E835 Store Baby Sitting Procedures

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Control of the RF frequency: (1) 'RF Freq Check' on P85 (E835 Baby Sitter) should be turned OFF. (2) The RF frequency should be adjusted so that it is in the notch of the 4-8 GHz momentum cooling pickup response. The RF frequency device to be controlled depends on which RF system is on. If ARF2 is on, the RF frequency device is A:RLLFS1. If ARF3 is on, the RF frequency device is A:RLLFS0. IMPORTANT NOTE: A:RLLFS0 and A:RLLFS1 have very different data base scaling (A:RLLFS0 is 4 bytes and A:RLLFS1 is 2 bytes). A:RLLFS0 can be safely knobbed with ... continued below

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Werkema, Steve January 1, 2002.

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Control of the RF frequency: (1) 'RF Freq Check' on P85 (E835 Baby Sitter) should be turned OFF. (2) The RF frequency should be adjusted so that it is in the notch of the 4-8 GHz momentum cooling pickup response. The RF frequency device to be controlled depends on which RF system is on. If ARF2 is on, the RF frequency device is A:RLLFS1. If ARF3 is on, the RF frequency device is A:RLLFS0. IMPORTANT NOTE: A:RLLFS0 and A:RLLFS1 have very different data base scaling (A:RLLFS0 is 4 bytes and A:RLLFS1 is 2 bytes). A:RLLFS0 can be safely knobbed with a mult factor of 1.0 (i.e. no multiplier is required). A:RLLFS1 requires a mult factor of 0.02 or smaller. The monitoring and adjustment of the RF frequency is accomplished by the following steps: (3) Set up SA1 so that it is connected to CP48-SCH (4-8 GHz momentum cooling pickup). Set the SA center frequency to a harmonic of the RF frequency. This is most easily accomplished by doing one of the following: (a) If ARF3 is on, send P41 file 22 to SA1. (b) If ARF2 is on, set A:RLLFS0 to the set value of A:RLLFS1 then send P41 file 22 to SA1. (4) SA1 can be viewed on CATV channel pbar 20. If the notch in the momentum cooling pickup response is not at the center frequecy of SA1 adjust the RF. (On the low energy ramp, 1 division on the SA1 display at 5.5 GHz corresponds to 2.3 Hz in revolution frequency). Once you've made an adjustment to the RF frequency you should reset the SA1 display according to step 3 above.

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  • Report No.: FERMILAB-PBAR-NOTE-637
  • Grant Number: AC02-07CH11359
  • DOI: 10.2172/984597 | External Link
  • Office of Scientific & Technical Information Report Number: 984597
  • Archival Resource Key: ark:/67531/metadc1012212

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 2002

Added to The UNT Digital Library

  • Oct. 14, 2017, 8:36 a.m.

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  • Nov. 3, 2017, 9:28 p.m.

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Werkema, Steve. E835 Store Baby Sitting Procedures, report, January 1, 2002; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc1012212/: accessed December 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.