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Operation
2.1
GENERAL
The power meter has dual readout facilities - a large meter directly calibrated
in mean power and a small meter with an arbitrary calibration for use as a fast
response tuning indicator.
2.2 CONTROLS
MARCONI INSTRUMENTS
IJD
Fig. 2.1
Layout
of
controls
Q)
Type N input socket accepts inputs up to 60 V peak.
0
Thermocouple meter shows mean power in 50
Q
load.
Near linear scales of
0
to
3 W and 0 to 10 W are selected by Range switch.
0
Power range switch selects 3 W or 10 W full-scale on WATTS meter.
0
DIODE DETECTOR meter provides fast response tuning indication for the
source under test.
Operates down to 5 MHz.
Scale arbitrarily engraved from 0 to
100.
@
Sensitivity control adjusts the gain of the diode detector.
The crescent
symbol indicates that sensitivity increases clockwise.
6
2502 (1)
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