| 摘要 |
The circuit comprises a horizontal waveform calibration unit (30) which reverses both amplification and phase of horizontal polar waveform, a vertical waveform calibration unit (40) which both amplifies and reverses a vertical polar waveform, a vertical level calibration unit (50) which controls the gain and DC level of a vertical polar waveform and outputs them, and an smooth-plane maker (60) which makes a horizontal waveform flat.
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