SPECS Nanonis SC5 - Crosstalk

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 30
0
40
0 5
0
0 6
00
700 800 900
Freq
u
en
c
y [
Hz
]
Inpu
t [dBFS]
0 1 2 3 4 5 6 7 8 9 10
Frequency [kHz]
Input [dBFS]
1000
0 10 20 30 40 50 60 7
0
80
9
0 1
00
Frequency [kHz]
I
npu
t [dBFS]
0
-20
-40
-60
-80
-100
-120
-140
-160
0
-20
-4
0
-60
-
80
-100
-120
-140
-160
0
-20
-40
-60
-80
-100
-120
-140
-160
SI
N
AD: 98.8 dB
TH
D+N: 97.5 dB
T
HD: 100.2 dB
S
FDR: 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)
SI
NA
D
: 6
7.
2
dB
(7
1
.3
d
B)
TH
D
+N
: 5
0
.4
d
B (
70
.
4 d
B)
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]
Input [dBFS]
0 1 2 3 4 5 6 7 8 9 10
Frequency [kHz]
Input [dBFS]
1000
0 10 20 30 40 50 60 70 80 90 100
Frequency [kHz]
Input [dBFS]
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)