570PM with fastening screws into fixing holes (See figure below). Figure 3-3 3D Rotator Installation...
  • Page 30 Cable Type 설명 USB Cable DUT control USB Cable Rotator control DB9(f) to DB9(f) Cable Rotator control USB to RS-232C Cable Rotator control (external connection between PC and TC-5570PM) DB9(f) to DB9(f) Cable RF switch control USB Cable USB camera control...
  • Page 31 Setting Up 3.2.2 RF Cable Connection Connect an RF cable to the rotary joint. 3.2.3 Replacing Rotary Joint (RF Connector for DUT) The rotary joint (with RF connector attached) may have to be replaced depending on the target RF band for measuring. Figure 3-5 Rotary Joint Replacement...
  • Page 32 Setting Up Check the table below for the type of RF connectors for the target RF band. Table 3-3 3D Rotator RF Connector Name RF Connector Type Rotary Joint One(1) 2.92 mm female RF connector 2.4 mm 2 Port, Thru Connector Module Two(2) 2.4 mm female RF connectors 1.85 mm 2 Port, Thru Connector Module Two(2) 1.85 mm female RF connectors...
  • Page 33 Setting Up 3.2.5 DUT Holder Repositioning Release the fastening bolt and move through axis ●...

  • Page 34: Antenna Module

    Test Antenna Module 4. Antenna Module 4.1 Test Antenna Module Available antenna module options are as follows: Figure 4-1 Test Antenna Module Location Table 4-1 Optional Test Antenna Module Test Antenna Module View Order Number Configuration H5570PM02A QRH Antenna Module Antenna: TC-93470A, Dual Polarized ●...

  • Page 35: Connecting Rf Cables To Antenna Modules

    Connecting RF Cables to Antenna Modules 4.1.1 H5570PM02A Quad Ridged Horn Antenna Module H5570PM02A antenna module option is composed of quad ridged horn antenna and RF switch. Quad ridged horn antenna features dual polarization that allows polarization shift. QRH (Quad Ridged Horn) means the antenna has four ridges for both vertical and horizontal polarization, and thus the polarization shift is possible by simply switching RF ports.
  • Page 36 Connecting RF Cables to Antenna Modules Figure 4-3 RF Cable connection to Antenna Module When connecting RF cables, always use a torque wrench appropriate for the RF connector. Otherwise, the connector or cable may be damaged or the measurement result may be compromised.
  • Page 37 Connecting RF Cables to Antenna Modules Table 4-3 Torque Settings RF Connector Torque Setting Torque Wrench Part Number 2.92 mm 8 in-lb (90 N-cm) Keysight, 8710-1765 2.4 mm 8 in-lb (90 N-cm) Keysight, 8710-1765 1.85 mm 8 in-lb (90 N-cm) Keysight, 8710-1765...

  • Page 38: Test Antenna Module Replacement

    Test Antenna Module Replacement 4.3 Test Antenna Module Replacement In correspondance to the desired RF band for measurements, the test antenna module can be easily replaced. Figure 4-5 Test Antenna Module Replacement A calibration must be done after switching the test antenna module. See Calibration.

  • Page 39: Calibration Antenna Fixture

    Calibration Antenna Fixture 4.4 Calibration Antenna Fixture According to the test antenna module, a calibration antenna fixture can be selected. See the table below and 6.2.2 Calibration Procedure for Each Test Antenna Module for details. Table 4-4 Calibration Antenna Fixture View Order Number Configuration...

  • Page 40: Connecting 3D Rotator To Pc

    5. Connecting 3D Rotator to PC The 3D Rotator(TC-5500A) of TC-5570PM can be controlled easily via RS-232C. In order to control the 3D Rotator, the standard feature TC-5570PM Remote Program or Polarwave (S5500P option) may be used. The 3D Rotator seems to use USB interface to communicate with PC, but it actually uses serial communication with built-in USB to serial converter.
  • Page 41 Connection, see if data ports of the 3D Rotator are properly connected to the data interface panel of TC-5570PM. 2. Connect the USB port of TC-5570PM right-side panel and the USB port of PC. Figure 5-2 Cable Connection for Remote Control...
  • Page 42 RS-232C Configuration 5.1.2 Port Settings Execute "PolarWave.exe" ( Choose the COM port assigned to the Rotator. Click Add (The baud rate of the Rotator is 9600).

