RT Journal Article ID 5d31553b0de6ab8a A1 Pechenin , V. V. A1 Shcherbina, K. A. A1 Msallam, E. P. A1 Vonsovich, М. А. T1 THE PHASE-LOCKED LOOP SYSTEM WITH COMBINED CONTROL OF THE VARIABLE-FREQUENCY OSCILLATOR JF Telecommunications and Radio Engineering JO TRE YR 2017 FD 2017-09-07 VO 76 IS 7 SP 617 OP 633 K1 phase and frequency manipulations K1 lock range K1 holding range, phase-locked loop AB The presented study provides the results related to the improvement of the combined phase locked loop control system with voltage controlled oscillator. The research is aimed at a tracking system development, and others radio engineering equipment improving. PB Begell House LK https://www.dl.begellhouse.com/journals/0632a9d54950b268,1b0346b02b4da952,5d31553b0de6ab8a.html