Abstract

A modular analog pulse generation system for use in pulsed NMR applications is described. All commonly used pulse sequences can be produced. The system offers the complete control of pulse width in the range of 0.5–500 μsec, pulse delays in the range 0 μsec–1000 sec, and repetition rates in the range 10−3 Hz-100 kHz. Pulse delays can be swept between any two delay times over the complete delay range and with a sweeping time in the range 10 μsec–1000 sec. The output pulses from the system can be synchronized and thus made coherent with the rf sinusoidal waveform of the rf transmitter.

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