Research Article
A Low Power Voltage Controlled Oscillator Design
Table 1
Results for NAND delay based VCOs.
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Control voltage (V) | Three-stage VCO | Five-stage VCO | Seven-stage VCO | Output frequency (GHz) | Power consumption (W) | Output frequency (GHz) | Power consumption (µW) | Output frequency (GHz) | Power consumption (W) |
| 1.8 | 3.2909 | 335.4071 | 1.9406 | 559.0118 | 1.3984 | 782.6165 | 1.9 | 3.3964 | 359.4469 | 2.0288 | 599.0782 | 1.4401 | 838.7095 | 2.0 | 3.5444 | 383.8849 | 2.0959 | 639.8081 | 1.5010 | 895.7314 | 2.1 | 3.7092 | 408.7571 | 2.2106 | 681.2619 | 1.5954 | 953.7666 | 2.2 | 3.9342 | 434.0872 | 2.3065 | 723.4787 | 1.6432 | 1012.900 | 2.3 | 4.1088 | 459.8914 | 2.3716 | 766.4857 | 1.7290 | 1073.100 | 2.4 | 4.2280 | 486.1816 | 2.5769 | 810.3027 | 1.8077 | 1134.400 |
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