GaAs IC 4 Bit Digital Attenuator 3 dB LSB DC–1 GHz
AT001D6-25
Typical Performance Data (0, -5 V)
5
4
3
+85˚C
-40˚C
15
12
9
dB
2
1
0
DC
0.5
dB
6
3
0
1.0
DC
0.5
1.0
Frequency (GHz)
Frequency (GHz)
Insertion Loss vs. Frequency
45
40
35
2.5
2.2
1.9
1.6
1.3
1.0
DC
0.5
1.0
DC
3, 6, 12 dB States
dB
30
25
20
0.5
1.0
Frequency (GHz)
Frequency (GHz)
24, 36, 45 dB States
VSWR vs. Frequency (All States)
Absolute Maximum Ratings
Characteristic
RF Input Power
Control Voltage
Operating Temperature
Storage Temperature
Θ
JC
Value
2 W > 500 MHz 0/-8 V
0.5 W @ 50 MHz 0/-8 V
+0.2 V, -8 V
-40°C to +85°C
-65°C to +150°C
25°C/W
Pin Out
GND GND J
1
GND GND J
2
16
15
14
13
12
11
GND GND
10
9
24 dB
6 dB
3 dB
12 dB
Note: Exceeding these parameters may cause irreversible damage.
1
2
3
4
5
6
7
8
V
8
V
7
V
6
V
5
V
4
V
3
V
2
V
1
Truth Table
V
1
-5
-5
-5
0
-5
0
V
2
0
0
0
-5
0
-5
V
3
-5
0
-5
-5
-5
0
V
4
0
-5
0
0
0
-5
V
5
0
0
-5
0
0
-5
V
6
6 dB
-5
-5
0
-5
-5
0
0
0
0
0
-5
-5
V
7
V
8
-5
-5
-5
-5
0
0
12 dB
3 dB
24 dB
Attenuation
J
1
–J
2
Reference I.L.
3 dB
6 dB
12 dB
24 dB
45 dB
2
Alpha Industries, Inc.
[781] 935-5150
•
Fax
[617] 824-4579
•
Email
sales@alphaind.com
•
www.alphaind.com
Specifications subject to change without notice. 3/99A
ALPHA [ ALPHA INDUSTRIES ]
