78Q2123S/F

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78Q2123S/F Application Field and Working Principle

The 78Q2123S/F is an integrated circuit (IC) designed to provide interface between a wireless medium and a system controller. The 78Q2123S/F is part of a family of low-power, low-cost, single chip transceivers designed for wireless applications, specifically any Industrial protocol applications. The 78Q2123S/F transceiver provides an interface between a host Controller and a wireless medium without the use of a CPU or processor.

General Features

• Low power consumption (45 mW Low Power +24 mW High Power mode - Standby)
• Verified for high data rates up to 2 Mbps
• Large link distances up to 2600 feet, 90+ miles
• Interfaces to devices over a Wide range of frequencies (2.4GHz, 915 MHz, 868 MHz, 433 MHz, etc.)
• Various encodings are internal passed with the IC (Manchester, 4FSK, DBPSK)
• Integrated Voltage regulator on board
• Single Battery Provision with 6 on-board batteries
• No requirements for complex host communication interface

Application Field

The 78Q2123S/F is designed for use in industrial area networks (IANs), instrumentation, remote monitoring, point of sale (POS), automotive applications, consumer electronics, healthcare, RFID, and industrial and consumer sensitive wireless data networks. The 78Q2123S/F is an ultra-low power (ULP) wireless transceiver, which can be used in distributed sensor networks, providing optimal network performance. It is an effective solution for wireless sensor and industrial wireless applications that require high link speeds, high levels of performance, and long battery life.

Working Principle

The 78Q2123S/F uses a two-way radio transceiver circuit to transmit and receive data. This two-way transmission method is based on half-duplex communication, allowing simultaneous transmission of information in both directions. The entire 78Q2123S/F operation is controlled by its internal registers and configuration settings. The autonomous operation of the transceiver is fully coordinated by its on-chip state machines.

The 78Q2123S/F implements several protocols internally to provide network access, and to handle data transfer, data encapsulation and retransmission. Data packets sent to and received from the host system are received and decoded by the 78Q2123S/F and handled according to their data format. They are then delivered to a user\'s application layer for further processing.

The 78Q2123S/F supports numerous interfaces, such as UART, CAN, SPI and I2C, enabling it to communicate with a wide range of external components. The 78Q2123S/F can be configured to auto-connect to an 802.11n/b/g/a access point, facilitating integration with existing Wi-Fi networks and providing an ideal solution for wireless systems wanting to ‘plug and play’.

Conclusions

The 78Q2123S/F is an ideal low power, cost effective transceiver for use in Industrial, Commercial and Consumer goods applications where high data rates, high levels of performance and long battery life are required. The integrated radio transceiver and the various interfaces, such as UART, CAN, SPI and I2C, enable the 78Q2123S/F to be easily and quickly integrated into a wide range of wireless applications.

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