Precision Integrator for Ion Beams
Journal Article
·
· Review of Scientific Instruments
The integrator consists of a circuit which operates relays to turn off data-storage devices, timers, etc., when the charge conducted by an ion beam reaches a specified quantity. A vibrating-reed electrometer (without feedback) senses when the potential drop across a capacitor into which the beam current flows becomes equal to the potential of several standard cells in series. Errors in sensing the potential are less than 0.001%, and the over-all time delay of the relay operation is about 15 nasec. The major sources of error are associated with soakage and changes in capacitance with temperature, less than 0.05% and about -0.01% per C, respectively. It should be feasible to attain a considerable reduction in all the errors of integration caused by these known sources of error.
- Research Organization:
- Argonne National Lab., Lemont, Ill.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-13-012626
- OSTI ID:
- 4240934
- Journal Information:
- Review of Scientific Instruments, Journal Name: Review of Scientific Instruments Journal Issue: 4 Vol. 30; ISSN 0034-6748; ISSN RSINAK
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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