Sen. Assist. Prof. Dobromir Dobrev, PhD | Publications

Home | CV | Publications

  1. Dobrev D, Alnasser E, Neycheva T. Lossy integrator readout circuit with active bias point. IEEE Sensors Journal, 2021, 25808-25817, IF = 3.073
  2. Dobrev D, Alnasser E, Neycheva T. Application of active biased integrators for biosignal processing. XXX International Scientific Conference Electronics (ET), 2021, 1-5
  3. Dobrev D, Alnasser E, Neycheva T. Analysis of AC amplifiers with ultra-low corner frequency by using bootstrapping. XXX International Scientific Conference Electronics (ET) 2021, IEEE, 2021, 1-4
  4. Alnasser E, Dobrev D, Neycheva T. A lossy integrator with active bias point. TechRxiv, 2021, DOI:10.36227/techrxiv.14500050.v1, 1-7
  5. Dobrev D, Neycheva T. Comments on: “An analog bootstrapped biosignal read-out circuit with common-mode impedance two-electrode compensation”. ResearchGate GmbH, 2021, DOI:10.13140/RG.2.2.23297.07529, 1-5
  6. Dobrev D, Neycheva T. Comments on: An analog bootstrapped biosignal read-out circuit with common mode impedance two-electrode compensation. IEEE Sensors Journal, 21, 14, 2021, 16395-16395. IF = 3.301
  7. Dobrev D, Neycheva T. Software automatic gain control for common mode interference stabilization. XXIX International Scientific Conference Electronics (ET), 2020, 1-3
  8. Dobrev D, Neycheva T. Correlated multiple sampling techniques for sensor signal conditioning. XXIX International Scientific Conference Electronics (ET), 2020, 1-4
  9. Dobrev D, Neycheva T. Automatic common mode electrode-amplifier impedance balance: Implementation and results. XXVIII International Scientific Conference Electronics (ET), 2019, 1-4
  10. Dobrev D, Neycheva T. Automatic current driven electrode-amplifier impedance balance with SPLL synchronization. Proc. XXV International Scientific Conference Electronics (ET), 2016, 1-4
  11. Dobrev D, Neycheva T. Automatic common mode electrode-amplifier impedance balance with SPLL synchronization. Proc. XXV International Scientific Conference Electronics (ET), 2016, 1-4
  12. Dobrev D. Simulate digital filters with PSpice. EDN, 2015
  13. Dobrev D. Software PLL syncs to line using moving-average filter. EDN, 2015
  14. Dobrev D, Neycheva T. Software PLL for power-line interference synchronization: Implementation and results. Annual Journal of Electronics, 9, Technical University Sofia, 2015, 18-21
  15. Dobrev D, Neycheva T. Adaptive incremental estimation filter for AC noise in the electrocardiogram. Annual Journal of Electronics, 9, Technical University Sofia, 2015, 14-17
  16. Dobrev D, Neycheva T. Software PLL for power-line interference synchronization: Design, modeling and simulation. Annual Journal of Electronics, 8, Technical University Sofia, 2014, 58-61
  17. Dobrev D, Neycheva T. Current driven automatic electrode impedance balance for ground-free biosignal acquisition. Annual Journal of Electronics, 8, Technical University Sofia, 2014, 62-65
  18. Dobrev D, Neycheva T. Digital Lock-in Technique for Input Impedance Balance in Two-electrode Biosignal Amplifiers. Annual Journal of Electronics, 7, Technical University Sofia, 2013, 64-67
  19. Dobrev D, Neycheva T. Analog Approach for Common Mode Impedance Balance in Two-electrode Biosignal Amplifiers. Annual Journal of Electronics, 7, Technical University Sofia, 2013, 68-71
  20. Dobrev D. Robert B. Northrop: Analysis and application of analog electronic circuits to biomedical instrumentation. Biomedical Engineering Online, 11, 29, Springer Nature, 2012, 1-7, IF = 2.464
  21. Dobrev D, Neycheva T. Simple two-electrode bootstrapped non-differential biopotential amplifier. Annual Journal of Electronics, 6, 1, Technical University Sofia, 2012, 8-11
  22. Dobrev D, Neycheva T. Increased power-line interference rejection by a stray capacitance drive. Annual Journal of Electronics, 6, 1, Technical University Sofia, 2012, 12-15
  23. Dobrev D, Neycheva T. Increased power-line interference rejection by adaptive common mode impedance balance. Annual Journal of Electronics, 5, 2, Technical University Sofia, 2011, 80-83
  24. Dobrev D, Neycheva T. Bootstrapped instrumentation biosignal amplifier. Annual Journal of Electronics, 5, 2, Technical University Sofia, 2011, 76-79
