1. Manuals
  2. Brands
  3. Tescom Manuals
  4. Portable Generator
  5. TC-2800A
  6. Operation manual

Tescom TC-2800A Operation Manual

Gnss signal generator
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
TC-2800A GNSS Signal Generator
Operation Manual
R20151118

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the TC-2800A and is the answer not in the manual?

Questions and answers

Summary of Contents for Tescom TC-2800A

  • Page 1 TC-2800A GNSS Signal Generator Operation Manual R20151118...

  • Page 3: Table Of Contents

    1.2 Safety Consideration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1.2.1 Injury Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1.2.2 Product Damage Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1.2.3 Safety Symbols and Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1.3 TESCOM Sales and Service Office . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1.4 Instruction and Key Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1.5 제품사양 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1.5.1 Signal Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1.5.2 Power Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
  • Page 4 ........19 파트 III. Operation .
  • Page 5 ............. 55 4. Performance Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  55 4.1 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  55 4.1.1 Recommended test equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  56 4.1.2 TC-2800A Initial Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  57 4.2 TC-2800A Performance Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  57 4.2.1 CW Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  57 4.2.1.1 Frequency Generator Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 6: 파트 I. General Information

    파트 I. General Information...

  • Page 7: General Information

    TESCOM warrants that this product is free from defects in terms of materials and workmanship for a p eriod of one (1) year from the date of shipment. During the warranty period, TESCOM will -- at its discr etion -- either repair or replace products that prove to be defective.

  • Page 8: Safety Consideration

    Safety Consideration 1.2 Safety Consideration Review the following safety precautions to avoid injury and prevent damage to this product or any pro duct connected to it 1.2.1 Injury Precautions Use the Appropriate Power Cord To avoid fire hazard, use only the power cord specified for this product. Avoid Electric Overload To avoid electric shock or fire hazard, do not apply voltage beyond the specified range to a ter minal.

  • Page 9: Product Damage Precautions

    Safety Consideration 1.2.2 Product Damage Precautions Use Appropriate Power Source Do not operate this product using a power source that applies more than the specified voltage. Main supply voltage fluctuations should not exceed 10 % of the nominal voltage. Provide Proper Ventilation To prevent product overheating, provide proper ventilation.

  • Page 10: Tescom Sales And Service Office

    1.4 Instruction and Key Features Product description The TESCOM TC-2800A GNSS signal generator is designed to measure the quality of the receiver in the production line by generating GPS, GLONASS and BeiDou signals. The user can set the signal condition s through the frontal LCD and keypad without PC, and the signal generator supports USB interfaces an d commands for automatic production.

  • Page 11: 제품사양

    < -70 dBc/Hz @ 1 kHz Frequency Accuracy ±1 ppm/year @ operating temperature To the BeiDou test, S2800A-30 software option is required. And TC-2800A version of firmwar e, must be Ver V3.0 or more. Refer to System Information for details.

  • Page 12: Power Specification

    제품사양 1.5.2 Power Specification Output Level Signal Range 0 dBm to -130 dBm Resolution 0.1 dB Accuracy < ±1.0 dB (output level > -100 dBm) < ±1.5 dB (output level ≤ -100 dBm) VSWR < 1.3, Typ. output level ≤ -40 dBm: < 1.3 ●...
  • Page 13 제품사양 Packing Size 335(w) x 454(d) x 145(h) mm Weight approx.7 kg Line Voltage Input 100 - 240 VAC, 50/60 Hz Power < 45 W Operation Temperature Operation 5 ℃ to 40 ℃ Storage -10 ℃ to 60 ℃...

  • Page 14: 파트 Ii. Installation

    파트 II. Installation...

  • Page 15: Installation

    This section provides information for verifying proper shipment of the TC-2800A GNSS Tester. Product Condition and Accessory Check 1. Upon receipt of the TC-2800A GNSS Tester, check for damage that could have occurred during shi pment. 2. Check whether you have received all the standard accessories supplied with TC-2800A as listed in t able below.

  • Page 16: Power Requirement

    Power Requirement To avoid hazardous electrical shock, do not perform electrical tests when there are signs of ship ping damage to the equipment. 2.2 Power Requirement This Tester is a portable instrument, requiring no physical installation other than connection to a power source.

  • Page 17: Carrying Handle And Caution For Moving

    Firmware Upgrade 2.4 Carrying Handle and Caution for Moving As shown below, TC-2800A is fixed by foot; the user can transport the device using the handler on the side. 그림 2-1 Carrying Handle 2.5 Firmware Upgrade TC-2800A adopted the flash ROM so that the user can easily upgrade the device through the PC witho ut replacing the ROM.

