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Development of Low Frequency Pulsed NQR/NMR Spectrometer
Preeti Hemnani, A. K. Rajarajan, Gopal Joshi, S. V. G Ravindranath
Volume 16 Issue 2
Global Journal of Research in Engineering
Volume 16 Issue 2
Global Journal of Research in Engineering
An FPGA based NQR spectrometer has been designed for detection of 14N nuclei. The digital circuits required for NQR spectrometer i.e Pulse Programmer, DDS, digital receiver have been built inside FPGA. Combining FPGA chip with analog components, NQR spectrometer has been developed. 14N from NaNO2 is observed using same spectrometer. By adding a permanent magnet of uniform field NMR signal of proton as well as deuterium was also observed.
