Power - Output:	13dBm (Max)
Package / Case:	85-VFLGA Exposed Pad
Operating Temperature:	-40°C ~ 85°C
Current - Transmitting:	17mA ~ 30mA
Current - Receiving:	18.5mA
Voltage - Supply:	1.8 V ~ 3.8 V
GPIO:	53
Serial Interfaces:	I²C, SPI, UART
Memory Size:	128kB Flash, 8.5kB RAM
Sensitivity:	-121dBm
Series:	--
Data Rate (Max):	256kbps
Frequency:	240MHz ~ 960MHz
Modulation:	FSK, GFSK, OOK
Protocol:	EZRadioPro
RF Family/Standard:	General ISM
Type:	TxRx + MCU
Part Status:	Obsolete
Packaging:	Tray

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RF Transceiver ICs

The world of electronics has experienced tremendous growth in the past few decades thanks to the increasing number of micro-electronic components. One of the most significant developments in this field has been the development of radio frequency (RF) transceiver ICs. These innovative components are used to encode and decode digital data signals, enabling them to be wirelessly transmitted over a range of frequencies. One of the most advanced, reliable, and widely used of these is SI1024-A-GM, a fully integrated direct conversion transceiver IC intended for use in dual-mode mobile phones.

SI1024-A-GM Transceiver

The SI1024-A-GM transceiver IC is an integrated circuit which is capable of handling a wide range of RF frequencies. It supports both GSM and WCDMA technologies, making it ideal for use in dual mode mobile phones. Additionally, the IC provides superior flexibility and performance, due to its supporting of both a low-IF and direct-conversion architectures. This makes it easy for manufacturers to customize the RF chain, by simply changing the internal programming of the IC.

Application Field

The primary application of the SI1024-A-GM transceiver IC is for use in dual mode mobile phones. The IC has undergone extensive testing and complies with the strict standards set forward by GSM and WCDMA standards organizations. Additionally, the device has low power consumption and supports a wide range of frequencies, making it suitable for many other applications such as Bluetooth, GPS and satellite communication including TV broadcasting. Additionally, due to the high integration levels of the IC, it can be used in a wide range of industrial and consumer applications where space is at a premium.

Working Principle

The SI1024-A-GM transceiver IC is a direct conversion transceiver, meaning that it converts medium frequency radio signals directly into digital data, without any intermediate steps or external components. The device operates by using parallel dual-stage signal conversion techniques. The first stage involves up-converting a received signal, while the second stage down-converts it. The device then combines this dual-stage conversion to achieve a direct conversion of analog to digital signals. The IC supports both a low-IF and direct-conversion architectures. In the low-IF architecture, the incoming signal is amplified and then filtered through a low-pass filter. This removes any unwanted signals that could potentially interfere with the signal. The filtered signal is then converted to the frequency range required by the IC and then applied to the mixer. The mixer then downmixes the signal to the required frequency, prior to the signal being filtered and then digitized. In the direct-conversion architecture, the incoming signal is amplified and directly applied to the mixer, bypassing the filtering stage.

Conclusion

The SI1024-A-GM transceiver IC is an advanced, integrated RF transceiver IC intended primarily for dual mode mobile phone applications. The IC provides a high level of integration and supporting both a low-IF and direct-conversion architectures, it provides superior performance and flexibility. The device follows a direct conversion technique, allowing analog to digital signals to be converted with high accuracy and minimal distortion. The IC is ideal for a wide range of applications including mobile phones, Bluetooth, GPS, and satellite communications.

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