No. 57 (2014)

Published: 2014-06-28

Radio Circuits and Signals

The optimization of QAM signals demodulator

O. I. Pavlov, O. S. Zaharchenko

13-22
- PDF (Українська)

Computing methods in radio electronics

Modifikation of iteration algorithm for computing the surface conductivities increments solving the inverse problem of electrical impedance tomography

I. O. Sushko

23-34
- PDF (Українська)

Electrodynamics. Microwave devices. Antennas

Enhanced C-band Coaxial Orthomode Transducer

S. I. Piltyay

35-42
- PDF
Influence of the directional coupler’s parameters on the characteristics of Butler matrix 4×4

O. S. Postulga, S. Ye. Martynyuk

43-50
- PDF (Русский)
Broadband antenna with frequency scanning

A. A. Shekaturin, D. A. Kovalchuk

51-55
- PDF (Русский)
Multiphase high frequency apparatus for disinfestation and drying of grain

Yu. F. Zinkovskiy, Yu. K. Sydoryk, A. O. Turovskiy

56-67
- PDF (Українська)

Telecommunication, navigation, radar systems, radiooptics and electroacoustics

Estimation of the LTE relay influence on the cell

V. Ya. Voropayeva, Y. O. Yushkevich

68-76
- PDF (Українська)
Radar-eddy current GPR

A. O. Abramovych

77-82
- PDF (Українська)

Theory and Practice of Radio Measurements

Assessment of the impact parameters switching in the switching-modulation converters

V. P. Kutsenko, A. F. Yanenko, K. L. Shevchenko

83-91
- PDF (Українська)

Designing of Radio Equipment

Determination of reliability parameters of radioelectronic devices determined by thermal modes

A. V. Nikitchuk, B. M. Uvarov

92-103
- PDF (Українська)
Vibrational compensation crystal oscillator frequency instability in multifrequency excitation mode piezoelectric resonator

S. K. Pidchenko, A. A. Taranchuk, V. I. Stetsyuk, R. P. Khoptinskiy

104-112
- PDF (Українська)

Functional Electronics. Micro- and Nanoelectronic Technology

Resonance filtration by two-phase resonators

M. V. Vodolazka, A. P. Tolstenkova, E. A. Nelin

113-120
- PDF (Українська)
Generators of the auxiliary signals based on the Josephson junctions

V. M. Kychak, M. D. Huz, V. V. Kychak, A. V. Verheliuk

121-127
- PDF (Українська)

Information Security

Revealing of steganograms with data, which are hidden in transformation domain of digital images

D. O. Progonov, S. M. Kushch

128-142
- PDF (Українська)

Information about completed design

Wideband bioimpedance meter with the adaptive selection of frequency grid

V. S. Mosiychuk, G. V. Timoshenko, O. B. Sharpan

143-148
- PDF (Русский)
Method of object ranging by signaling security means based on measurement of electrical capacity of sensing element

A. B. Dobrovolskyi

149-157
- PDF (Українська)