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. 2023 Dec 20;24(1):32. doi: 10.3390/s24010032

Table 3.

Comparison of the proposed filter’s properties with those of mixed-mode universal filters.

Factor Proposed [29] [32] [45] [51] [59] [60] [61]
Number of active devices 4-DDTA 3-DDCC 1-FDCCII, 1-DDCC 2-VDBA 3-VDBA 5-OTA 8-OTA 5-DDTA
Realization 0.18 µm CMOS 0.25 µm CMOS 0.18 µm CMOS 0.18 µm CMOS 0.18 µm CMOS 0.18 µm CMOS 0.18 µm CMOS 0.18 µm CMOS
Number of passive devices 2-C 2-C, 3-R 2-C, 6-R 2-C, 2-R 2-C, 1-R 2-C 2-C 2-C
Type of filter MIMO MISO MIMO MIMO MIMO MISO MIMO MIMO
Total number of offered responses 61 30 36 17 20 20 20 36
Each mode offers five standard responses Yes Yes Yes No Yes Yes Yes Yes
Orthogonal control of ωo and Q Yes Yes Yes Yes Yes Yes Yes Yes
Electronic control of ωo Yes No No Yes Yes Yes Yes Yes
All passive devices grounded Yes Yes No No No Yes Yes Yes
High input impedances for VM Yes Yes No No No Yes Yes Yes
No need for input matching conditions Yes Yes Yes Yes No Yes Yes Yes
No need for inverting input conditions Yes Yes Yes Yes Yes Yes Yes Yes
Power supply (V) 0.5 ±1.25 ±0.9 ±0.75 ±1.25 ±0.9 ±0.3 1.2
Power dissipation (mW) 0.281 × 10−3 - - 0.373 5.482 0.1773 0.00577 0.33
Natural frequency (kHz) 0.211 3.315 × 103 1.591 × 103 1.44 × 103 16.32 × 103 3.39 × 103 5 1.04
Total harmonic distortion (%) 1@300 mVpp (LPF) 0.723@60 µApp 2.2@300 mVpp 2.2@200 mVpp <4@350 mVpp (HPF) - 2@120 mVpp (LPF) 1.09@650 mVpp
Dynamic range (dB) 58.23 - - - - - 53.2 -
Verification of result Sim Sim Sim Sim/Exp Sim/Exp Sim Sim Sim/Exp

Note: MIMO = multiple-input multiple-output, MISO = multiple-input single-output.