SI21812-B60-GMR

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RF Demodulators enable signals to be converted into a baseband signal, allowing for data transmission across any wireless communication system. The SI21812-B60-GMR is a versatile demodulator for digital terrestrial signals that is capable of decoding parameters between channels that are 5, 6, 7, 8, and 9 MHz in bandwidth. This demodulator offers connectivity options for digital radio broadcast, digital TV, and mobile TV applications.

The SI21812-B60-GMR is designed with a two-stage RF amplifier, low noise amplifiers, and a 3-input mixer that combines the IF input signals. The amplifier has a low offset voltage, high resistance to temperature variations, and good linearity which supports digital signal bit rates up to 28 Mbps. The operating temperature range is -40 to +105°C and the device comes in a 16-pin surface mount package. Furthermore, the demodulator is compatible with both digital and analog systems.

The working principle of the SI21812-B60-GMR is based off of the process of mixing low frequency signals with high frequency signals. This process converts the high-frequency signals or carrier signals into low-frequency signals, known as intermediate frequency signals. The converted signals are passed through a low-noise amplifier (LNA) and their power is maximized. Once the IF signal is obtained, the demodulator then works on the IF signal to obtain the baseband signal.

The demodulator then sets out to separate and decode the digital data that was modulated in the original signal. This process is known as demodulation. The demodulated data is then passed through an analog-to-digital converter to extract the information. The resulting data can be seen in binary bits, which can then be interpreted and further processed. This allows data to be transmitted across any wireless communication system, regardless of signal or operating environment.

Overall, the SI21812-B60-GMR is a versatile demodulator that is well suited for digital radio, digital TV, and mobile TV applications. It features excellent stability under varying temperatures and offers high linearity and low-offseet voltage. Furthermore, with its high resistance to temperature variations, the SI21812-B60-GMR is suitable for most wireless communication systems.

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