  • Page 18: Tc-2800A Usb Driver Installation

    Carrying Handle and Caution for Moving 2.5.1 TC-2800A USB Driver Installation TC-2800A communicates with the PC through the USB cable. Actually, USB-to-serial converter is used for communication. Therefore, upon the installation of the driver, a COM port will be configured on t he PC.
  • Page 19 Firmware Upgrade 2. The following "License Agreement" window is displayed; please confirm its contents. 3. Wait until the installation is completed. After a few moments, the following window is displayed. Click [Finish] to complete installation and exit.
  • Page 20 USB port of the PC. Then, turn on TC-2800A. B. Turn the TC-2800A power ON, then connect it to a PC via a connection cable for the transce iver. The PC will detect new hardware, and the following message is displayed.(The message may vary depending upon the operating system.)The installation of the device driver softwar...
  • Page 21 Firmware Upgrade The latest version of driver is 6.7.0.0, if the lower version of the driver has been installed, pleas e update to the latest version.

  • Page 22: Tc-2800A Firmware Upgrade Sequence

    Carrying Handle and Caution for Moving 2.5.2 TC-2800A Firmware Upgrade Sequence 1. USB cable between the USB port on the rear side of TC-2800A using the provided USB cable to t he USB port of the PC. Then, turn on TC-2800A.

  • Page 23: Emergency Upgrade

    2.5.3 Emergency Upgrade In case an error occurs during firmware upgrade, try again as shown below. 1. Press Enter + Power key on the front panel of TC-2800A. 2. Perform upgrade in general upgrading order. 3. After upgrade is completed, reboot TC-2800A.

  • Page 24: 파트 Iii. Operation

    파트 III. Operation...

  • Page 25: Operation

    This section describes the basic concepts and details of operating the TC-2800A GNSS Tester. Understand ing the basic concepts of TC-2800A helps you use it effectively. Basic Operations quickly shows you how TC-2800A is organized and gives some very general operating instructions.

  • Page 26: Front Panel View

    Front Panel View 3.1 Front Panel View 그림 3-1 TC-2800A Front Panel ① Power Key ② LCD Display ③ ( S1 ) ~ ( S4 ) Soft Key: Cursor movement ④ (FCN) : Access second functions ⑤ (ESC) : Return to the previous state ⑥...

  • Page 27: Rear Panel View

    Rear Panel View 3.2 Rear Panel View 그림 3-2 TC-2800A Rear Panel ① USB Port for Remote Control and Firmware Upgrade ② 10 MHz Reference Input ③ 10 MHz Reference Output ④ Power Input...

  • Page 28: Basic Operations

    Basic Operations 3.3 Basic Operations 3.3.1 Main Screen Selection The TC-2800A GNSS Tester has a tree-type menu structure, and each major parameter setting screen can be selected by pressing the keys. The following shows the description of each test scre en and key: 표...

  • Page 29: Gui Screen

    GUI Screen 3.4 GUI Screen The TC-2800A GUI allows the user to set all parameters on a single screen for measurements. Users do not need to switch between screens; thus ensuring convenience of measurement. 그림 3-3 TC-2800A GUI Screen ① Screen tab display: Activated tabs are displayed in blue.

  • Page 30: Menu Structure

    Menu Structure 3.5 Menu Structure TC-2800A menus are in three-depth tree structure as shown below. Depending on the selection, i.e., G PS, GLONASS or BeiDou, different parameters may be displayed. 그림 3-4 GPS Menu Structure...
  • Page 31 Menu Structure 그림 3-5 GLONASS Menu Structure...
  • Page 32 Menu Structure 그림 3-6 BeiDou Menu Structure...

  • Page 33: Test Configuration

    Test Configuration 3.6 Test Configuration The figure below shows a general configuration required for measurement by the GNNS receiver. Most GNSS receivers are equipped with antennas; thus, the radiation test is more often used than the RF con duction test. Moreover, to minimize signal interferences for accurate measurement, TEM cell or shield box is used.

  • Page 34: Gps Signal Transmission

    GPS Signal Transmission 3.7 GPS Signal Transmission 3.7.1 GPS Protocol Selection TC-2800A supports GPS, GLONASS and BeiDou through GNSS. Select the PROTOCOL parameter for GP S measurement. SETUP BASIC (M1) → Select ● Select the SETUP menu by pressing the key and Basic tab by pressing the key.

