1. Superheterodyne NMR spectrometer

2. Hetero means “other”
Example: A radio station is transmitting on 300 kHz and the oscillating receiver was set to 400 kHz, the station would be heard not only at the original 300 kHz, but also at 100 kHz and 700 kHz.

6. Labview controller - YB

7. probe section

8. probe section

9. cap and coil selection

10. coil – large L

11. impedance matching

12. Impedance matching – circuit A

13. isolation – hybrid tee

14. isolation – quarter waves

16. RF amplifier stage – miteq fast recovery

17. receiver section

18. generator and receiver – side by side

19. IF (audio) amplifier stage – LM386

20. DAQ - YB

21. external