MC7455_1103578

Series:	MC
Part Status:	Active
Function:	Modem
Modulation or Protocol:	Beidou, Galileo, GLONASS, GPS, LTE, WCDMA
Applications:	General Purpose
Interface:	USB
Sensitivity:	--
Power - Output:	--
Data Rate (Max):	300Mbps
Features:	--
Voltage - Supply:	--

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MC7455_1103578 Application Field and Working PrincipleMC7455_1103578, which falls in the category of RF Receiver, Transmitter, and Transceiver Finished Units, is a MIMO LTE Cat 6 module designed to provide reliable cellular data connectivity in compact, low power devices. It offers download speeds of up to 300 Mbps and upload speeds of up to 50 Mbps, and supports LTE-FDD and LTE-TDD (TD-LTE/TD-SCDMA) networks, with Voice over LTE (VoLTE) and High-Speed Packet Access Plus (DC-HSPA+) fallback options. The module also supports 5-band CA, dual-band WCDMA, quad-band GSM, and GNSS/GPS.The MC7455_1103578 module contains a highly integrated radio frequency (RF) transceiver and digital baseband processor. The transceiver is designed to transmit and receive digital data using radio waves in a variety of cellular networks, such as LTE FDD and LTE TDD. The digital baseband processor is responsible for encoding and decoding digital data, as well as handling communication with the cellular network. The transceiver and processor are controlled by an on-board embedded processor, which serves as the gateway between the device containing the module and the cellular network.The MC7455_1103578 module has an integrated radiofrequency (RF) amplifier for transmit, receive, and switchover operations. The RF amplifier provides power amplification for the transmitted and received signals. The transmitted and received signals are mixed with the items on the carrier frequency, produced by a phase-locked-loop (PLL) low-noise synthesizer. This PLL low-noise synthesizer is used to generate a stable carrier frequency that is jitter-free. Finally, the mixed signal is tracked by the module\'s analog-to-digital converter (ADC) and demodulated, so the relevant data can be transferred. The resulting signal from the ADC is then processed by the baseband processor, which can modulate data into the downlink channel by using digital signal processing (DSP) and quadrature phase shift keying (QPSK) techniques. The downlink channel is filled with encoded data prior to transmission in order to reduce interference. This encoded signal is then transferred through the antenna by the transmitter. The transmitted signal is received by the antenna and sent to the receiver, where it is amplified and tracked by the PLL low-noise synthesizer. The ADC is then used to convert the received signal to digital.The data in the downlink channel is converted from QPSK to binary with the use of the DSP and is then decoded by the baseband processor. The decoded data is then transferred to the embedded processor, which coordinates the operation of the module and serves as the interface between the device containing the module and the cellular network. The MC7455_1103578 module is currently used in many applications, such as tablets, routers, and cellular gateways. Its small size and low power consumption make it ideal for use in portable and low power applications. There are two different versions available, a slim version for space-constrained devices, and a standard version that can accommodate a wider range of frequencies. In summary, the MC7455_1103578 module is a highly integrated RF receiver, transmitter, and transceiver finished unit designed to provide reliable cellular data connectivity in compact, low-power applications. It supports a variety of cellular networks, including LTE-FDD and LTE-TDD, and can achieve download speeds of up to 300 Mbps and upload speeds of up to 50 Mbps. The module has an integrated transceiver and digital baseband processor, an RF amplifier, an analog-to-digital converter, and an embedded processor that enables the connection of the module to the cellular network. This module is used in a variety of applications and is available in two different versions.

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