11
Figure 13. Noise (~840
µ
V
rms
measured with a true rms voltmeter in DC - 10MHz) with the
offset control switched to ‘Off’. The noise may appear to be higher than shown here if the
amplifier input is not connected to a low-impedance source.
Figure 14. Noise (~1150
µ
V
rms
measured with a true rms voltmeter in DC - 10MHz) with the
offset control switched to ‘On’. In addition to the noise the short-term drift of the offset is
around 5mV.
Figure 15. Rms output noise voltage versus capacitive load measured in DC - 10MHz with
offset control switched ‘Off’
Time (ms)
O
ut
pu
t
vo
lta
ge
(
mV
)
-3
-2
-1
0
1
2
50
40
30
20
10
0
Time (ms)
O
ut
pu
t
vo
lta
ge
(
mV
)
-4
-2
0
2
50
40
30
20
10
0
Load capacitance (pF)
Rm
s
ou
tp
ut
vo
lta
ge
n
oi
se
(μ
V
)
800
600
400
200
0
10
1
10
2
10
3
10
4
10
5
10
6
10
7
