Tescom TC3000C Bluetooth Tester

  • Manufacturer: Tescom
  • SKU: TC-3000C

Bluetooth Tester

TC-3000C Bluetooth Tester is able to analyse the data of every packet that is transmitted to the upper application protocol layer using the protocol stack, which is developed by Tescom. In addition, it enables the user to examine the transmitting and receiving signal function. Since it has built-in signal waveform analysis functions such as spectrum analysis, modulation analysis and period power analysis, this enables the user to perform various RF tests simply and conveniently.

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Tescom TC3000C Bluetooth Tester Product Description

Bluetooth Tester

TC-3000C Bluetooth Tester is able to analyse the data of every packet that is transmitted to the upper application protocol layer using the protocol stack, which is developed by us. In addition, it enables the user to examine the transmitting and receiving signal function. Since it has built-in signal waveform analysis functions such as spectrum analysis, modulation analysis and period power analysis, this enables the user to perform various RF tests simply and conveniently. Moreover, since it has important test cases include EDR built-in, it enables the user to check the eligibility of the product standard simply and easily.

System Structure

TC-3000C uses the general structure of the Bluetooth system and consists of two parts, which includes the RF/DSP module (Host Controller) that is connected by the internal HCI (Host Control Interface) and host CPU module (Host). The RF/DSP module consists of the RF Modem and highly functional DSP. The Host CPU (Internal PC) manages the UI (User Interface), screen key input, and I/O control (extra extensions such as RS-232C, USB, LAN, etc.) based on optimised Linux OS. This structure is designed to perform efficiently and safely through its internal PC and high performance of DSP.

Protocol Stack and Analysis function

The built-in Bluetooth protocol stack of TC-3000C was developed using our own technology from the Baseband to the upper profile to improve the performance of equipment and ability to measure Bluetooth devices. By using the convenient structure, which ‘Queue’ is located between each level of the protocol, it enables the user to manage the upgrading of equipment or additions of function. The user is able to check the status of the DUT protocol by analysing and transmitting data related to Baseband, LMP, HCI Command, L2CAP, RFComm, SDP, AVDTP, AVRC and Profile, and it can be analysed through the Link Analyser and Host Analyser function.

EDR

Bluetooth is wireless telecommunication technology to exchange data and voice by connecting devices that are within close range. However, the speed of data transmission is quite low, 1 Mbps, and its application range is limited. Hence, EDR is added to Bluetooth 2.0 to overcome this problem. Now, it is able to support 2 Mbps and 3 Mbps data transmission speeds. TC-3000C supports both 2 Mbps and 3 Mbps EDR functions and provides EDR Measurement for measuring the performance of RF and Baseband. Users analyse the PSK modulation of DUT by using the I-Q Constellation function of EDR Measurement. They are able to check the eligibility of EDR performance for the test through 7 EDR related RF test cases (EDR Relative Transmit Power, EDR Carrier Frequency Stability and Modulation Accuracy, EDR Differential Phase Encoding, EDR In-band Spurious Emissions, EDR Sensitivity, EDR BER Floor Performance, EDR Maximum Input Level).

Bluetooth Low Energy (BT_LE)

Bluetooth Low energy version 4.0 (BLE) compared to the Classic Bluetooth significantly reduces power consumption owing to relatively slow data transfer rates. BLE is implemented in a single mode product used in sports gear, health care device, sensors, and machine controllers as well as in a dual-mode product where both Bluetooth technologies co-exist. TC-3000C presents 7 RF Test Cases and BLE Measurement capabilities for obtaining RF performance of diverse BLE devices. When measuring RF performance, the direct test mode must be supported on a DUT which can be connected through HCI (Host Controller Interface) or 2-wire UART Interface. Even though the direct test mode is not available on the DUT, TC-3000C can measure the RF performance through Non-signalling test mode or Advertising test mode.

Speed Test Mode

TC-3000C provides a Quick Test Case function that enables the user to measure by setting up the best conditions to suit the user’s manufacturing system with the combination of the four most used RF test cases (Output Power, Modulation Characteristic, Initial Carrier Frequency Tolerance, Carrier Frequency Drift). Thus, through this function, it increases the manufacturing efficiency by reducing unnecessary measurement time.

Measurement Function

Measurement of TC-3000C is the specialised function for measuring Bluetooth. It can monitor the spectrum of the device, modulation features power, power for each channel and RX-BER. From EDR measurement, the user is able to check IQ Constellation, TX-BER, and DEVM. The various and powerful waveform analysis functions of TC-3000C are the best equipment for checking and solving the RF functions of the device.

Audio Analyser

Different from common audio analysers that only check simple audio functions by applying Headset, Hands free, Audio gateway, A2DP profile of Bluetooth, the audio analysing function of TC-3000C transmits the tone signal through the Bluetooth link and analyses the signal received from the reception. Hence, the user is able to examine not only audio but also the RF function simultaneously. The audio analyser of TC-3000C provides a wide range of usages through various analysing functions, which provide more than the standard analysing functions offered by most devices (i.e., distortion of audio signal, SINAD, RMS, etc.). Additional functions of TC-3000C include Audio Spectrum, SCO loopback, Audio Sweep, etc.

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