  • Page 43: Tc-5570Pm Remote Program Gui

    TC-5570PM Remote Program GUI 5.2 TC-5570PM Remote Program GUI The standard GUI has following features.

  • Page 44: Tc-5570Pm Remote Command

    TC-5570PM Remote Command Table 5-2 TC-5570PM GUI Description Set the elevation and azimuth angles. Azimuth: 0°~180° ● Elevation: 0°~360° ● Zero Return: Elevation: 0°, Azimuth: 0° ● Select RF port of the RF switch RF1 Port: Vertical ● RF2 Port: Horizontal ●...
  • Page 45 TC-5570PM Remote Command 5.3.2 Command List 5.3.2.1 Model Name and Version Command MODEL? MODEL? A query command that checks the model name and firmware version. Command MODEL? Respons <Model name>_<F/W version>_<F/W date> Example MODEL?\r\n TL-5977PM_V1.0_2017_07_14\r\n 5.3.2.2 Rotator Movement AT-MOTCTRL=0 AT-MOTCTRL=1,<azimuth>,<elevation>...
  • Page 46 TC-5570PM Remote Command AT-MOTCTRL=0 A command that asks the current angle of axis 1 (azimuth) and axis 2 (elevation). Command AT-MOTCTRL=0 Respons AT-MOTCTRL=0,<axis 1>,<axis 2>:<OK|NGxx> <axis 1>: 0°~180°, angle of axis 1 (azimuth) ● <axis 2>: 0°~360°, angle of axis 2 (elevation) ●...
  • Page 47 TC-5570PM Remote Command 5.3.2.3 Laser Pointer Control AT-LASERCTRL=0 AT-LASERCTRL=1,<0|1> AT-LASERCTRL=0 A command that asks whether laser pointers are on or off. Command AT-LASERCTRL=0 Respons AT-LASERCTRL=0,<0|1>:<OK|NGxx> <0|1> ● 0: Laser pointer off ○ 1: Laser pointer on ○ Example AT-LASERCTRL=0\r\n AT-LASERCTRL=0,1:OK\r\n AT-LASERCTRL=1,<0|1>...
  • Page 48 TC-5570PM Remote Command 5.3.2.4 RF Switch Control AT-RFCTRL=0 AT-RFCTRL=1,<1|2> AT-RFCTRL=0 A command that asks the number of port of the RF switch. Command AT-RFCTRL=0 Respons AT-RFCTRL=0,<1|2>:<OK|NGxx> <1|2> ● 1 : Port 1 (Vertical) ○ 2 : Port 2 (Horizontal) ○...
  • Page 49 TC-5570PM Remote Command 5.3.2.5 Error Data Table 5-5 List of Error Data Error Code Description NG10 Syntax error NG11 Invalid parameter error NG12 Ethernet setting error. NG40 Zero Return (Home) is not executable (Rotation is not possible). NG61 Axis 1 (Azimuth) home sensor error.

  • Page 50: Calibration

    Network Analyzer Keysight N5227A or equivalent equipment (67 GHz) Cal Kit According to RF ports Polarwave Software Tescom, S5500P Calibration Antenna Fixture RF band specific (See Table 6-2 Calibration Antenna Fixture) Required equipments can be changed as long as they suffice important specifications. However,...
  • Page 51 Required Equipments 6.1.1 Calibration Antenna Fixtures Calibration antenna fixtures for TC-5570PM are as follows. Select one that is compatible to RF band in need. Table 6-2 Calibration Antenna Fixture View Order Number Configuration F93470A01A Frequency: 18 GHz to 40 GHz ●...
  • Page 52 Required Equipments 6.1.1.1 Installing Calibration Antenna Fixture Fasten the calibration antenna fixture at the center of 3D Rotator (51 cm from the right wall inside, initial position of factory release). Turn laser pointers on and make sure the points are at the center. Figure 6-1 Laser Pointer Positioning...

