SC5 Signal Conversion
Performance Measurements
•
53
900 mV amplitude
The following picture shows FFT spectra for 100 Hz (left), 1 kHz (center) and 10 kHz (right) signals at 900 mV
amplitude. Results in brackets are obtained with the external waveform generator.
Figure 32: Input harmonic distortion measurements for a 900 mV signal at 100 Hz (left), 1 kHz (center), and 10 kHz
(right).
90 mV amplitude
The following picture shows FFT spectra for 100 Hz (left), 1 kHz (center) and 10 kHz (right) signals at 90 mV
amplitude. Results in brackets are obtained with the external waveform generator.
Figure 33: Input harmonic distortion measurements for a 90 mV signal at 100 Hz (left), 1 kHz (center), and 10 kHz
(right).
Crosstalk
Crosstalk between two adjacent input channels is measured with the measured channel connected to one analog
output set to 0 V, acting as a typical signal source, and the adjacent channel connected to a Nanonis OC4. The signal
amplitude is always 10 V. The measurement settings and the results are listed below, based on a FFT with 2048
points.
SC5
OC4
Measured input:
AO1
Output amplitude: 10 V
Signal input:
AO2
Output range:
10 V
Frequency Crosstalk amplitude FFT resolution
100 Hz
< 600 nV/
√
Hz
50 mHz
1 kHz
< 600 nV/
√
Hz
0.5 Hz
10 kHz
< 600 nV/
√
Hz
5 Hz
100 kHz
< 750 nV/
√
Hz
50 Hz
Table 9: Crosstalk signal amplitude of the analog inputs of the SC5 for a signal amplitude of 10 V applied to the input
adjacent to the measured channel.
0
100
200
300
400
500
600
700
800
900
Frequency [Hz]
In
pu
t[
dB
FS
]
0
1
2
3
4
5
6
7
8
9
10
Frequency [kHz]
In
pu
t[
dB
FS
]
1000
0
10
20
30
40
50
60
70
80
90
100
Frequency [kHz]
In
pu
t[
dB
FS
]
0
-20
-40
-60
-80
-100
-120
-140
-160
0
-20
-40
-60
-80
-100
-120
-140
-160
0
-20
-40
-60
-80
-100
-120
-140
-160
SINAD: 98.8 dB
THD+N: 97.5 dB
THD:
100.2 dB
SFDR:
100.5 dBc
SINAD: 77.3 dB (82.0 dB)
THD+N: 69.6 dB (81.1 dB)
THD:
71.7 dB (82.4 dB)
SFDR:
82.9 dBc (92.2 dBc)
SINAD: 67.2 dB (71.3 dB)
THD+N: 50.4 dB (70.4 dB)
THD:
50.5 dB (82.5 dB)
SFDR:
67.8 dBc (101 dBc)
0
100
200
300
400
500
600
700
800
900
Frequency [Hz]
In
pu
t[
dB
FS
]
0
1
2
3
4
5
6
7
8
9
10
Frequency [kHz]
In
pu
t[
dB
FS
]
1000
0
10
20
30
40
50
60
70
80
90
100
Frequency [kHz]
In
pu
t[
dB
FS
]
0
-20
-40
-60
-80
-100
-120
-140
-160
0
-20
-40
-60
-80
-100
-120
-140
-160
0
-20
-40
-60
-80
-100
-120
-140
-160
SINAD: 70.2 dB
THD+N: 54.5 dB
THD:
55.7 dB
SFDR:
75.3 dBc
SINAD: 63.4 dB (66.6 dB)
THD+N: 35.8 dB (45.7 dB)
THD:
37.2 dB (48.0 dB)
SFDR:
71.1 dBc (80.5 dBc)
SINAD: 52.5 dB (60.8 dB)
THD+N: 15.4 dB (39.8 dB)
THD:
15.7 dB (47.9 dB)
SFDR:
53.5 dBc (89.3 dBc)
Summary of Contents for Nanonis SC5
Page 1: ...Signal Conversion SC5 User Manual November 2016 R6860...
Page 2: ......
Page 5: ...SC5 Signal Conversion Conventions 5...
Page 8: ......
Page 72: ......
Page 74: ......
Page 75: ...SC5 Signal Conversion Legal Information 75 Declaration of Conformity...
