AA106-86 Datasheet, PDF (2/3 Pages) Alpha Industries – GaAs IC 5 Bit Digital Attenuator 0.5 dB LSB Positive Control 0.5-2.0 GHz

GaAs IC 5 Bit Digital Attenuator 0.5 dB LSB Positive Control 0.5–2.0 GHz
AA106-86
Typical Performance Data (0, +5 V)
0
-0.5
-1.0
-1.5
J₁–J₂
-2.0
-2.5
-3.0
-3.5
-4.0
0
0.5
1.0
1.5
2.0
2.5
Frequency (GHz)
Insertion Loss vs. Frequency
0.6
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
0
8 dB
0.5 dB
1 dB
4 dB
0.5
15.5 dB
1.0
1.5
2 dB
2.0
2.5
Frequency (GHz)
Attenuation Accuracy vs. Frequency
Truth Table
V₁
8 dB
V₂
4 dB
V₃
2 dB
V₄
1 dB
V_High
V_High
V_High
V_High
V_High
0
0
V_High
V_High
V_High
V_High
0
V_High
0
V_High
V_High
V_High
0
V_High
V_High
0
V_High
V_High
0
V_High
V_High
V_High
0
V_High = +3 to +5 V (V_S = V_High ± 0.2 V).
V₅
0.5 dB
Attenuation
J₁–J₂
V_High
0
Reference I.L.
0.5 dB
V_High
V_High
V_High
V_High
0
1 dB
2 dB
4 dB
8 dB
15.5 dB Max. Atten.
2.0
1.8
1.6
1.4
1.2
1.0
0
8 dB
15.5 dB
Ins. Loss
0.5 dB
1 dB
2 dB
4 dB
0.5
1.0
1.5
2.0
2.5
Frequency (GHz)
VSWR vs. Frequency
30
25
15.5 dB
20
15
10
5
0.5 dB
0
-5
1 dB
8 dB
4 dB
2 dB
-10
0
0.5
1.0
1.5
2.0
2.5
Frequency (GHz)
Attenuation Phase Accuracy
vs. Frequency
Pin Out
J1
V1
8 dB
CBL
V2
4 dB
GND
V3
2 dB
GND
V4
1 dB
GND
V5
0.5 dB
10 kΩ ^CBL
J2
VS
DC blocking capacitors (C_BL) and biasing resistor must be supplied
externally for positive voltage operation.
C_BL = 47 pF for operation >500 MHz.
2
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [e-mail] • www.alphaind.com
Specifications subject to change without notice. 10/99A