FPGA Based Pulsed NQR spectrometer

被引:2
|
作者
Hemnani, Preeti [1 ,4 ]
Rajarajan, A. K. [2 ]
Joshi, Gopal [1 ]
Motiwala, Paresh D. [1 ]
Ravindranath, S. V. G. [3 ]
机构
[1] Bhabha Atom Res Ctr, Div Elect, Bombay 400085, Maharashtra, India
[2] Bhabha Atom Res Ctr, Div Solid State Phys, Bombay 400085, Maharashtra, India
[3] Bhabha Atom Res Ctr, Atom & Mol Phys Div, Bombay 400085, Maharashtra, India
[4] Homi Bhabha Natl Inst, Bombay, Maharashtra 400094, India
关键词
D O I
10.1063/1.4872710
中图分类号
O59 [应用物理学];
学科分类号
摘要
An NQR spectrometer for the frequency range of 1 MHz to 5 MHZ has been designed constructed and tested using an FPGA module. Consisting of four modules viz. Transmitter, Probe, Receiver and computer controlled (FPGA & Software) module containing frequency synthesizer, pulse programmer, mixer, detection and display, the instrument is capable of exciting nuclei with a power of 200W and can detect signal of a few microvolts in strength. N-14 signal from NaNO2 has been observed with the expected signal strength.
引用
收藏
页码:661 / 663
页数:3
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