Before revision: Likewise, two-tone testing of these components needs to be done with great care and precision since intermodulation products at these low levels can easily be generated within the test setup accidentally.Pozar, p. 519 IEC 62037-1, "Passive RF and microwave devices, intermodulation level measurement - Part 1: General requirements and measuring methods " .IEC 62037-1:2012, International Electrotechnical Commission, 29 May 2012.
After revision: Likewise, two-tone testing of these components needs to be done with great care and precision since intermodulation products at these low levels can easily be generated within the test setup accidentally.Pozar, p. 519 IEC 62037 "Passive RF and microwave devices, intermodulation level measurement " There is an international standard,