SW-314-TB

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RF evaluation and development kits, boards have become increasingly popular in the design and development of digital communication systems. In this article, we will discuss the SW-314-TB application field and working principle.

The SW-314-TB is a compact RF evaluation and development board. It is designed to allow the evaluation and development of the chipset used in digital communication systems. The SW-314-TB provides essential features such as rate control, phase noise control, code acquisition, data/clock synchronization, signal quality monitoring, and other critical protocols for RF evaluation and development. The SW-314-TB enables evaluation of the performance of digital communication protocols such as GSM, UMTS, LTE, and Wi-Fi. The board is also suitable for digital radio projects, such as those used in digital audio broadcasting.

The SW-314-TB board supports up to 20Mbit/s data rates, with bit rates adjustable from 10Kbit/s to 20Mbit/s. An adjustable clock speed and sampling rate are also available. The board is composed of four main parts: JT1485-based test module, expandable evaluation board, USB interface linker, and DIP switch. The JT1485-based test module contains the key RF components such as the transmitter, receiver, synchronizer, and data converter. It also provides the protocol-level logic for operation and testing. The evaluation board consists of a universal, expandable set of components and standard connectors for easy connection to external devices. The USB interface linker is connected to the evaluation board and allows direct connection to a PC or a laptop for data transfer and programming of the evaluation board.

The SW-314-TB board’s working principle is based on the various RF components included in the board. The input signal is received by the RF receiver on the board. The signal is then processed by the synchronizer for synchronization and the data converter for data alignment. These components allow for the adjustment of the input signal\'s phase, frequency, and amplitude according to the test conditions. After the signal is processed, the data is transferred to the test module. The test module processes the data and generates a digital signal which is then sent to the transmitter for transmission.

After the digital signal is transmitted, the data is monitored by the test module. The board’s output can be monitored by the user on the USB interface linker. The board also provides signal quality parameters such as real-time signal-noise ratio, phase noise, and other important criteria. The board is capable of supporting a wide range of firmware revisions for GSM, UMTS, LTE, and Wi-Fi standards. With the expanded board, users can also perform measurements of adjacent-channel radiation pattern, active antenna pattern, or antenna range, among others.

In summary, the SW-314-TB is a comprehensive RF evaluation and development board suitable for evaluation and development of digital communication protocols such as GSM, UMTS, LTE, Wi-Fi, and digital radio projects. The board consists of various RF components and a universal, expandable evaluation board which can be linked to a PC or laptop device through a USB linker for data transfer and programming. The board’s working principle is based on the various RF components included in the board, allowing for evaluation and measurement of key RF parameters such as signal quality, phase noise, adjacent-channel radiation pattern, and antenna range.

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