AA103-72 Datasheet, PDF (2/2 Pages) Alpha Industries – GaAs IC 1 Bit Digital Attenuator 10 dB LSB DC-2.5 GHz

GaAs IC 1 Bit Digital Attenuator 10 dB LSB DC–2.5 GHz
AA103-72
Typical Performance Data (0, +3 V)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.0
0.5
1.0
1.5
2.0
2.5
Frequency (GHz)
Insertion Loss vs. Frequency
13
12
11
10
9
8
7
0.0
0.5
1.0
1.5
2.0
2.5
Frequency (GHz)
Attenuation vs. Frequency
Truth Table
V₁
V₂
V_High
0
0
V_High
V_High = +3 to +5 V (V_S = V_High ± 0.2 V).
J₁–J₂
Insertion Loss
Attenuation
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.0
0.5
1.0
1.5
2.0
2.5
Frequency (GHz)
VSWR vs. Frequency
Absolute Maximum Ratings
Characteristic
Value
RF Input Power
1 W > 500 MHz 0/8 V
0.5 W @ 50 MHz 0/8 V
Supply Voltage
+8 V
Control Voltage
-0.2 V, +8 V
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
Note: Exceeding these parameters may cause irreversible damage.
Pin Out
J1 _CBL
RF GND
CBP
V2
10
J_{2 CBL}
V1
10 kΩ
V_S
DC blocking capacitors (C_BL), bypass capacitor (C_BP), and biasing resistor
must be supplied externally for positive voltage operation.
C_BL, C_BP = 33 pF for operation @ 900 MHz.
2
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [e-mail] • www.alphaind.com
Specifications subject to change without notice. 04/00A