Digital Step Attenuator
Typical Performance Curves
IP-3 INPUT (Major Attenuation Steps) @ +25°C
70
60
50
40
30
20
10
0
0
200
400
600
800
1000
1200
1400
1600
1800
2000
Frequency (MHz)
ATT=0dB
ATT=0.5dB
ATT=1dB
ATT=2dB
ATT=4dB
ATT=8dB
ATT=16dB
ATT=31.5dB
DAT-31575-SN+
DAT-31575-SN
70
60
50
40
30
20
10
0
0
200
400
600
800
1000
1200
1400
1600
1800
2000
Frequency (MHz)
IP-3 INPUT (Major Attenuation Steps) @ +85°C
ATT=0dB
ATT=0.5dB
ATT=1dB
ATT=2dB
ATT=4dB
ATT=8dB
ATT=16dB
ATT=31.5dB
(dBm)
(dBm)
70
60
50
40
30
20
10
0
0
200
IP-3 INPUT (Major Attenuation Steps) @ -45°C
0.2
0.1
0
COMPRESSION @INPUT POWER=+24dBm (+25°C)
ATT=0dB
ATT=0.5dB
ATT=1dB
ATT=2dB
ATT=4dB
ATT=8dB
ATT=16dB
ATT=31.5dB
(dBm)
-0.1
(dB)
-0.2
-0.3
-0.4
-0.5
ATT=0dB
ATT=1dB
ATT=4dB
ATT=16dB
ATT=0.5dB
ATT=2dB
ATT=8dB
ATT=31.5dB
1600
1800
2000
400
600
800
1000
1200
1400
1600
1800
2000
0
200
400
600
800
1000
1200
1400
Frequency (MHz)
Frequency (MHz)
COMPRESSION @INPUT POWER=+24dBm (+85°C)
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
200
400
600
800
1000
1200
1400
1600
1800
2000
Frequency (MHz)
0.2
0.1
0
-0.1
COMPRESSION @INPUT POWER=+24dBm(-45°C)
(dB)
ATT=0dB
ATT=1dB
ATT=4dB
ATT=16dB
ATT=0.5dB
ATT=2dB
ATT=8dB
ATT=31.5dB
(dB)
-0.2
-0.3
-0.4
-0.5
0
200
400
600
800
1000
1200
1400
1600
1800
2000
Frequency (MHz)
ATT=0dB
ATT=1dB
ATT=4dB
ATT=16dB
ATT=0.5dB
ATT=2dB
ATT=8dB
ATT=31.5dB
Page 6 of 12
MINI [ MINI-CIRCUITS ]
