ELEKTRONSKO VEZJE ZA MERJENJE ELEKTRICNE PREVODNOSTI ZA DETEKCIJO FIZIOLOSKIH SPREMEMB, oznaceno s tem, da je izhod iz operacijskega ojacevalnika (1) vezan prek upora (9) in diod (12,13) na negativni vhod operacijskega ojacevalnika (1), kamor je vezan tudi drugi prikljucek upora (8), katerega prvi prikljucek je vezan na maso vezja, prek kondenzatorja (15) in upora (11) pa tudi na pozitivni vhod operacijskega ojacevalnika (1), na katerega sta vezana druga prikljucka kondenzatorja (14) in upora (10), prva njihova prikljucka pa na maso vezja, ter prek kondenzatorja (16) in upora (17) na negativni vhod operacijskega ojacevalnika (2), katerega izhod je prek drsnika in drugega prikljucka potenciometra (20) vezan na negativni vhod operacijskega ojacevalnika (2), prek preklopnega in morovnega kontakta preklopnika (22) in detekcijskih sponk (23) na negativni vhod operacijskega ojacevalnika (3), kamor je vezan tudi drugi kontakt preklopnika (22) prek upora (24), pozitivni vhod operacijskega ojacevalnika (2) pa je prek upora (18) vezan na maso vezja, ter prek upora (19) na drsnik potenciometra (21), ki je s svojim prvim prikljuckom vezan na pozitivni pol (+), z drugim koncem pa na negativni pol (-) napajalne napetosti, pri cemer je izhod iz operacijskega ojacevalnika (3) vezan prek upora (25) na negativni vhod operacijskega ojacevalnika (3), katerega pozitivni vhod je vezan na maso vezja ter prek kondenzatorja (26) in upora 27) na negativni vhod operacijskega ojacevalnika (4), ki je s svojim izhodom prek upora (28) vezan na negativni vhod operacijskega ojacevalnika (4), katerega pozitivni vhod je prek upora (29) vezan na maso vezja, in da je prvi prikljucek kondenzatorja (30) vezan na izhod operacijskega ojacevalnika (4), drugi prikljucek pa prek upora (31) na negativni vhod operacijskega ojacevalnika (6) ter prek upora (32) na negativni vhod operacijskega ojacevalnika (5), na katerega je prek diode (36) ter diode (37) in upora (33) vezan izhod operacijskega ojacevalnika (5), katerega pozitivni vhod je prek upora (35) vezan na maso vezja, s tem da je izhod iz operacijskega ojacevalnika (6) prek upora (38) in kondenzatorja (40) vezan na negativni vhod operacijskega ojacevalnika (6), ki je prek upora (34) vezan tudi med diodo (37) in upor (33) ter prek upora (41) na negativni vhod operacijskega ojacevalnika (7), s tem, da je pozitivni vhod operacijskega ojacevalnika (6) prek upora (39) vezan na maso vezja, pozitivni vhod operacijskega ojacevalnika (7) pa prek upora (42) vezan na maso vezja ter prek upora (43) na drsnik potenciometra (45), ki je s svojim prvim prikljuckom vezan na pozitivni pol, z drugim prikljuckom na negativni pol napajalne napetosti, pri cemer je izhod iz operacijskega ojacevalnika (7) vezan na prvo izhodno sponko (48), prek prvega prikljucka in drsnika potenciometra (46) ter indikatorja (47) na drugo izhodno sponko (48), ki je vezana na maso vezja, ter prek drsnika in drugega konca potenciometra (44) na negativni vhod operacijskega ojacevaELECTRONIC CIRCUIT FOR MEASURING ELECTRICAL CONDUCTIVITY FOR DETECTION OF PHYSIOLOGICAL CHANGES, characterized in that the output from the operational amplifier (1) is connected via a resistor (9) and diodes (12,13) to the negative input of the operational amplifier, a second terminal of the resistor (8), the first terminal of which is connected to the ground of the circuit, via a capacitor (15) and a resistor (11) also to the positive input of the operational amplifier (1), to which the other terminals of the capacitor (14) 10) and their first connections to the circuit ground, and via a capacitor (16) and a resistor (17) to the negative input of the operational amplifier (2), the output of which is connected to the negative input of the operational amplifier via a slider and a second potentiometer connection (20). 2), via the switching and mains contact of the switch (22) and the detection terminals (23) to the negative input of the operational amplifier (3), to which the second contact of the switch (22) is connected via the resistor (24), the positive input of the operating amplifier the resistor (2) is connected to the ground of the circuit via a resistor (18) and to the slider of the potentiometer (21) via a resistor (19), which is connected to the positive pole (+) with its first connection and to the negative pole with the second end. (-) supply voltages, the output of the operational amplifier (3) being connected via a resistor (25) to the negative input of the operational amplifier (3), the positive input of which is connected to the circuit ground and via a capacitor (26) and a resistor 27) to the negative input of the operational amplifier (4), which is connected with its output via a resistor (28) to the negative input of the operational amplifier (4), the positive input of which is connected to the circuit ground via a resistor (29), and that the first capacitor terminal ) connected to the output of the operational amplifier (4), and the second connection via a resistor (31) to the negative input of the operational amplifier (6) and via a resistor (32) to the negative input of the operational amplifier (5) the diode (37) and the resistor (33) are connected to the output of the operational amplifier (5), whose positive input is connected to the ground of the circuit via a resistor (35), with the output of the operational amplifier (6) connected via a resistor (38) and a capacitor (40) to the negative input of the operational amplifier (6) via a resistor ( 34) is also connected between the diode (37) and the resistor (33) and via a resistor (41) to the negative input of the operational amplifier (7), wherein the positive input of the operational amplifier (6) is connected to the circuit ground via a resistor (39) and the positive input of the operational amplifier (7) is connected to the ground of the circuit via a resistor (42) and via a resistor (43) to the slider of the potentiometer (45), which is connected to the positive pole with its first terminal and to the negative terminal of the supply voltage. , wherein the output from the operational amplifier (7) is connected to the first output terminal (48), via the first terminal and slider of the potentiometer (46) and the indicator (47) to the second output terminal (48) connected to the circuit ground, and via the slider and the other end of the potentiometer (44) to the negative input of the operational amplifier