  25. Neycheva T, Dobrev D. Integer coefficients comb filter for mains interference extraction. Annual Journal of Electronics, 4, 2, Technical University Sofia, 2010, 130-133
  26. Dobrev D, Neycheva T, Krasteva V, Iliev I. High-Q comb FIR filter for mains interference elimination. Annual Journal of Electronics, 4, 2, Technical University Sofia, 2010, 126-129
  27. Neycheva T, Dobrev D, Mudrov N. High-Q bandpass comb filter for mains interference extraction. International Journal Bioautomation, 13, 4, 2009, 7-12
  28. Dobrev D, Neycheva T, Mudrov N. Transformerless high-quality electrocardiogram and body impedance recording by an amplifier with current-driven inputs. International Journal Bioautomation, 13, 4, 2009, 1-6
  29. Dobrev D, Neycheva T, Mudrov N. Simple high-Q comb filter for mains interference and baseline drift suppression. Annual Journal of Electronics, 3, 1, Technical University Sofia, 2009, 50-52
  30. Dobrev D, Neycheva T, Mudrov N. High-Q comb filter for mains interference suppression. Annual Journal of Electronics, 3, 1, Technical University Sofia, 2009, 47-49
  31. Dobrev D, Neycheva T, Mudrov N. Simple high-Q comb filter for mains interference suppression. XVII International Scientific and Applied Science Conference Electronics 2008, 1, Technical University Sofia, 2008, 25-30
  32. Dobrev D, Neycheva T, Mudrov N. Frequency response of digital lock-in technique for powerline interference extraction. XVII International Scientific Conference Electronics 2008, 1, Technical University Sofia, 2008, 31-36
  33. Dobrev D, Neycheva T, Mudrov N. Digital lock-in techniques for adaptive power-line interference extraction. Physiological Measurement, 29, 7, 2008, 803-816. IF = 1.951
  34. Dobrev D, Neycheva T, Mudrov N. Bootstrapped two-electrode biosignal amplifier. Medical and Biological Engineering and Computing, 46, 6, 2008, 613-619. IF = 1.843
  35. Dobrev D, Neycheva T, Mudrov N. Digital lock-in techniques for adaptive power-line interference extraction. XVI International Scientific Conference Electronics 2007, Technical University Sofia, 2007, 9-14
  36. Neycheva T, Dobrev D. Photoplethysmographic detector for peripheral pulse registration. XIV International Scientific Conference Electronics 2005, Technical University Sofia, 2005, 31-36
  37. Dobrev D, Neycheva T, Mudrov N. Simple two-electrode biosignal amplifier. Medical and Biological Engineering and Computing, 43, 6, 2005, 725-730. IF = 1.484
  38. Dobrev D. Two-electrode low supply voltage electrocardiogram signal amplifier. Medical and Biological Engineering and Computing, 42, 2, Springer, 2004, 272-276. IF = 1.285
  39. Dobrev D. Amplifier and current source emulate instrumentation amplifier. EDN, 2003
  40. Dobrev D. High-CMRR instrumentation amp works with low supply voltages. EDN, 2003
  41. Dobrev D. Two op amps provide averaged absolute value. EDN, 2003
  42. Dobrev D. Use PSpice for behavioral modeling of VCOs. EDN, 2002
  43. Добрев Д. Двуелектроден усилвател на биосигнали. Electrotechnica & Electronica E+E, 1-2, 2002, 22-26
  44. Dobrev D. Two-electrode non-differential biopotential amplifier. Medical and Biological Engineering and Computing, 40, 5, Springer Nature, 2002, IF = 1.189
  45. Dobrev D, Daskalov I. Two-electrode biopotential amplifier with current-driven inputs. Medical and Biological Engineering and Computing, 40, 1, Springer Nature, 2002, 122-127. IF = 1.189
  46. Добрев Д. Сравнение на дифиренциален с несиметричен усилвател на ЕКГ сигнали. Сб. доклади конф. “Електроника 2000”, Окт. 2000 Ботевград, 2000, 199-205
  47. Добрев Д. Използване на електрокардиографски сигнал за регистриране на дихателната дейност при новородени. Electrotechnica & Electronica E+E, 9-10, 1999, 21-25
  48. Dobrev D, Daskalov I. Two-electrode telemetric instrument for infant heart rate and apnea monitoring. Medical engineering & physics, 20, 10, Elsevier, 1999, 729-734. IF = 0.342
  49. Добрев Д. Регистриране на дихателна дейност чрез електрокардиографски сигнали. Пета научно-приложна конф. ЕТ 96 , 27-29 Септ. Созопол, 3, 1996, 30-36
  50. Добрев Д. Акустичен метод за мониториране на апнея. Пета научно-приложна конф. ЕТ 96 , 27-29 Септ. Созопол, 3, 1996, 37-42

 

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