Non-Foster Impedance Wideband Matching Technique for Electrically Small Active Antenna

Table 1

Second order IMD result.

𝑓1±𝑓2/MHz	Output signal power/dBm	2nd order IMD/dBc
19−12=7	−7.0	61.0
11−3=8	−7.0	60.3
16−7=9	−7.0	60.7
11+3=14	−7.0	60.2
7+16=23	−7.0	59.8
10+11=21	−7.0	58.6
17+7=24	−7.0	59.4
19+8=27	−7.0	57.3