MOTOROLA
INC.
Communications
Group
MOTOROLA BATTERY PACK
MODEL RTP-l002A
1. DESCRiPTION
The RTP-1002A
is
a battery pack and charger
designed to be mounted to the back
of
the R-2001A
Communications System Analyzer. The unit contains
battery capacity to operate the
R-2001A for approx-
imately one hour. A constant current charging system
is
capable
of
recharging the batteries in
16
hours.
2. OPERATION
2.1
The RTP-1002A Battery Pack
is
automatically
engaged when no ac power
is
present, and the
power switch
is
either in the ON or STAND
BY
posi-
tions. When ac power
is
applied, the R-2001A
automatically switches the RTP-1002A Battery Pack
out
of
the circuit and draws its power from the ac power
source.
HIGH
CHARGE
INDICATOR
LEO
RTP-
1002A
BATTERY
PA
CK
2.2 When the power switch
is
in
the OFF or STAND-
BY
position and ac · power
is
applied to the
R-2001A, the RTP-1002A Battery Pack draws
de
cur-
rent from the R-2001A to activate the charging circuit.
The charging circuit delivers approximately
750
rnA
of
current until the battery voltage reaches
14
volts.
As
the
battery voltage reaches
14
volts, the current drops to ap-
proximate
ly
25
rnA
and the
hi
g
h-
charge indicator LED
exting
ui
s
he
s.
2.3
When the R-2001A systems analyzer
is
used with
the
RTP-1002A Battery Pack, it
is
recommended
to keep the power switch
in
the STAND
BY
position
whenever possible. This extends the time the battery
is
able to operate the R-2001A Communications System
Analyzer. The
low
trickle charge rate enables the bat-
teries to
be
left on charge indefinitely without damage
due to overcharging.
R2001A
COM
MUNICATI
ONS
SYST
EM
ANAL
YZ
ER
floEPS-:1'1172-0
""'"
RTP-1002A Battery Pack Mounting Detail
© Motorola, Inc.
19
80
All Riahts Reserved
Printed in U.S.A.
~~tmOC£QIII
w'Oltitmg
lei\V/Dca~
1301
E.
Algonquin
Road,
Schaumburg, I
I.
60196
68P81122E59-A
5/
30
/ 80-SK
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