  • Page 35: Rf Parameter Setup

    GPS Signal Transmission 3.7.2 RF Parameter Setup The user can set RF-related parameters such as channel band, frequency, and output power. SETUP BASIC (M1) → Select ● 그림 3-10 GPS RF Parameter Setup Screen When entering the output power using the up/down arrows ( ), the user can use “Cu rsor”...

  • Page 36: Path Loss Setup

    Checks the RF output status 3.7.3 Path Loss Setup The user can define the loss between TC-2800A and DUT connection or loss occurring during the use of the attenuator. The power input range changes as much as the path loss setting.

  • Page 37: Doppler Velocity Setup

    GPS Signal Transmission 3.7.4 Doppler Velocity Setup The user can set the Doppler velocity of the GPS satellite in m/s. The output frequency changes in con nection with the Doppler effects as follows: Frequency offset = - (Doppler_shift [m/s])/ 299792458.0[m/s] x 1575.42 MHz SETUP BASIC (M1) →...

  • Page 38: Rf On /Off Setup

    GPS Signal Transmission 3.7.5 RF ON /OFF Setup The user can turn on/off the signal output through the RF_OUT parameter. OFF is the default status w hen the device is turned on. SETUP BASIC (M1) → Select ● 그림 3-11 RF ON/OFF Setup Screen Turns on the RF signal: RF_OUT ON ●...

  • Page 39: Gps Protocol Parameter Setup

    GPS Signal Transmission 3.7.6 GPS Protocol Parameter Setup Protocol (M2) → Tab Selection ● Select the Protocol menu by pressing the key and tab by pressing the key. 그림 3-12 GPS Protocol Parameter Screen (ALL Tab) 그림 3-13 GPS Protocol Parameter Screen (CH1 Tab)
  • Page 40 GPS Signal Transmission TC-2800A can set the following GPS-related parameters for signal transmission: 표 3-11 GPS Protocol Parameter Parameter Input Range Description NO_OF_SATELL Number of GPS satellites that TC-2800A is currently sending. GPS signal is 1575.42 MHz L1 channel, and multiple channels can sen d signals.

  • Page 41: Glonass Signal Transmission

    GLONASS Signal Transmission 3.8 GLONASS Signal Transmission TC-2800A supports GPS, GLONASS and BeiDou through GNSS. For GLONASS measurement, Select the PROTOCOL parameter. SETUP BASIC (M1) → Select ● Select the SETUP menu by pressing the key and Basic tab by pressing the key.

  • Page 42: Rf Parameter Setup

    GLONASS Signal Transmission 3.8.1 RF Parameter Setup The user can set RF-related parameters such as channel band, frequency, and output power. SETUP BASIC (M1) → Select ● When entering the output power using the up/down arrows ( ), the user can use “Cu rsor”...

  • Page 43: Path Loss Setup

    GLONASS Signal Transmission 3.8.2 Path Loss Setup The user can define the loss between TC-2800A and DUT connection or loss occurring during the use of the attenuator. The power input range changes as much as the path loss setting. SETUP BASIC (M1) →...

  • Page 44: Doppler Velocity Setup

    GLONASS Signal Transmission 3.8.3 Doppler Velocity Setup The user can set the Doppler velocity of the GPS satellite in m/s. The output frequency changes in con nection with the Doppler effects as follows: Frequency offset = - (Doppler_shift [m/s])/ 299792458.0[m/s] x 1575.42 MHz SETUP BASIC (M1) →...

  • Page 45: Rf On /Off Setup

    GLONASS Signal Transmission 3.8.4 RF ON /OFF Setup The user can turn on/off the signal output through the RF_OUT parameter. OFF is the default status w hen the device is turned on. SETUP BASIC (M1) → Select ● 그림 3-15 RF ON/OFF Setup Screen Turns on the RF signal: RF_OUT ON ●...

  • Page 46: Glonass Protocol Parameter Setup

    GLONASS Signal Transmission 3.8.5 GLONASS Protocol Parameter Setup Protocol (M2) → Tab Selection ● Select the Protocol menu by pressing the key and tab by pressing the key. 그림 3-16 GLONASS Protocol Parameter Setup Screen (ALL Tab) 그림 3-17 GLONASS Protocol Parameter Setup Screen (CH1 Tab)
  • Page 47 GLONASS Signal Transmission TC-2800A can set the following GLONASS-related parameters for signal transmission: 표 3-22 GLONASS Protocol Parameter Parameter Input Range Description NUM_OF_SATEL Number of Glonass satellites that TC-2800A is currently sending; at present, TC-2800A can send up to one satellite signal...
  • Page 48 GLONASS Signal Transmission 표 3-23 GLONASS Protocol-related RS-232 Command List COMMAND Range Description AT%READ:PROT:ALL:NO_OF_SATELL? Checks NO_OF_SATELL of Protocol → ALL AT%CONF:PROT:ALL:TK_HOUR 0~23 Sets Hour data for tk parameter setting AT%READ:PROT:ALL:TK_HOUR? 0~23 Checks Hour data for tk parameter setting AT%CONF:PROT:ALL:TK_MIN 0~59 Sets Minute data for tk parameter setting AT%READ:PROT:ALL:TK_MIN? Checks Minute data for tk parameter setting...

