IEC 60601-2-24 / Magnetic Field

2002-04-28 Thread amund
Hi all, A colleague was checking the IEC 60601-2-24:98 and found the Magnetic Field Req't (paragraph 36.202.6) far too high: 400 Ampere-per-meter! I'd like to check this requirement for its correctness or history with backgrounds for such a demand. I know that 3A/m, 10A/m and 30A/m are often

FS: Coherent FSM-86B (3 units)

2002-04-28 Thread Dr. Jeffrey Race
In cleaning out the office I came upon these units, three pieces of Coherent Communications Corp FSM-86B LSI Subset, a device which allows piggy-backing a data channel over a phone line, stealing a bit of bandwidth at about 2800 Hz. You can key in using +/- 3V to +/- 25V (so can run a telex over