GaAs IC Transfer Switch DC鈥? GHz
AS127-59
Features
s
High Linearity (+45 dBm IP3 @ 0.9 GHz)
s
Small MSOP-8 Plastic Package
s
Low Insertion Loss (0.4 dB @ 0.9 GHz)
s
Simultaneous T/R Switching
PIN 1
0.012 (0.30 mm)
PIN 1
INDICATOR
MSOP-8
0.0256 (0.65 mm) TYP.
0.118 (3.00 mm)
鹵 0.004 (0.1 mm)
SQ.
0.193 (4.90 mm)
REF.
Description
The AS127-59 is a 4 port switch designed to combine T/R
and antenna changeover switching capability within one
device. This switch has two 5 V controls and is ideal for
applications requiring low power consumption. The
AS127-59 has excellent performance to 2 GHz making it
suitable for dual band handset designs.
7.0藲
0.038 (0.95 mm) TYP.
0.030 (0.75 mm)
0.017
(0.43 mm)
+ 0.006 (0.15 mm)
- 0.002 (0.05 mm)
0.007 (0.18 mm)
鹵 0.005 (0.12 mm)
8.0藲
MAX.
0.006 (0.15 mm)
0.002 (0.05 mm)
0.028 (0.70 mm)
0.016 (0.40 mm)
Electrical Specifications at 25擄C (0, -5 V)
T
X
鈥揓
1
or R
X
鈥揓
1
Parameter
1
Insertion
Loss
3
Frequency
2
DC鈥?.5 GHz
DC鈥?.0 GHz
DC鈥?.0 GHz
DC鈥?.5 GHz
DC鈥?.0 GHz
DC鈥?.0 GHz
DC鈥?.0 GHz
DC鈥?.0 GHz
20
13
10
Min.
Typ.
0.35
0.45
0.7
25
15
13
1.2:1
1.3:1
1.5:1
1.8:1
Max.
0.5
0.7
1.0
25
17
14
Min.
T
X
鈥揓
2
or R
X
鈥揓
2
Typ.
0.5
0.6
0.85
28
20
16
1.2:1
1.3:1
1.5:1
1.8:1
Max.
0.7
0.9
1.3
Unit
dB
dB
dB
dB
dB
dB
Isolation
VSWR
4
Operating Characteristics at 25擄C (0, -5 V)
Parameter
Switching Characteristics
5
Condition
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
0.5鈥?.0 GHz
For Two-tone Input Power +0 dBm
V
Low
= 0 to -0.2 V @ 20 碌A(chǔ) Max.
V
High
= -5 V @ 25 碌A(chǔ) to -8 V @ 100 碌A(chǔ) Max.
0.5鈥?.0 GHz
Frequency
Min.
Typ.
20
40
50
+33
+45
Max.
Unit
ns
ns
mV
dBm
dBm
Input Power for 1 dB Compression (T
X
)
Intermodulation Intercept Point (IP3)
Control Voltages
1. All measurements made in a 50
鈩?/div>
system, unless otherwise specified.
2. DC = 300 kHz.
3. Insertion loss changes by 0.003 dB/擄C.
4. Insertion loss state.
5. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
Alpha Industries, Inc.
[781] 935-5150
鈥?/div>
Fax
[617] 824-4579
鈥?/div>
Email
sales@alphaind.com
鈥?/div>
www.alphaind.com
Specifications subject to change without notice. 3/99A
1
1
2
