FIELD: measurement.
SUBSTANCE: group of inventions relates to the field of measurement equipment and can be used in instrument engineering for conversion of voltage into a digital code. Device comprises voltage-to-frequency converter including integrator consisting of input resistor Ri, operational amplifier and capacitor in feedback, two threshold devices, two synchronous pulse shaper and two integrator reset circuits - positive and negative polarity, consisting of resistors Rt, Rb and keys, reversible pulse counter, auxiliary analogue-to-digital converter, computing device, measurement circuit of arrival time of count pulses.
EFFECT: technical result is higher resolution of device.
2 cl, 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| ANALOG-TO-DIGITAL CONVERTER WITH INTERMEDIATE CONVERSION TO FREQUENCY | 1990 |
|
RU2007029C1 |
| ANALOG-TO-DIGITAL CONVERTER WITH INTERMEDIATE FREQUENCY CONVERSION | 0 |
|
SU1644382A1 |
| ANALOG-TO-DIGITAL CONVERTER WITH INTERMEDIATE VOLTAGE-TO-FREQUENCY CONVERSION | 0 |
|
SU1102035A1 |
| ANALOG-TO-DIGITAL CONVERTER USING VOLTAGE-TO-FREQUENCY CONVERSION | 0 |
|
SU1651381A1 |
| ANALOG-TO-DIGITAL CONVERTER WITH FREQUENCY CONVERSION | 0 |
|
SU1150769A1 |
| ANALOG-TO-DIGITAL CONVERTER WITH INTERMEDIATE VOLTAGE CONVERSION TO PULSE FREQUENCY | 0 |
|
SU1305856A1 |
| INTEGRATING ANALOGUE-TO-DIGITAL CONVERTER WITH PULSE-WIDTH MODULATION | 2014 |
|
RU2552147C1 |
| METHOD FOR INTEGRATION ANALOG-DIGITAL CONVERSION OF VOLTAGE | 2005 |
|
RU2294595C1 |
| ANALOG-TO-DIGITAL CONVERTER | 1992 |
|
RU2062549C1 |
| METHOD OF AND DEVICE FOR ANALOG-TO-DIGITAL CONVERSION | 0 |
|
SU1837395A1 |
