AV141-321 Datasheet, PDF (1/3 Pages) Alpha Industries – GaAs IC 25 dB Voltage Variable Attenuator 2.7-4.0 GHz

GaAs IC 25 dB Voltage
Variable Attenuator 2.7–4.0 GHz
Features
■ Power Control for 3.5 GHz Fixed
Wireless Applications
■ Minimum 25 dB Attenuation
■ Positive 0.2–1.2 V Control Voltage
■ QFN-12 3 x 3 mm Package
■ Low Cost
■ No External Components Needed
Preliminary
AV141-321
Description
The AV141-321 is a GaAs IC PHEMT voltage variable
attenuator that has been designed for WLAN applications.
Operating from 2.7–4.0 GHz, the AV141-321 is ideal for
low cost applications such as 3.5 GHz fixed wireless LAN
power control applications.
Electrical Specifications at 25°C
Parameter
Insertion Loss (V_C = 1.2 V)
Maximum Attenuation (V_C = 0.2 V)
VSWR — All Ports
Absolute Maximum Ratings
Characteristic
Value
RF Input Power
1 W Max. > 500 MHz
Control Voltage
-0.2 V, +6 V
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
1. All measurements made in a 50 Ω system, unless otherwise specified.
2. For worst case state.
Frequency
2.7–4.0 GHz
2.7–4.0 GHz
2.7–4.0 GHz
Min.
25
Typ. Max. Unit
0.7
1.0
dB
30
dB
1.5
1.8
Operating Characteristics at 25°C (0, +1.2 V)
Parameter
Condition
Switching Characteristics
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
Maximum Input Power
for < 1 dB Attenuation Variation
Input 3rd Order Intercept Point (IIP3)
Control Voltage
1. All measurements made in a 50 Ω system, unless otherwise specified.
2. For worst case state.
Frequency
2.7–4.0 GHz
2.7–4.0 GHz
Min.
80
0.2
Typ.
50
150
25
13
20
Max.
1.2
Unit
ns
ns
mV
dBm
dBm
V
Alpha Industries, Inc. [978] 241-7000 • Fax [978] 241-7906 • Email [e-mail] • www.alphaind.com
1
Specifications subject to change without notice. 1/02A