Series:	*
Part Status:	Not For New Designs

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Introduction

The SI4613-A10-GMR is a radio frequency (RF) receiver designed and manufactured by Silicon Labs. This device is an ultra-low power, low cost, integrated RF-to-baseband device designed for use in 2G/3G mobile phones. It has a digital baseband I/O port for data connectivity and offers both good radio reception performance and high efficiency in a small package. The SI4613-A10-GMR is ideal for applications requiring low power and low cost, and low complexity solutions.

Application Field

The SI4613-A10-GMR is used in 2G/3G mobile phones that receive cellular and other wireless signals in the frequency bands of GSM850, GSM900, DCS1800, PCS1900 and WCDMA2100. Additionally, the device is also capable of receiving GPS, Bluetooth, and other signals in the frequency bands of up to 800 MHz. With its low power consumption, the SI4613-A10-GMR provides an optimal performance-per-milliwatt solution compared to other similar RF receivers in the market, making it an ideal choice for mobile applications such as cellular phones and PDAs. The SI4613-A10-GMR is also suitable for other applications, such as remote control units for medical equipment, automotive and industrial applications, home automation, and other RF-enabled products.

Working Principle

The SI4613-A10-GMR receives RF signals in the frequency range of up to 800 MHz. The device has an internal AGC (Automatic Gain Control) circuit that adjusts the gain of the RF amplifier in real-time to ensure that the received signal is always at the optimum level. The device also has an internal tracking filter that tracks the incoming frequency and rejecting all other frequencies, thus improving the noise immunity and sensitivity of the receiver significantly. The signal received by the RF amplifier is then converted to an intermediate frequency (IF) signal which is further processed by a low noise amplifier (LNA) and an analog-to-digital converter (ADC). The signal is then passed to the digital signal processor (DSP) where it is demodulated and decoded. Finally, the data is output to the digital baseband I/O port.

Conclusion

The SI4613-A10-GMR is a low power, low cost, integrated RF-to-baseband solution designed for use in 2G/3G mobile phones. The device is suitable for applications such as remote control units for medical and automotive applications, home automation, and other RF-enabled products. The SI4613-A10-GMR features an internal AGC, tracking filter, low noise amplifier, analog-to-digital converter, and digital signal processor, which work together to ensure that the received signal is always at the optimum level and that the data is accurately demodulated and decoded. In conclusion, the SI4613-A10-GMR is an ideal choice for mobile applications that require low power, low cost, and low complexity solutions.

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