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RS 232 Interface Modem

RS 232 Interface Modem: In the United States, a standard interconnection between business machine and modem is supplied by the RS 232 Interface Modem. RS 232 Interface Modem has been…

Data Communication Circuit using Modem

Data Communication Circuit using Modem: Data Communication Circuit using Modem - The name modem is a contraction of the term MOdulator and DEModulator. As the name implies, both functions are…

Modem Definition

Modem Definition: The term Modem Definition is an acronym for modulator-demodulator. The primary modem function is to convert digital data into an analog form which is suitable for transmission on…

Cellular Mobile Radio System – Structure and its Workings

Cellular Mobile Radio System - Structure and its Workings: The third communication channel, mobile radio channel, extends the capability of the public telecommunications network by introducing mobility into the network…

Facsimile (FAX) Machine – Definition, Operation and Applications

Facsimile (FAX) Machine - Definition, Operation and Applications: In addition to the basic signals consisting of speech, music, or telegraph codes, a telecommunications system is often required to transmit signals…

Switch Mode Power Supply (SMPS) or Switching Regulators

Switch Mode Power Supply (SMPS) or Switching Regulators: Switch Mode Power Supply (SMPS) - The regulated power supplies described earlier were basically linear voltage regulators. A linear voltage regulator possesses…

Pin diagram of 16550 UART

Pin diagram of 16550 UART: The 16550 UART (Universal Asynchronous Receiver/Transmitter) is an integrated circuit which is used for the interfacing for serial communications. Usually, it is used to implement…

Pin Diagram of 8250 UART

Pin Diagram of 8250 UART: Pin Diagram of 8250 UART - The UART stands for Universal Asynchronous Receiver Transmitter. The UART is used in parallel-to-serial and serial-to-parallel conversions. Actually, UART…

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