
Alpha Industries, Inc.
[978] 241-7000
Fax
[978] 241-7906
Email
sales@alphaind.com
www.alphaind.com
Specifications subject to change without notice. 1/02A
1
GaAs IC Reflective SPDT with Driver 3–6 GHz
Features
■
T
X
/R
X
Switch for IEEE 802.11a Wireless
LAN Applications
■
Positive CMOS Level Control (0, +3 V)
■
Low Loss (< 1.3 dB)
■
Low DC Power Consumption
■
QFN-12 3 x 3 mm Package
■
Low Cost
■
No External Components Needed
AS210-321
Description
The AS210-321 is a GaAs PHEMT SPDT reflective switch
that has been designed for WLAN T
X
/R
X
applications.This
device has been optimized to provide excellent
performance from 3–6 GHz. The AS210-321’s low
insertion loss make it an ideal choice for the 802.11a and
3.5 GHz fixed wireless LAN applications.
Parameter
Frequency
3–4 GHz
5–6 GHz
3–5 GHz
5–6 GHz
3–6 GHz
Min.
Typ.
1.5
1.0
27
29
12
Max.
1.8
1.5
Unit
dB
dB
dB
dB
dB
Insertion Loss
Isolation
23
25
7.5
Return Loss (On State)
Electrical Specifications at 25°C (0, +3 V)
Preliminary
Parameter
Condition
Frequency
Min.
Typ.
100
150
25
50
Max.
Unit
ns
ns
mV
dBm
V
V
V
μ
A
Switching Characteristics
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
0/+3 V
C
1
= “0” with @ 700
μ
A Max.
C
1
= “1” with @ 500
μ
A Max.
Input Intermodulation Intercept Point (IIP3)
Control Voltages (C
1
)
5–6 GHz
0
0.4
5.0
5.0
700
2.4
3.0
Supply Voltage (V
S
)
Supply Current
400
Operating Characteristics at 25°C (0, +3 V)
Characteristic
Value
RF Input Power
1 W Max. > 500 MHz
Supply Voltage
-0.2 V, +6 V
Control Voltage
-0.2 V, +6 V
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
Absolute Maximum Ratings