  • Page 49: Beidou Signal Transmission

    TC-2800A supports GPS, GLONASS and BeiDou through GNSS. Select the PROTOCOL parameter for Bei Dou measurement. To the BeiDou test, S2800A-30 software option is required. And TC-2800A version of firmwar e, must be Ver 3.00 or more. Refer to System Information for details.

  • Page 50: Rf Parameter Setup

    BeiDou Signal Transmission 3.9.2 RF Parameter Setup The user can set RF-related parameters such as channel band, frequency, and output power. TC-2800A supports BeiDou B1 (1561.098 MHz) channel. SETUP BASIC (M1) → Select ● 그림 3-19 BeiDou RF Parameter Setup Screen When entering the output power using the up/down arrows ( ), the user can use “Cu...

  • Page 51: Path Loss Setup

    Checks the RF output status 3.9.3 Path Loss Setup The user can define the loss between TC-2800A and DUT connection or loss occurring during the use of the attenuator. The power input range changes as much as the path loss setting.

  • Page 52: Doppler Velocity Setup

    BeiDou Signal Transmission The power input range changes as much as the path loss setting. EX.) PATH LOSS: 0 (Power Input Range: 0 ~ -130 dBm) PATH LOSS: 50 (Power Input Range: -50 ~ -180 dBm) 3.9.4 Doppler Velocity Setup The user can set the Doppler velocity of the BeiDou satellite in m/s.

  • Page 53: Rf On /Off Setup

    BeiDou Signal Transmission 3.9.5 RF ON /OFF Setup The user can turn on/off the signal output through the RF_OUT parameter. OFF is the default status w hen the device is turned on. SETUP BASIC (M1) → Select ● 그림 3-20 RF ON/OFF Setup Screen Turns on the RF signal: RF_OUT ON ●...

  • Page 54: Beidou Protocol Parameter Setup

    BeiDou Signal Transmission 3.9.6 BeiDou Protocol Parameter Setup Protocol (M2) → Tab Selection ● Select the Protocol menu by pressing the key and tab by pressing the key. 그림 3-21 BeiDou Protocol Parameter Screen (ALL Tab) 그림 3-22 BeiDou Protocol Parameter Screen (CH1 Tab)
  • Page 55 BeiDou Signal Transmission TC-2800A can set the following BeiDou-related parameters for signal transmission: 표 3-33 BeiDou Protocol Parameter 파라미터 Input Range Description NO_OF_SATELL Number of BeiDou satellites that TC-2800A is currently sending. B eiDou signal is 1561.098 MHz B1 channel, and multiple channels can send signals.

  • Page 56: System Information

    System Information 3.10 System Information INFO View (M3) → Select ● Select the INFO menu by pressing . The VIEW tab will then be displayed with the serial number and fir mware version. 그림 3-23 System Information Screen...

  • Page 57: Storage And Calling Of Device Setting And Configuration

    Storage and Calling of Device Setting and Configuration 3.11 Storage and Calling of Device Setting and Configuration This function is used to save the current field values in one buffer for later uses. The user can save up to 10 configurations. With this function, the user can save frequently used settings and configurations. Sa ving and calling setting and configuration data can be made as follows: 3.11.1 Save 1.

  • Page 58: System Preset

    System Preset 3.12 System Preset [Preset] will affect all settings made by the user. [Preset] will initialize all settings to factory settings. Th e following is the preset procedure: 1. Select the (FCN) + (SAVE) key. 2. Select “Preset” on the popup window and press the (ENT) key.

  • Page 59: 파트 Iv. Performance Test

    파트 IV. Performance Test...

  • Page 60: Performance Test

    The setup drawings at the beginning of each test procedure show the test configuration needed for ea ch test. To perform the test procedures, you need to know the basic TC-2800A operation. You should be familiar with the front panel, various test screens, and knob operation. The test procedures give criti cal instrument settings and connections but not the manufacturing test specification.

