2009 г., Выпуск 3

V.S. Figurov

ESTIMATION OF DIFFERENCES OF JUNCTION IONIZATION CURRENT PEAK VALUES FOR RADIATION PULSE SHAPE OF THE RIUS-5 INSTALLATION AND STANDARD SHAPE OF THE PULSED IONIZING RADIATIONS

A range of possible values of junction ionization current peak values by standard shape of the pulsed ionizing radiation and radiation pulse shape of the accelerator RIUS-5 is determined.
Keywords: ionization current, junction, RIUS-5 accelerator, ionizing radiation.

V.S. Figurov, V.V. Baykov, V.V. Shelkovnikov

EXPERIMENTAL INVESTIGATION OF DEPENDENCE OF THE THYRISTOR EFFECT EXCITATION LEVEL IN THE IC 1485ХК4Т ON IONIZING RADIATION PULSE SHAPE

Methods of estimation of dependence of threshold malfunctions on the ionizing radiation pulse shape were developed. As a result of determination of the thyristor effect excitation level in the IC 1485ХК4Т on exposure to radiation pulses of the accelerators RIUS-5 and UIN-10 an estimation of the effective relaxation time for the thyristor effect excitation process was performed.
Keywords: estimation method, thyristor effect, ionizing radiation.

V.S. Figurov, V.V. Baykov, V.V. Shelkovnikov, D.A. Alyoshechkin, N.S. Bolnykh

EXPERIMENTAL ESTIMATION OF IMPACT OF THE LEAD-ALUMINUM CONTAINER ON PHOTON RADIATION IONIZING CAPACITY BY TESTS ON THE ACCELERATOR RIUS-5

Experimental estimation of relative efficiency of the accelerator RIUS-5 photon radiation by tests of IC 5584КП11Т and diodes 2Д103А with use of a double-layer shielding container Pb-Al (~ 2 mm Pb and ~ 0,8 mm Al) and without it was performed. Preliminary estimations of dependence of efficiency of this installation radiation on relative positions of the testing products and detectors ИС-7, as well as anisotropy sensitivity of these detectors were obtained.
Keywords: installation RIUS-5, photon radiation.

V.S. Figurov, V.V. Baykov, V.V. Shelkovnikov

EXPERIMENTAL ESTIMATION OF DEPENDENCE OF MALFUNCTION-FREE OPERATION LEVEL OF RADIO DEVICES ON THE IONIZING RADIATION PULSE SHAPE BY FIXED VALUE OF THE PULSE EFFECTIVE DURATION

A breadboard model making possible to model the ionizing radiation pulse with wide range varying of the pulse shape by fixed value of the pulse effective duration was made. It was shown experimentally that the malfunction-free operation level of the device on exposure to radiation can significantly vary by change of the pulse shape with fixed value of the pulse effective duration.
Keywords: ionizing radiation, pulse effective duration.

V.S. Figurov

ESTIMATION OF MINIMAL VALUES OF THRESHOLD MALFUNCTION AND FAILURE LEVELS OF ELECTRONIC DEVICES EXPOSED TO THE PULSED IONIZING RADIATIONS BY RESULTS OF TESTS ON THE MODELING DEVICES

Relations for calculation of estimations of the minimal values of threshold malfunction and failure levels of electronic devices by exposing to the pulsed ionizing radiation in units of dose rate and pulse dos were justified.
Keywords: ionizing radiation, threshold malfunction, electronic device failure.

V.S. Figurov

INTERRELATIONS OF CALIBRATION COEFFICIENT, RADIATION RELATIVE EFFICIENCY COEFFICIENT AND SHAPE COEFFICIENT FOR TWO DIFFERENT MODELING DEVICES OF PULSED IONIZING RADIATION

Interrelation and physical significance of the calibration coefficient, relative efficiency coefficient and shape coefficient used for reaching unity and correlation of the electronic device radiation test results on various modeling installations is considered. The methods of experimental determination of these coefficients are proposed.
Keywords: radiation tests, ionizing radiation, modeling installations.

