Table 2: Performance summary of DSPSL-to-CPW transitions.

Bandwidth (GHz)Insertion lossReturn lossDielectric constant of the substrate

[9] <1.8 dB>10 dB9.6
[10] <1.4 dB>10 dB6.15
[11] <1 dB (Some resonant points exist)>10 dB (Some resonant points exist)3.38
This work <1.2 dB>10 dB3.38