Research Article
Electronically Tunable Quadrature Sinusoidal Oscillator with Equal Output Amplitudes during Frequency Tuning Process
Table 1
Comparison results of this work and recent works.
| Ref | ABB | Number of ABB | Number of | Electronic tune of FO without affecting CO | Equal amplitudes during frequency tuning | No need of multiple output ABB | Providing additional sinusoidal current output with high impedance | Grounded C only | Experimental results |
| [23] | VDCC | 1 | | No | No | No | Yes | Yes | No | [24] | VDCC | 1 | | Yes | No | No | No | Yes | Yes | [25] | VDCC | 2 | | Yes | No | No | Yes | Yes | No | [26] | CG-VDCC | 1 | | Yes | Yes | No | No | Yes | No | [31] | CCCCTA | 1 | | Yes | No | No | Yes | Yes | No | [32] | CCCCTA | 2 | | Yes | No | No | Yes | Yes | No | [33] | CCII & BF | 3 | | No | No | Yes | No | Yes | Yes | [34] | CCII | 3 | | Yes | No | Yes | No | Yes | No | [35] | CDTA | 2 | | Yes | No | No | Yes | Yes | No | [36] | CFOA | 2 | | No | No | Yes | No | Yes | Yes | [37] | CFOA | 2 | | No | No | Yes | No | Yes | Yes | [38] | DD-DXCCII | 1 | | No | No | No | No | Yes | No | [39] | MDVCC | 1 | | No | No | Yes | No | Yes | No | [40] | DVCCTA | 1 | | Yes | No | No | Yes | Yes | No | [41] | FBVDBA | 1 | | No | No | No | No | Yes | Yes | [42] | OTRA | 2 | | No | No | Yes | No | No | Yes | [43] | MVDVTA | 1 | | No | No | No | No | Yes | No | This work | VDCC | 2 | | Yes | Yes | Yes | Yes | Yes | Yes |
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