  • Page 61: Tc-2800A Initial Setup

    Unless specified otherwise, a warm-up period of 2 hours is required for these tests. 4.1.2 TC-2800A Initial Setup Before starting measurement, set TC-2800A as described below. In signal generator mode, no cable loss is assumed (Path Loss = 0). 1. Turn on the power.

  • Page 62: Tc-2800A Performance Test

    If you don't have a BeiDou option(S2800-30), test for BeiDou_B1 (1561.098 MHz) is omitted. 1. Test Setup: Connect the equipment as shown in the figure below. 2. Set the controls of TC-2800A as follows A. PROTOCOL: CW B. CHANNEL: GPS_L1 C.

  • Page 63: Cw Mode Power Accuracy (Power Sensor)

    C. FREQUENCY: 1575.42 MHz D. POWER: 0 dBm E. RF_OUT: ON 3. Set the TC-2800A frequency and power as shown below and record the data measured by the p ower meter. 표 4-3 CW Mode Power Accuracy (Power Sensor) TX Power Level Frequency 1575.42 MHz...

  • Page 64: Cw Mode Power Accuracy (Spectrum Analyzer)

    If you don't have a BeiDou option(S2800-30), test for BeiDou_B1 (1561.098 MHz) is omitted. 1. Test Setup: Connect the equipment as shown in the figure below. 2. Set the controls of TC-2800A as follows A. PROTOCOL: CW B. CHANNEL: GPS_L1 C.

  • Page 65: Signal Mode

    Specification: ≤ ±1 dB Objective: To measure the accuracy of the output signal level 1. Test Setup: Connect the power sensor to the RF Out port of TC-2800A as shown below. 2. Set the controls of TC-2800A as follows. A. PROTOCOL: GPS B.
  • Page 66 TC-2800A Performance Test 3. Set the TC-2800A frequency and power as shown below and record the data measured by the p ower meter. 표 4-5 GPS Mode Power Accuracy (Power Sensor) TX Power Level Measurement Result 1575.42 MHz (L1 Channel)

  • Page 67: 파트 V. Programming Guide

    파트 V. Programming Guide...

  • Page 68: Programming Guide

    Basic Setup 5.Programming Guide The PC may control TC-2800A remotely through the RS232C interface using a comprehensive set of com mands. This section provides the necessary information to operate TC-2800A under RS232C control. 5.1 Basic Setup 5.1.1 Cable Connection and Driver Installation 1.

  • Page 69: Tc-2800A Setup

    Basic Setup 5.1.2 TC-2800A Setup Setup (M1) → Select Remote ● Select the Setup menu by pressing the key and Remote tab by pressing S1. Type is fixed to USB2RS232C; the user can set the communication speed depending on the need.

  • Page 70: Checking The Connection Status

    Basic Setup 5.1.3 Checking the Connection Status The user can check the connection status between the PC and TC-2800A and connection status using the Hyper Terminal of Microsoft. 1. Check the COM Port number where the USB to RS232C driver is installed on the Device Manager program of the PC.
  • Page 71 Basic Setup 7. Select File → Properties tab and click the ASCII Setting button. 8. Select the fields to add LF at the end of the line and to display the inputted characters on the scre 9. Type any character and press Enter. In case of normal connection, an unknown command error w ill be displayed.

  • Page 72: Writing The Rs-232C Control Program For Windows

    3. Open the port (COM1-COM4). 4. Send the RS-232C command to the serial port. 5. Check the command execution status on the TC-2800A screen. 6. Once the command is executed, a response will arrive. After the response is received, the next sig nal will be sent.

  • Page 73: Rs-232C Command List

    ON, OFF Turns on/off the LCD screen AT%READ:LCD? ON, OFF Checks the LCD screen power status AT%READ:SERIAL? Reads the serial number of TC-2800A AT%READ:OPTION? GPS,GLONASS or G Reads the option of TC-2800A PS,GLONASS BeiDou AT%READ:IDN? Reads the firmware version of TC-2800A...
  • Page 74 Checks the parity on/off status AT%CONF:PROT:ALL:MEANDER ON, OFF Sets the MEANDER Coding On/Off AT%READ:PROT:ALL:MEANDER? Checks the MEANDER Coding On/Off AT%READ:EXT_PPS? ON, OFF Checks IO_1 SYNC of TC-2800A AT%READ:EXT_REF? ON, OFF Checks 10M REF_CLK AT%CONF:SETUP:BASIC:CW_CH_NUM GPS_L1, GLONASS_ Sets the CW output channel -7 ~ GLONASS_+6,...

Table of Contents