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BRUEL & KJAER 2006 User Manual

BRUEL & KJAER 2006
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of
the
amplifier.
If
the
voltage
B is
smaller
than
the
voltage
A
this
requirement
is fulfilled.
In
Fig.
4.5 is
shown
a
set-up
for
measuring
the
oscillator
voltage
on
the
antenna
terminals.
Automatic
Recording
of
RF
Voltages.
At
the
rear
connection
plug
pins
3
and
4
(4
is
grounded)
the
DC
voltage
to
---,
I
I
I
I
I
I
I
I_
--,____,_______,
antenna
impedance
To
rear
connection
pin
3 and 4
Fig. 4.6. Relative fieldstrength as a
function
of
time. Set-up.
ODDDOOOO
OO
DOOODOOO
DDOODOOOOO
OOODOODOOOOOODDOD
OO
ODOODDOO
10
15
20 ...,,.,_ min.
-J---.-.t--+-1
OP 1102
Fig. 4.7. Recording
of
relative fieldstrength as a
function
of
time. Measured
indoor
with
a
Room
antenna.
f =
97
MHz
Paper Speed: o.3
mm/sec.
Writing Speed: 250
mm/sec.
Low.
Lim. Freq.: 50
Hz
Rectifier Res.:
DC
Potentiometer: 25
dB
21

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BRUEL & KJAER 2006 Specifications

General IconGeneral
BrandBRUEL & KJAER
Model2006
CategoryMeasuring Instruments
LanguageEnglish

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