YAO Chang-fei, ZHOU Ming, LUO Yun-sheng, et al. Research on Millimeter Wave Broad-Band and Low Insertion Loss Limiters Based on Butterworth Low Pass Filter[J]. Acta Electronica Sinica, 2013, 41(9): 1809-1814.
YAO Chang-fei, ZHOU Ming, LUO Yun-sheng, et al. Research on Millimeter Wave Broad-Band and Low Insertion Loss Limiters Based on Butterworth Low Pass Filter[J]. Acta Electronica Sinica, 2013, 41(9): 1809-1814. DOI: 10.3969/j.issn.0372-2112.2013.09.022.
Equivalent circuit of a millimeter wave limiter is analyzed based on Butterworth (maximally flatness) low pass filter model.Considering the parasitic components of the limiter diodes
the whole limiter physical structure is setup.Diode parasitic parameters
bonding wire inductances
and complete limiter circuit matching networks are analyzed with EM software.A Ka full-band low insertion loss limiter is realized
the measured small-signal insertion loss is lower than 4.3dB in 26~40GHz
the lowest insertion loss is 2.2dB
and the VSWR is better than 1.95:1.At large signal condition with input continuous wave power of 0.5W
the peak leakage power is lower than 10.5dBm.The dimension of the limiter is 20?12?6mm
3
and its per
formance achieves the level of similar foreign products.