SKY12146-321 Datasheet, PDF (1/3 Pages) Skyworks Solutions Inc. – GaAs IC 25 dB Voltage Variable Attenuator 2.7-4.0 GHz

PRELIMINARY DATA SHEET
SKY12146-321: 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}
Description
The SKY12146-321 is a GaAs IC PHEMT voltage variable
attenuator that has been designed for WLAN applications.
Operating from 2.7–4.0 GHz, the SKY12146-321 is ideal for low
cost applications such as 3.5 GHz fixed wireless LAN power
control applications.
Electrical Specifications at 25 °C
Insertion loss (V_C = 1.2 V)
Maximum attenuation (V_C = 0.2 V)
VSWR — all ports
Parameter
Absolute Maximum Ratings
Characteristic
Value
RF input power
1 W max.
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.
Typ.
Max.
Unit
1.5
1.8
dB
22
25
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.
Typ.
Max.
Unit
80
50
ns
150
ns
25
mV
13
dBm
20
dBm
0.2
1.2
V
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
Skyworks Proprietary Information. • Products and product information are subject to change without notice. • April 27, 2004
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