RPM922-H11E2A

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IRDA Transceiver Modules enable data exchange between compatible devices by using infrared communication. The application fields and working principle of RPM922-H11E2A, a commonly used IRDA transceiver, is discussed below.

The RPM922-H11E2A is a fast infrared (IrDA) transceiver that is compliant with version 1.3 of Infrared Data Association (IrDA) specifications. It has the following features:

• Data speed rate up to 115.2 kbps with Long Range (LR) mode.
• Data speed rate up to 4 Mbps with High Speed (HS) mode.
• Low power consumption with shutdown mode.
• Small form factor: 7.3 x 6.8 x 2.0 mm.
• Highly reliable with over-temperature protection automatic shutdown.

The RPM922-H11E2A is mainly used in short-distance communication between mobile, PDA and other portable devices. Moreover, it is also widely used in household appliances, automotive electronic products, and wireless headphones etc.

The working principle of RPM922-H11E2A module is based on the infrared signal transmission. The signal transmission process is simple and low cost. The transmission process involves an emitting device which transmits data in an infrared signal which is then received by a receiving device.

The IrDA transceiver module works with the usage of an infrared emitter and an infrared receiver. The module is capable of transmitting data over a short distance that can range up to 5 m. It is powered by a voltage range of 3.0 - 5.5V. The module can support speeds of up to 115.2 kbps in Long Range (LR) mode and 4 Mbps in High Speed (HS) mode.

The RPM922-H11E2A has several operating modes: the normal mode, the LP-V mode, the fast transmit mode, the low power listening mode, and the fast transmit/low power listening mode. In the normal mode, both the emitter and the receiver must be enabled. In LP-V mode, the emitter is powered on during packet transmission. The fast transmit mode enables faster data transfer and reduces power consumption. The low power listening mode reduces power consumption while still allowing for reception of data. The fast transmit/low power listening mode combines both low power listening and fast transmission into one mode.

In summary, the RPM922-H11E2A is a powerful and versatile IRDA transceiver module that can be used for the short-distance communication between compatible devices. It has a range of application fields and a variety of operating modes that make it a suitable choice for a wide range of compatible devices.

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