title: ÐÐ½Ð°Ð»Ð¸Ð· Ð¸ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ Ð´Ð¸Ð¾Ð´Ð½ÑÑ Ð¿ÑÐµÐ¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°ÑÐµÐ»ÐµÐ¹ ÑÐ°ÑÑÐ¾ÑÑ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Analysis and simulation of diode frequency converters
Creators: name: ÐÐ¾Ð»Ð¾Ð²Ð°Ð½Ñ, ÐÐ»ÑÐ³Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2021
Subjects: ÐÑÐµÐ¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°ÑÐµÐ»Ð¸ Ð°Ð½Ð°Ð»Ð¾Ð³Ð¾-ÑÐ¸ÑÑÐ¾Ð²ÑÐµ
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ÐºÐ¾ÑÑÑÐ¸ÑÐ¸ÐµÐ½Ñ Ð¿ÐµÑÐµÐ´Ð°ÑÐ¸
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Ð¼ÐµÑÐ¾Ð´ ÑÑÐ´Ð¾Ð² ÐÐ¾Ð»ÑÑÐµÑÑÐ°
diode frequency converters
conversion gain
RF-IF isolation
LO-IF isolation
noise figure
nonlinear distortion by third harmonic
nodal equations method
Volterra series method

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description: The aim of this work is to develop an analysis method for the linear, noise, and nonlinear characteristics of diode frequency converters and to estimate the limit values of these characteristics. The analysis method of diode frequency converters used nodal equations method was generalized. Linear, noise and nonlinear analyses of diode mixer circuits (unbalanced, balanced, double balanced and triple balanced) were performed. During the linear analysis theoretical expressions for the conversion gains, RF-IF and LO-IF isolations were obtained; during the noise analysis expressions for the noise figures were obtained; and during the nonlinear analysis expressions for the nonlinear distortion by 3-rd harmonic were obtained. As a result of the work, a comparative analysis of the of calculation and simulation results of the linear, nonlinear and noise characteristics of the mixers was carried out, which proves the high accuracy of the developed analysis method. The dependences of the linear and nonlinear characteristics of the mixers on the load resistance and the voltage amplitude of the local oscillator were obtained, which prove that by varying these parameters it becomes possible to select the optimal values of the conversion gain and the nonlinear distortion by 3-rd harmonic.