DEVICE FOR MEASURING RELATIVE AMPLITUDE-FREQUENCY CHARACTERISTICS Russian patent published in 2018 - IPC G01R27/28 

FIELD: radio engineering; measurement equipment.

SUBSTANCE: invention relates to radar measurements and can be used for control of amplitude-frequency characteristics of various radio blocks. Relative amplitude-frequency characteristics meter contains wobble generator 1, amplitude detector 3, divider 4, driver of the reference signal 5, indicator 6, frequency converter 7, first differentiator 8, comparator 9, matching unit 10, frequency converter into a code 11, first decoder 12, storage and retrieval unit 13, scale amplifier 14, amplitude selector 15, first time selector 16, first decadal counter 17, second decoder 18, second differentiator 19, first flip-flop 20, inverter 21, counting pulse generator 22, second flip-flop 23, second time selector 24, coincidence circuit 25, vernier pulse generator 26, second decadal counter 27, third decoder 28, second divider 29, third time selector 30, subtractor 31, signal modulus determination circuit 32, maximum signal value memory 33, adder 34, third divider 35, logarithmic amplifier 36, multiplier 37. Connection diagram of the elements of the meter is shown in Fig. 1.

EFFECT: meter provides expansion of functional possibilities by means of automatic additional definition of non-uniformity of amplitude-frequency characteristics of measured objects.

1 cl, 5 dwg