FAST MAGNETIC FIELD SWEEP
A circuit for producing a magnetic field in a mass spectrometer is described. This field varies in triangular form at a rate of at least 1 cps with a magnitude of 500 gauss above a 1000- to 7000-gauss bias. The circuit uses a Varian V-4012 12-in. electromagnet and two Philbrick USA-3 operational amplifiers in place of the electromagnet's V-2100 power-supply amplifier. Diagrams are given of the circuitry, and some data on the performance of the sweep are tabulated as a function of the peak-to-peak sweep (gauss). (D.L.C.)
- Research Organization:
- Univ. of California, Livermore
- NSA Number:
- NSA-15-004136
- OSTI ID:
- 4137665
- Report Number(s):
- UCRL-5940-T
- Journal Information:
- Rev. Sci. Instr., Journal Name: Rev. Sci. Instr. Vol. Vol: 31
- Country of Publication:
- United States
- Language:
- English
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