V.S. Figurov, V.V. Baykov, V.V. Shelkovnikov

EXPERIMENTAL ESTIMATION OF PHOTON RADIATION RELATIVE EFFECTIVENESS OF THE INSTALLATIONS LIU-10 AND RIUS-5

On results of determination of p-i-n-diode “flowerbed” integral responses to pulses of the installations LIU-10 and RIUS-5 an estimation of the photon radiation relative effectiveness was determined for these installations. The obtained assessment characterizes relative ionization ability of the installations involved and does not depend on the shape of their pulses.
Keywords: modeling installations, photon radiation, diode

V.S. Figurov, V.V. Baykov, V.V. Shelkovnikov, A.S. Artamonov

INVESTIGATIONS OF DEPENDENCE OF THE IC CURRENT CONSUMPTION PEAK VALUES BY THE ACTION OF THE PULSED IONIZING RADIATIONS UPON SUPPLY VOLTAGE AND LOAD RESISTANCE

A relationship of the 5584КП11Т IC current consumption peak values upon supply voltage and load resistance was studied experimentally. Dynamic voltage-current characteristics of this IC were measured and their dependence on the load resistance value in the measuring circuit was demonstrated. A necessity of the further investigations to improve technique of the remote measurements on exposure to the ionizing radiation with effective duration about 10 ns was shown.
Keywords: ionizing radiation, consumption current.

D.A. Nozdrin, S.A. Rodnov, F.V. Chubrukov, V.M. Romanenko

RESULTS OF RADIATION TESTS OF THE FOREIGN-MADE DISCRETE COMPONENTS

Generalized results of experimental investigations of the foreign-made semiconductor components on modeling devices of RISI are presented.
Keywords: radiation tests, semiconductor devices.

V.S. Bobrovsky, V.N. Bogdanov, A.K. Vinogradov, A.G. Kudinkin, V.A. Sapozhnikov

PECULIARITIES OF THE OPERATION OF ANTENNA FILTERS IN THE FIELDS OF IONIZING AND ELECTROMAGNETIC RADIATIONS.

Results of tests of an antenna filter on pulsed gamma radiation and electrical pulse, simulating an action of the electrical field, are presented. Analysis of the obtained results and estimation of value of pulsed inducing on the capacitor К15У-1а are given.
Keywords: antenna filter, ionizing radiation.

N. I. Terentyev

INVESTIGATIONS ON THE PULSED X-RAY UNIT MIRA-5B PULSE FORM

Investigations on the pulsed X-ray unit MIRA-5B pulse parameters distorted with inertial properties of measuring channels are performed. The measuring channels with detectors СКД1, detectors ППД based on 2А523Б diodes and ППД with diamond sensors are used. Cable transfer lines type РК75-9-13 with length 10 m and РК75-4-15 with length 8 – 12 m were applied. As digital recorders oscilloscopes LeCroy 6100 with frequency limit 1 GHz and TDS3054 with frequency limit 500 MHz are used. Pulse duration of the reconstructed main pulse is estimated at 1.3 ns.
Keywords: X-ray unit MIRA-5B, method of pulse shape measurement.

A.A. Altukhov, O.F. Gerasimov, Y.V. Gostev, A.V. Mityonkin, M.G. Sitnikov

ELECTRON AND PROTON RADIATION DOSIMETER WITH DIAMOND SENSOR

Possibility of the electron radiation absorbed dose measurement by means of a dosimeter with sensor made of diamond monocrystal is demonstrated experimentally.
Keywords: absorbed dose, radiological control, diamond sensor.

A.A. Altukhov, O.F. Gerasimov, I.O. Vasilyev, V.A. Agupov, V.A. Styazhkin

MARKOVIAN QUEUE IN THE DIAMOND SPECTROMETRY OF CHARGED HEAVY PARTICLES

For improving of the scientific-methodical and technical basis of metrological support of weaponry object and defense equipment radiation resistance tests it was developed a software and hardware complex for the charged heavy high energy particles spectrometry.
Keywords: queuing system, ionizing radiation.