The material contained in this document is the property of Electronics & Innovation Ltd., it is
subject to change without notice.
May 2019 Revision C
7
Chapter 4 Maintenance
4.1 INTRODUCTION
The E&I 1000S04 RF amplifier requires no periodic maintenance. The instrument
is unconditionally stable and is fail-safe under all load conditions. Damage can
only be externally caused by overdrive in excess of 2 watts (+33 dBm) or
backfeeding the output of the unit from another high power source or incorrect
connection to the AC input.
4.2 PACKAGING FOR RESHIPMENT
In the event of the equipment being returned for servicing it should be packed in
the original shipping carton and packing material. If this is not available, wrap the
instrument in heavy paper or plastic and place in a rigid outer box of wood,
fiberboard or very strong corrugated cardboard. Use ample soft packing to
prevent movement. Provide additional support for projecting parts to relieve
these of unnecessary shock. Close the carton securely and seal with durable
tape. Mark the shipping container FRAGILE to ensure careful handling.
Chapter 5 Safety:
Do not attempt to operate this unit with the cover removed. High voltages are
present. The cover protects against electrical shock due to hazardous supply
voltages, high DC, RF voltages and RF fields. Further the cover provides part of
