Research Article
Three Microwave Frequency Dividers Using Current Source/Sink and Modified Current Source Inverters
Table 5
Measured operating parameters of proposed circuits with skew reduction block.
| Inverter type | Input type | | Max input freq. with skew reduction block | Max input freq. without skew reduction block | Increase in maximum input frequency | (with skew reduction block) | Figure of merit (with skew reduction block) |
| Current sink | Sine | 490 mV | 3.6 GHz | 3.1 GHz | 16.13% | 134.43 W | 26.77 | Square | 490 mV | 3.717 GHz | 3.7 GHz | 0.46% | 33.68 W | 110.36 | Current source | Sine | 325 mV | 4.9 GHz | 3.0 GHz | 63.34% | 138.74 W | 35.32 | Square | 325 mV | 3.448 GHz | 3.268 GHz | 5.50% | 30.07 W | 114.66 | Modified current source | Sine | n/a | 8.2 GHz | 5.55 GHz | 47.75% | 197.77 W | 41.46 | Square | n/a | 8.163 GHz | 6.135 GHz | 33.05% | 76.01 W | 107.39 |
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