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參數資料
| 型號： | AN221E04-QFPSP |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Dynamically Reconfigurable FPAA With Enhanced I/O |
| 中文描述： | 動態可重構FPAA的具有增強的I / O |
| 文件頁數： | 18/21頁 |
| 文件大小： | 448K |
| 代理商： | AN221E04-QFPSP |
AN221E04 Datasheet – Dynamically Reconfigurable FPAA With Enhanced I/O
DS030100-U006a - 18 -
Distortion, SINAD and SNR Measurements
The following plots give an indication of the Distortion, SINAD and SNR for some representative CAMs.
INPUT CELL UGB SNR, DSTN, SINAD
-100
-80
-60
-40
-20
0
20
40
60
80
100
120
0.7
1.4
2.8
5.6
7.0
INPUT [Vp-p]
[
SNR[dB]
SINAD[dB]
DISTN[dB]
INPUT CELL LOW PASS FILTER SNR, DSTN,
SINAD
-100
-80
-60
-40
-20
0
20
40
60
80
100
120
0.7
1.4
5.6
7.0
INPUT [Vp-p]
[
SNR[dB]
SINAD[dB]
DISTN[dB]
INPUT CELL AMPLIFIER SNR,DSTN,SINAD
Measured with Inputcell Gain G = 16
Same results for Input Amplifier and
Chopper Amplifier stage, If the signal
from the chopper Amplifier is correctly
filtered before measurement.
-100.00
-80.00
-60.00
-40.00
-20.00
0.00
20.00
40.00
60.00
80.00
100.00
0.08
0.14
0.21
0.28
0.35
0.42
0.49
INPUT [Vp-p]
[
SNR[dB]
SINAD[dB]
DISTN[dB]
Output Cell SNR, DSTN, SINAD
-100
-80
-60
-40
-20
0
20
40
60
80
100
120
0.7
1.4
2.8
3.5
5.6
7.0
INPUT [Vp-p]
[
SNR[dB]
SINAD[dB]
DISTN[dB]
GAININV CAM SNR, DSTN, SINAD
This graph shows the typical performance
of an FPAA CAB when configured with a
CAM in this example GainInv CAM
Input signal=1400 mV p-p differential,
CAM clock = 1MHz CAM parameter settings Gain = 1
-120
-100
-80
-60
-40
-20
0
20
40
60
80
100
0.7
1.4
2.8
3.5
5.6
7.0
INPUT [Vp-p]
[
SNR[dB]
SINAD[dB]
DISTN[dB]
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