EIGHT CHANNEL COMPUTERIZED 3SUP1 SUP SUB2 SUB DIGIT_VM
#voltage measurement
#analog-to-digital converter
#microprocessor
#BASIC
#CRT terminal
#Motorola MC14433
#DC voltage
#keyboard control
#integrator
Description: Displays up to eight different DC voltages on a CRT terminal of a microprocessor under keyboard control, using BASIC commands and a BASIC routine provided in the article. Utilizes a modified Motorola MC14433 dual-lamp integrating analog-to-digital converter. An unknown voltage is applied to the integrator, which has a defined integration time constant for a predetermined time limit.
The circuit described is designed to measure and display multiple direct current (DC) voltages using a cathode ray tube (CRT) terminal interfaced with a microprocessor. This system operates under the control of a keyboard, allowing users to select which voltage to display via BASIC programming commands. The integration of the modified Motorola MC14433 dual-lamp integrating analog-to-digital converter (ADC) is central to this circuit's functionality.
The MC14433 is an integrating ADC that converts an analog voltage to a digital value by integrating the input signal over a defined time period. The modification of this device potentially enhances its capabilities or adjusts its performance characteristics to better suit the application. The circuit applies an unknown input voltage to the integrator, which is configured with a specific time constant. This time constant is crucial as it dictates how the integrator responds to the input voltage over time, ensuring that the voltage is measured accurately within the set time limit.
The microprocessor processes the digital output from the ADC, converting it into a readable format for display on the CRT terminal. The BASIC commands facilitate the interaction between the user and the microprocessor, allowing for flexibility in selecting which of the eight voltages to display.
This system's design emphasizes the importance of precise voltage measurement and display in applications where monitoring multiple DC voltages is necessary. The integration technique employed by the MC14433, combined with the microprocessor's processing capabilities, allows for effective data handling and visualization in real-time. Overall, this circuit represents a sophisticated approach to voltage measurement, combining analog and digital technologies to achieve a functional and user-friendly interface.Displays up to eight different DC voltages on CRT terminal of microprocessor under key-board control, using BASIC commands and BASIC routine given in article. Uses Motorola MC14433 modified dual-lamp integrating analog-to-digital converter. Unknown voltage is applied to integrator having defined integration time constant for predetermined time limit, to gi..
The circuit described is designed to measure and display multiple direct current (DC) voltages using a cathode ray tube (CRT) terminal interfaced with a microprocessor. This system operates under the control of a keyboard, allowing users to select which voltage to display via BASIC programming commands. The integration of the modified Motorola MC14433 dual-lamp integrating analog-to-digital converter (ADC) is central to this circuit's functionality.
The MC14433 is an integrating ADC that converts an analog voltage to a digital value by integrating the input signal over a defined time period. The modification of this device potentially enhances its capabilities or adjusts its performance characteristics to better suit the application. The circuit applies an unknown input voltage to the integrator, which is configured with a specific time constant. This time constant is crucial as it dictates how the integrator responds to the input voltage over time, ensuring that the voltage is measured accurately within the set time limit.
The microprocessor processes the digital output from the ADC, converting it into a readable format for display on the CRT terminal. The BASIC commands facilitate the interaction between the user and the microprocessor, allowing for flexibility in selecting which of the eight voltages to display.
This system's design emphasizes the importance of precise voltage measurement and display in applications where monitoring multiple DC voltages is necessary. The integration technique employed by the MC14433, combined with the microprocessor's processing capabilities, allows for effective data handling and visualization in real-time. Overall, this circuit represents a sophisticated approach to voltage measurement, combining analog and digital technologies to achieve a functional and user-friendly interface.Displays up to eight different DC voltages on CRT terminal of microprocessor under key-board control, using BASIC commands and BASIC routine given in article. Uses Motorola MC14433 modified dual-lamp integrating analog-to-digital converter. Unknown voltage is applied to integrator having defined integration time constant for predetermined time limit, to gi..
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