[1]  Huan C, Kim S S, Phelps L, et al. A novel design of a low temperature preamplifier for pulsed NMR experiments of dilute ³He in solid ⁴He[J]. J Low Temp Phys, 2009, 158(3-4): 692-696.

[2]  Wood B M, Code R F. High-performance cryogenic pulsed NMR spectrometer[J]. Rev Sci Instrum, 1980, 52(3): 386-390.

[3]  Bloyet D, Lepaisant J, Varoquaux E. Very-low-noise amplifier for low-temperature pulsed NMR experiments[J]. Rev Sci Instrum, 1985, 56(9): 1 763-1 771.

[4]  Peshkovsky A, McDermott A E. NMR spectroscopy in the presence of strong acelectric fields: Degree of alignment of polar molecules[J\]. Phys Chem A, 1999, 103(43): 8 604-8 611.

[5]  Sitnikov R, Furo I, Henriksson U. Nuclear magnetic resonance spectrometer with a frequency range extended below the megahertz region[J]. Rev Sci Instrum, 2000, 71(2): 450-457.

[6]  Stoll M E. Simple, fast recovery, low-noise receiver amplifier for pulsed NMR experiments[J]. Rev Sci Instrum, 1981, 52(3): 391-394.

[7]  Kobayashi K W, Tran L, Oki A K, et al. A 50 MHz-30 GHz broadband CO-planar waveguide SPDT PIN diode switch with 45 dB isolation[J]. IEEE Microw Guide Wave Lett,  1994, 5(2): 56-58.

[8]  Alekseev E, Pavlidis D. Proceedings of the 11th International Conference on Indium Phosphide and Related Materials[C]. Davos, Switzerland: IEEE, 1999. 443-446.

[9]  Sun C, Magers J, Oldfield W, et al. Proceedings of the 3rd International Conference on Microwave and Millimeter Wave Technology [C]. Beijing, China: IEEE, 2002. 1 093-1 096. 

[10]  Tan R J, Ward A L, Garver R V, et al. 1988 Microwave Symposium Digest[C]. New York, USA: IEEE, 1988. 275-278.

[11]  Koreyasu M, Takashima T, Kashiwa T. Proceeedings of the 38th European Microwave Conference[C]. Amsterdam, The Netherlands: IEEE, 2008. 1 735-1 738.

[12]  Luding R, Bretchko P. RF Circuit Design：Theory and Applications(射频电路设计：理论及应用)[M]. Beijing(北京): Publishing House of Electronics Industry(电子工业出版社), 2005.