Digital Step Attenuator
Typical Performance Curves
DAT-31R5-PP+
ATTENUATION (16dB) @ +25°C, +85°C, -45°C
ATTENUATION (31.5dB) @ +25°C, +85°C, -45°C
17
16.8
16.6
16.4
16.2
16
32
31
30
29
28
27
26
-45°C
+25°C
+85°C
-45°C
+25°C
+85°C
15.8
15.6
15.4
15.2
15
0
500
1000
1500
2000
2500
3000
3500
4000
0
500
1000
1500
2000
2500
3000
3500
4000
Frequency (MHz)
Frequency (MHz)
RETURN LOSS IN S11 (REF) @ +25°C, +85°C, -45°C
RETURN LOSS OUT S22 (REF) @ +25°C, +85°C, -45°C
50
40
30
20
10
0
50
40
30
20
10
0
-45°C
+25°C
+85°C
-45°C
+25°C
+85°C
0
500
1000
1500
2000
2500
3000
3500
4000
0
500
1000
1500
2000
2500
3000
3500
4000
Frequency (MHz)
Frequency (MHz)
RETURN LOSS IN S11(Major Attenuation Steps) @ +25°C
ATT=0dB
RETURN LOSS OUT S22 (Major Attenuation Steps) @+25°C
60
50
40
30
20
10
0
60
50
40
30
20
10
0
ATT=0dB
ATT=0.5dB
ATT=1dB
ATT=2dB
ATT=4dB
ATT=8dB
ATT=16dB
ATT=0.5dB
ATT=1dB
ATT=2dB
ATT=4dB
ATT=8dB
ATT=16dB
ATT=31.5dB
ATT=31.5dB
0
500
1000
1500
2000
2500
3000
3500
4000
0
500
1000
1500
2000
2500
3000
3500
4000
Frequency (MHz)
Frequency (MHz)
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