SI4021-A1-FTR

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The SI4021-A1-FTR is a family of sub-GHz RF transmitters that have been designed to provide enhanced performance and reduced footprint for embedded applications. This transmitter family has been optimized to support frequencies within the 433/868/915 MHz range, and can be used in a range of applications, from wireless remote control to wireless home automation.

In terms of its RF performance, this transmitter family is capable of providing a high power output level, with up to 20 dBm of output power for frequencies around 868 MHz, and up to 25 dBm for frequencies up to and beyond 915 MHz.

In addition, the SI4021-A1-FTR provides an onboard power amplifier, and comes with built-in frequency modulation capabilities. This means that it is possible to control the power and the shape of the emitted RF signal. This makes the SI4021-A1-FTR an ideal transmitter choice for wireless systems that require reliable, high performance, and repeatable transmission of data.

One of the most attractive features of the SI4021-A1-FTR is its low power consumption characteristics. The transmitter offers an impressive combination of low-power sleep modes and a choice of three different wake-up modes. This allows the user to reduce the power consumption of the device, while still maintaining a reliable and consistent wireless link.

In terms of its operational principles, the SI4021-A1-FTR utilizes a Variable Gain Amplifier (VGA) to regulate the incoming signal level to the power amplifier. The incoming signal is then pre-amplified and conditioned prior to being sent to the power amplifier. The power amplifier subsequently amplifies the signal to the required level before it is transmitted out to the Ethernet.

In terms of its applications, the SI4021-A1-FTR is ideal for use in a range of embedded applications including medical and industrial wireless equipment, remote surveillance, consumer electronics, and wireless meter reading. It is also suitable for use in wireless motion detection systems, networked home automation, and advanced vehicle telematics.

Overall, the SI4021-A1-FTR is a reliable and efficient RF transmitter that is suitable for a wide range of applications. It offers an impressive combination of high power output and low power consumption, and its onboard VGA and power amplifier make it an ideal transmitter choice for a variety of applications.

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