| 摘要 |
Vortex current defectoscope has connected in series generator of sinusoidal voltage, vortex current transformer, amplifier, generator of sinusoidal signal has connected in series support generator and frequency synthesizer, there is included as well second frequency synthesizer arranged with possibility of adjustment of frequency and phase input of which is connected to output of support generator. Additionally there is included synchronous amplitude detector, low frequency filter, analog-digital transformer, microcontroller. |
