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TB8100 Service Manual Safety and Servicing Information 17

1.2 Equipment Safety

1.2.1 ESD Precautions

Important This equipment contains devices which are susceptible to

damage from static charges. You must handle these devices

carefully and according to the procedures described in the

manufacturers’ data books.

We recommend you purchase an antistatic bench kit from a reputable

manufacturer and install and test it according to the manufacturer’s

instructions. Figure 1.1 shows a typical antistatic bench set-up.

You can obtain further information on antistatic precautions and the dangers

of electrostatic discharge (ESD) from standards such as ANSI/ESD

S20.20-1999 or BS EN 100015-4 1994. The Electrostactic Discharge

Association website is http://www.esda.org.

1.2.2 Antenna Load

Important The PA may be damaged if the load is removed or switched

while the PA is transmitting.

To protect the PA output stage from load transients (i.e. switching or

removing the load), we recommend that you fit an isolator between the PA

and the load. Fit the isolator as close as possible to the RF output connector

on the PA. Do not connect any switching or combining equipment

between the isolator and the PA.

Figure 1.1 Typical antistatic bench set-up

common point ground

(building ground or

mains ground via 1M

ohm series resistor)

conductive wrist strap dissipative rubber

bench mat

Tait TB8100 Service Manual

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