Version $Revision: 1.3 $
Last Update $Date: 2001/11/08 14:46:10 $
HRC CCB Status not reviewed

AXAF Constraints, Restrictions, & Limitations

Number: HRC-C-007

Type: Constraint

Original Date: 1/31/97


Subsystem: HRC

Subject: HRC High Voltage and Electronic Calibration Mode

Source: Informal CARD inputs, e-mail, M. Juda, 1/28/97


CRL Statement:

HRC high voltages must be commanded OFF prior to turning ON the internal electrical calibration mode.


CRL Rationale/Justification:

HRC sensitivity to high voltage when entering the calibration mode is derived from the HRC design.


CRL Impact:

HRC high voltage switching transients will damage the HRC preamplifier inputs.


Recommended Action:

Incorporate into the Systems and Operations Procedures, with ASC providing the inputs.


$Log: hrc-c-007.html,v $

Revision 1.3 2001/11/08 14:46:10 juda

HTML "href" tag edits to convert to soft links

Revision 1.2 1998/04/27 13:55:14 juda

Added Version table

Page created 1998 March 4 - Based on 30 Jan 98 release of OP05


Dr. Michael Juda
Harvard-Smithsonian Center for Astrophysics
60 Garden Street, Mail Stop 70
Cambridge, MA 02138, USA
Ph.: (617) 495-7062
Fax: (617) 495-7356
E-mail: mjuda@cfa.harvard.edu