S21 (at center frequency) 19 dB Table 3. Summary of Filter Specifications. Supply voltage 1.8 V Current 7.7 mA Power consumption 14 mW Center frequency 1 GHz S21 (at center frequency) 19 dB |S11| -70 dB |S22| -60 dB BW(-3dB) ≈4 MHz Low-bandwidth linear noise at output <50 nV Siavash Heydarzadeh et al. 1 GHz CMOS Band-pass Filter Design Using an Active Inductor and Capacitor. American Journal of Electrical and Electronic Engineering, 2013, Vol. 1, No. 3, 37-41. doi:10.12691/ajeee-1-3-1 © The Author(s) 2013. Published by Science and Education Publishing.