DEVICE FOR MEASURING RADIO RECEIVER NONLINEARITY DISTORTIONS

摘要

the device u043eu0442u043du043eu0441u0438u0442u0441u00a0 to u044du043bu0435u043au0442u0440u043eu0441u0432u00a0u0437u0438. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - improved accuracy by taking into account the u0438u0437u043cu0435u0440u0435u043du0438u00a0 in u0442u0435u0440u043cu043eu0434u0443u043bu00a0u0446u0438u043eu043du043du043eu0439 interference. the device contains a multiplier 1 frequency generators 2 and 3 of the 4 to 7, u043fu043eu043bu043eu0441u043eu0432u044bu0435 filters 8 and 9, u043cu043eu0434u0443u043bu00a0u0442u043eu0440u044b 10 - 14, 15 and 16, 17 u0441u0443u043cu043cu0430u0442u043eu0440u044b filter high frequency amplifier 18 you u043eu043au0438u0445 frequency spectrum analyzer 19 and 20 volts.in the figure shown as u0438u0437u043cu0435u0440u00a0u0435u043cu044bu0439 receiver 21. the signal containing the signal components u0438u043du0442u0435u0440u043cu043eu0434u0443u043bu00a0u0446u0438u043eu043du043du043eu0439 interference formed by u0443u043cu043du043eu0436u0438u0442u0435u043bu0435u043c 1 and u043cu043eu0434u0443u043bu00a0u0442u043eu0440u043eu043c 14 through adder 16 do at the entrance u0438u0437u043cu0435u0440u00a0u0435u043cu043eu0433u043e radio 21, whose output is on the spectrum analyzer 19 and 20 volts. 1 il.