51 Research and Design, Electronic Engineers website - Embedded Systems, MCU, DSP, EDA, Test and Measurement, Components, Communications, Power, Microelectronics, Semiconductors

Sunday, October 26th, 2008 at 22:17 | No comments

Categories: Communication Networks

Tags: A5191HRT, HART, modem

Short Content: Abstract: First introduces A5191HRT the HART modem's principle. A5191HRT internal integrated has conformed to the Bell202 standard complete modulation demodulation electric circuit, was convenient with the microprocessor connection, is advantageous for the construction intelligence scene measuring appliance's HART agreement connection module electric circuit. Finally gives some intelligent scene measuring appliance based on A5191HRT and the AD421 electric current ring content, the mold switch's HART agreement connection module design.Key word: HART agreement; Serial communication; Frequency-shift keying; Modem 1 introduction    In the ...