Contents

Instruments and Experimental Techniques

Vol. 69, No. 3, 2026

NUCLEAR EXPERIMENT TECHNOLOGY

A Compact Time-of-Flight Spectrometer of Neutrons in the 1–200-MeV Energy Range

V. I. Yurevich, N. A. Lashmanov, V. Yu. Rogov, S. A. Sedykh, S. V. Sergeev, M. N. Kapishin, S. M. Piyadin, S. N. Bazilev, I. V. Slepnev, V. V. Tikhomirov, A. V. Shutov, A. V. Shchipunov, A. A. Timoshenko, I. A. Filippov, and V. K. Velichkov p. 433  abstract

Two Operation Modes of a Gas Proportional Counter when Registrating Single-Electron Events

A. V. Kopylov, I. V. Orekhov, V. V. Petukhov, and A. E. Solomatin p. 441  abstract

Methods for Trapezoidal Pulse Shaping of Exponential Doublets and Triplets Using Digital Signal Processing

M. A. Golubev, T. I. Glushkova, and V. A. Solovei p. 446  abstract

ELECTRONICS AND RADIO ENGINEERING

A Pulse-Periodic Source of Nanosecond Microwave Pulses Based on a Corrugated Transmission Line with a Saturated Ferrite

P. V. Priputnev, I. V. Romanchenko, V. Yu. Konev, R. K. Sobyanin, Yu. A. Andreev, and V. V. Plisko p. 458  abstract

Pulsed Power Supply Module of Betatron Electromagnet for Mobile Gamma-ray Generator

O. A. Shamro, A. I. Bunin, V. I. Nizhegorodtsev, K. V. Savchenko, V. D. Selemir, V. A. Fomichev, and A. A. Chinin p. 472  abstract

GENERAL EXPERIMENTAL TECHNIQUES

MEPhIST-0 Tokamak Microwave Interferometer with Frequency Sweeping

E. A. Vinitskiy, A. S. Drozd, I. I. Pashkov, A. Basak, S. A. Sapronov, and S. A. Krat p. 478  abstract

GENERAL EXPERIMENTAL TECHNIQUES

Multi-Channel Integrated Electronics Design for Bolometer Diagnostic Based on Metal Foil Detector in Tokamak Device

Zhong-Hui Wang, Hong-Rui Cao, Shi-Xing Liu, Yan-Min Duan, and Jin-Long Zhao p. 486  abstract

GENERAL EXPERIMENTAL TECHNIQUES

Experimental Setup for Plasma-Stimulated Modification of Biopolymer Materials

V. V. Andreev, A. V. Artem’ev, I. A. Barykov, E. I. Grudiev, S. A. Dvinin, A. V. Kalashnikov, L. V. Konovaltseva, A. S. Kritchenkov, and D. V. Chuprov p. 496  abstract

Automated Determination of Time Delay between Radiation Signals for Time-of-Flight Diagnostics of Plasma Flow

A. A. Mamonov, K. M. Gutorov, V. S. Chernyshev, and V. L. Podkovyrov p. 510  abstract

GENERAL EXPERIMENTAL TECHNIQUES

Use of SDR Receivers for Recording Signals from Fiber-Optic Interferometric Sensors with RF Modulation of a Laser Diode

M. P. Kalaev and A. M. Telegin p. 522  abstract

GENERAL EXPERIMENTAL TECHNIQUE

Study of the Possibility of Detecting Physical Impacts on a Fiber Sensor Using a Frequency Domain Optical Reflectometer with Reference Channel Multiplexing

D. A. Kambur, Yu. A. Konstantinov, D. Klod, M. E. Belokrylov, E. E. Totmina, and F. L. Barkov p. 531  abstract

GENERAL EXPERIMENTAL TECHNIQUE

Methods for Increasing the Spatial Resolution and Sensitivity of Classical Hall Magnetometers

Kh. R. Rostami and I. P. Nikitin p. 539  abstract

PHYSICAL INSTRUMENTS FOR ECOLOGY, MEDICINE, AND BIOLOGY

A New Radio Telescope of the Mobile VLBI Station of the “QUASAR” Network

M. B. Zotov, D. V. Ivanov, and E. Yu. Khvostov p. 549  abstract

A Mobile VLBI Station Receiving System

M. B. Zotov, Yu. V. Vekshin, A. S. Lavrov, M. A. Maslov, I. A. Pozdnyakov, and E. Yu. Khvostov p. 556  abstract

Registration of Solar Radiation in the 8–14-μm Atmospheric Transparency Window Using the Technical Background of the “Solntse-Terahertz” Scientific Instrumentation

M. V. Philippov, V. S. Makhmutov, G. I. Kropotov, A. A. Shakhmin, V. K. Iliasov, M. V. Razumeyko, E. D. Tulnikov, and S. V. Sokov p. 565  abstract

Use of a Software-Defined Radio System for Processing the Multichannel Grid Detector Signal

M. P. Kalaev and A. M. Telegin p. 572  abstract

Intraoperative Electroimpedance Methodology in High-Frequency Surgery

S. V. Belavskaya, L. I. Lisitsyna, V. P. Razinkin, I. A. Anokhin, and A. M. Semenov p. 579  abstract

LABORATORY EQUIPMENT

A Microprocessor-Based Temperature-Compensated Bias-Voltage Source for a Silicon Photomultiplier

V. V. Rakhmanov, S. V. Dvoynishnikov, V. G. Meledin, G. V. Bakakin, and K. S. Zubanov p. 590  abstract

Development of a System for Positioning and Ion Processing of a Substrate in Vacuum

A. D. Kouptsov, S. V. Sidorova, A. M. Rudenko, and G. A. Dyachkov p. 597  abstract

Miniature Flow Helium Cryostat for Gamma Resonance, X-Ray, and Optical Studies of Samples in Vacuum

O. N. Morozov, I. S. Lyubutin, and Yu. M. Dymshits p. 603  abstract

INSTRUMENTS AND TECHNIQUES FOR DEMONSTRATION AND EDUCATIONAL EXPERIMENTS

Laboratory Setup for Studying the Interaction of Two Conducting Spheres

E. G. Apushkinskii, E. V. Gol’dberg, V. P. Savel’ev, and A. S. Sklyarova p. 609  abstract