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. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: J Magn Reson. 2010 Apr 13;205(1):93–101. doi: 10.1016/j.jmr.2010.04.005

Figure 3.

Figure 3

Frequency-swept W-band EPR bridge functional schematic. See Fig. 2 for components key. Nominally, the incident irradiation arm synthesizer is set to 2 GHz, and the reference arm synthesizer is set to 3 GHz. 33 GHz is upconverted to 35 GHz and then to 59 GHz. The EPR signal at 94 GHz is downconverted to 35 GHz and then to 1 GHz at the signal mixer output.