数字采集的高频和脉冲磁场隧道二极管振荡器技术的改进
Improvements to the Tunnel Diode Oscillator technique for high frequencies and pulsed magnetic fields with digital acquisition
摘要：
我们讨论了改进的短期性能的隧道二极管振荡器传感器，重点是从30 MHz到1.2 GHz的频率使用LC型槽路。我们特别考虑了在脉冲高磁场中的TDO和快速数字采集。由于过驱动振荡器是必要的，在脉冲场，以保持振荡，我们检查电路在设计过程中使用SPICE模拟，并深入了解其行为。我们还讨论了一个数字技术解调成频率和振幅的振荡。
英文摘要：
We discuss improvements to the short-term performance of tunnel diode oscillator transducers with an emphasis on frequencies from 30 MHz to 1.2 GHz using LC type tank circuits. We specifically consider the TDO in pulsed high magnetic fields with fast digital acquisition. Since overdriven oscillators are necessary in pulsed fields to maintain oscillations, we examine the circuit using SPICE simulation during the design process and to gain insight into its behavior. We also discuss a numerical technique for demodulating the oscillations into frequency and amplitude.
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