Single EX-CCCII-Based First-Order Versatile Active Filter
Abstract
:1. Introduction
2. Circuit Description
2.1. EX-CCCII
2.2. Current-Mode First-Order Versatile Active Filter
2.3. Applications to a Mixed-Mode First-Order Active Filter
2.4. Non-Idealities Analysis
3. Simulation Results
4. Experimental Results
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Transistor | W/L (µm/µm) |
---|---|
M1–M3 | 5/0.36 |
M4–M6 | 15/0.36 |
Mb, M7–M18 | 3/0.36 |
M19–M30 | 6/0.36 |
Parameters | Value |
---|---|
Technology | 0.18 µm CMOS |
Power supply | ±0.9 V |
DC voltage range | ±200 mV |
DC current range | ±200 μA |
Voltage gain Vx/Vy | 0.964 |
Current gain (Iz+/Ix) | 1.01 |
Current gain (Iz−/Ix) | 1.04 |
Bandwidth (−3 dB) @ Iset = 20 µA | |
Voltage follower (Vx/Vy) | 2 GHz |
Current follower (Iz+/Ix) | 61.46 MHz |
Current follower (Iz−/Ix) | 61.46 MHz |
THD [Vy = 200 mV @ 10 kHz] | 0.69% |
PSRR+ | 32.82 dB |
PSRR− | 37.67 dB |
Parasitic parameters @ Iset = 20 µA | |
- Ry, Cy | 104 kΩ, 0.14 pF |
- Rx, Lx | 1.81 kΩ, 62 nH |
- Rz, Cz | 221.35 kΩ, 75.68 fF |
Power consumption @ Iset = [10–50] µA | [0.29–1.24] mW |
Factor | Proposed | [32] | [33] | [42] | [43] | [47] |
---|---|---|---|---|---|---|
Number of active devices | 1-EX-CCCII | 2-ICCII | 1-DXCCTA | 1-EXCCTA | 1-VDGA | 1-EX-CCCII |
Realization | CMOS structure and commercial IC | CMOS structure | CMOS structure and commercial IC | CMOS structure and commercial IC | CMOS structure and commercial IC | CMOS structure |
Number of capacitors | 1-C | 1-C | 1-C | 1-C | 1-C | 1-C |
Passive/active resistor | - | 1-MOST | - | 4-MOST | 1-R | - |
Type of filter | SIMO | SIMO | SIMO | SIMO | MIMO | SISO |
Operation mode | CM | CM | CM | MM | MM | VM |
Number of offered responses | 6 | 6 | 3 | 12-MM 3-CM | 12-MM 3-CM | 3 |
All grounded capacitors | Yes | No | Yes | Yes | Yes (CM) | Yes |
Low-input and high-output impedances | Yes | No | Yes | Yes | No | - |
Yes | Yes | Yes | Yes | Yes | Yes | |
Simulated power supply (V) | ±0.9 | ±0.75 | ±1.25 | ±1.25 | ±0.9 | ±0.5 |
Pole frequency (MHz) | 2.85 | 2.6 | 10 | 16.23 | 1.59 | 4.5 |
Simulated power dissipation (mW) | 0.558 | 4.08 | 1.75 | - | 1.31 | - |
Total harmonic distortion (%) | 1.09@120 μA | <1.5@90 μApp | - | - | 0.38@20 μA (Exp.) | - |
Dynamic range | 75.99 | - | - | - | - | - |
Verification of result | Sim./Exp. * | Sim. | Sim./Exp. * | Sim./Exp. * | Sim./Exp. * | Sim. |
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Kumngern, M.; Khateb, F.; Kulej, T. Single EX-CCCII-Based First-Order Versatile Active Filter. Appl. Sci. 2024, 14, 7396. https://doi.org/10.3390/app14167396
Kumngern M, Khateb F, Kulej T. Single EX-CCCII-Based First-Order Versatile Active Filter. Applied Sciences. 2024; 14(16):7396. https://doi.org/10.3390/app14167396
Chicago/Turabian StyleKumngern, Montree, Fabian Khateb, and Tomasz Kulej. 2024. "Single EX-CCCII-Based First-Order Versatile Active Filter" Applied Sciences 14, no. 16: 7396. https://doi.org/10.3390/app14167396