SI4737-B-EVB

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RF Evaluation and Development Kits, Boards help electronics engineers to develop and test projects within the field of radio-frequency communication. The SI4737-B-EVB is one such development board that allows designers to evaluate the performance of the SI4737 radio receiver and transmitter ICs. It aids in the design of products or modules that require VHF/UHF radio reception and transmission.

Overview

The silicon instrument SI4737-B-EVB demonstrates the features and performance of the SI4737, which integrates the entire receive signal chain and transmitter modulation system into a single IC. It contains a digital core that works together with the associated analog and RF sections, and supports AM/FM and shortwave radio broadcast. It also provides support for up to 50 station presets and automatic tuning.

Features

The key features of the SI4737-B-EVB are:

• It is a highly integrated, single-chip, digital CMOS IC with the entire receive signal chain and transmitter modulator integrated onto the chip.
• The tuner has a wide tuning range of AM/FM/SW (shortwave) support and uses a 72 MHz antenna.
• The board has on-board terminals for antenna, headphone, and power input as well as USB peripheral connections and audio output.
• The on-board push-button or rotary encoder selection modes allow for selection of the desired band.
• The board has On/Off, Pre-set, Scan and Volume control functions.
• It also has self-tuning and auto-calibration features.

Working Principle

The SI4737-B-EVB works in a two phase mode. In the first phase, the board acquires the desired signal. The board then processes the signal to identify the station and frequencies. Once the station is acquired, the board switches to the second phase. This phase is the data phase and in this phase the board processes the signal to decode the audio or data. This is done using advanced digital signal processing techniques. The data can be audio in the case of radio broadcast or commands in the case of remote sensors.

Applications

The SI4737-B-EVB has a wide range of applications, including:

• Car radios
• Portable radios
• Consumer electronic products
• Industrial and commercial radio communication systems
• Remote sensor systems

The board can also be used for various projects from evaluating and testing the performance of the SI4737 chip, to designing products or modules that require VHF/UHF radio reception and transmission.

Conclusion

The SI4737-B-EVB evaluation board is a powerful RF development and evaluation board that allows engineers and designers to quickly evaluate the performance of the SI4737 IC and develop products or modules with VHF/UHF radio reception and transmission capabilities. It is an ideal tool for applications related to radio broadcast, remote sensing, and industrial and commercial radio communication systems.

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