  • Page 53: Calibration Procedure

    Calibration Procedure 6.2 Calibration Procedure 6.2.1 Network Analyzer Port Thru Calibration Proceed a thru calibration on RF ports of test antenna module (H5570PM02A) and 3D Rotator. When connecting RF cables, always use a torque wrench appropriate for the RF connector. Otherwise, the connector or cable may be damaged or the measurement result may be compromised.
  • Page 54 Calibration Procedure 6.2.2 Calibration Procedure for Each Test Antenna Module 6.2.2.1 H5570PM02A QRH Antenna Module When calibrating H5570PM02A QRH Antenna Module, the following calibration antenna fixtures can be used for according RF bands. F93470A01A : 18 GHz ~ 40 GHz ●...
  • Page 55 Calibration Procedure Execute Polarwave → Click Calibration → Calibration window pops up Set the Reference Antenna Frequency to the active frequency of calibration antenna (Step is fixed to 0.1)
  • Page 56 Calibration Procedure Load the reference antenna gain data provided by TESCOM. After checking the reference data, proceed vertical calibration.
  • Page 57 Calibration Procedure Confirm execution. Wait for a few seconds to finish vertical calibration.
  • Page 58 Calibration Procedure When the vertical calibration is done, proceed to the next step. Switch the antenna port to...
  • Page 59 Calibration Procedure When using F93471A01A or F93472A01A, rotate the antenna 90° before proceeding. Execute horizontal calibration...
  • Page 60 Calibration Procedure Confirm execution Wait for a few second to finish horizontal calibration...
  • Page 61 Calibration Procedure Calibration finish window pops up after horizontal calibration Check the calibration data and click Apply...
  • Page 62 Calibration Procedure After the data is apllied, a window that asks if the data should be saved will pop up 6.2.2.2 H5570PM03A Test Antenna Module...
  • Page 63 Calibration Procedure When calibrating H5570PM03A Test Antenna Module, the following calibration antenna fixtures can be used for according RF bands. F93470A01A : 18 GHz ~ 40 GHz ● F93471A01A : 26.5 GHz ~ 40 GHz ● F93472A01A : 24 GHz ~ 40 GHz ●...
  • Page 64 Calibration Procedure 6.2.4 Note If the calibration data is saved on the polarwave software database after calibration, the data will ● remain even after Polarwave is teminated. Another calibration is unnecessary next time. Nonetheless, a calibration is always necessary whenever the measuring frequency is changed. ●...

  • Page 65: Part 3. Maintenance

    PART 3. Maintenance...

  • Page 66: Maintenance

    7. Maintenance 7.1 Maintaining Shielding Performance TC-5570PM system is built with a solid design for long life by simple maintenance. Optimal RF shielding is obtained by using gaskets. Clean them at least once a month as directed below to maintain Shield Box in good condition. Also, they must be checked periodically. Otherwise, dirt, corrosion, wear and tear would compromise the performance.

  • Page 67: Performance Test

    7.2 Performance Test TESCOM Shield Box is a precision RF device built sturdily. Their electrical performance can, however, deteriorate with mechanical damages. Worn out gaskets, as well as corrosion or oxidation on the surface of door-contacting area, can significantly reduce the effectiveness of the Shield Box.
  • Page 68 Performance Test 7.2.3 Performance Test Setup Figure 7-2 Schematic Design of Shielding Performance Test Figure 7-3 Antennas for Test 7.2.4 Shielding Standards Frequency Shielding Effectiveness (dB) 18 to 67 GHz > 60 dB The shielding effectiveness above is measured with blank panels; other I/O interface panels may result in different shielding effectiveness of the shield box.
  • Page 69 Performance Test Free space loss antenna calibration Connect both ports of the network analyzer to test antennas with 1.85 mm RF cables to run the free space loss antenna calibration before the shielding performance test. Figure 7-4 Free Space Loss Antenna Calibration Using the 1.85 mm RF cable, connect port 1 of the network analyzer to the outside 1.85 mm RF connector on the rear interface panel.
  • Page 70 The internal test antenna should be positioned in the middle of floor and ceiling inside ● TC-5570PM (approximately 32.5 cm from the floor) using the PE foam pad jig. The distance between internal and external test antennas should be 25 cm.
  • Page 71 Performance Test Figure 7-7 Schematic Design of Shielding Performace Test See if values measured at each direction meet the 7.2.4 Shielding Standards.

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