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Page 5
Model
7 0A
FRONT
w
)
.5- 024MHz
5-5OOkHz
REAR
2?
o
Figure 4. Front and Rear Panel Controls, Connectors, and Indicators
7 0A DOWN CONVERTER
HEWLETT* PACKARD
DOWN
CONVERSION
I
RF OUT Connector. Signal output type N female
connector.
Power Module Assembly.
LINE Switch. Controls primary power. Lights when
instrument is on.
RF IN Connector. Signal input type N female
connector
@ 5-500 kHz/.5- 024 MHz Selector Switch. When
set to 5 — 500 kHz selects down conversion function.
When set to .5 — 1024 MHz selects straight-through
function.
LINE
OFF
ON
Receptacle. Couples transformer primary to line
voltage via power cable.
Line Voltage Selection Card. Matches transformer
primary to line voltage. See igure 2.
Fuse. A 250 mA fuse is used at 110/120 Vac, 75 mA
at 220/240 Vac.
O Fuse Pull Handle. Mechanical interlock; fuse must be
removed before extraction of Line Voltage Selection
Card.
Window. Safety interlock; fuse cannot be removed
while power cable is connected to power receptacle.
IN
O '
i
SER
■
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