BRUEL & KJAER 4292 Instructions And Applications page 30

Output
Voltage
1 kHz
10
vpeak
3
v
1
v
0.3
v
10kHz 100kHz
I I
Type 4292
+--
!'-...'
1"'"--r-,.
'
I I
"
r--.
"""'0-1 0 m extension cable
~
.........
!'...
!'-..
30 m ext. cable
L..A.
""'
1 ""- """-
100m ext. cable""-""-"
"
"
"""-
K
"""-
'\.
"
~
1\.
"
1\.
Frequency
170454
Fig.5.11. Upper limits of the preamplifier's dynamic range (1% distortion)
for minimum preamplifier sensitivity, due to load by extension
cables. Cable capacitance 5 nF /m
1 kHz
Voltage
Output
10
Vpeak
3
v
1
v
0.3
v
--
............
Type 4292
I'--..
10kHz
100 kHz
/NO
ext.
cable - ~
-
.,__ _
~ i<-~ . 1
II
"'
K -
3m cable
~
k" - J _
-.........
"""'
"""'
.....,
........
"""'
. /
"' "' l-. 1
i"-
./
1":
'1\
11'-../
""'
1'\
1\
10m cable
"""'
~
'\
I
"""'
"
T
~ [7
"
30m cablr"'
"
·--
........
100 m
cable~f;;:
~
I
Frequency
170453
Fig.5. 12. Upper limits of the preamplifier's dynamic range (1% distor-
tion), due to load by extension cables for maximum preampli-
fier sensitivity. Cable capacitance 5 nF /m
28