| 摘要 |
Device for measurement of radio-frequency dynamical band of radio-receiver relates to electric communication and measuring equipment. Device includes radio-receiver with linear section, subtraction block, delay line, adaptive filter, n selective band filters, n peak detectors, first switch, calibrated attenuator and voltmeter of Average values. Additionally there is included block for selection of minimal and maximal values of signal voltage, this includes second switch, device for selection-storage, analog-digital transformer, block for separation of minimal value of signal voltage, block for separation of maximal value of signal voltage, address counter, generator of timing frequency and first, second and third monostable multivibrators. Blocks for separation of minimal and maximal values of signal voltage include the first, second, third, fourth, fifth and sixths digital registers, first and second multiplexers, first and second digit-analog transformers, first and second digital comparison devices, first and second logical elements Or-NOT, first and second low frequency filters and first, second, third and fourth logical elements AND-NOT. The device provides increase of accuracy and increase of range of measurements. |
