GaAs IC SP4T Non-Reflective
Switch DC–2 GHz
AS115-61
Features
■ -3 V to -5 V Operation
LQFP-32
0.364 (9.25 mm)
0.344 (8.74 mm)
SQ.
32
0.280 (7.11 mm)
0.272 (6.91 mm)
SQ.
■ High Isolation (50 dB @ 0.9 GHz)
■ Low Insertion Loss (0.7 dB @ 0.9 GHz)
■ LQFP-32 Plastic Package
1
■ Non-Reflective All Ports
0.057
(1.45 mm)
0.053
0.030
(0.76 mm)
0.018
12.0˚
TYP.
R 0.008
(0.20 mm)
0.063
(1.60 mm)
MAX.
(1.35 mm)
Description
(0.46 mm)
0.006 (0.15 mm)
0.002 (0.05 mm)
The AS115-61 is a high isolation SP4T FET IC non-
reflective switch. The switch operates with 0 and -3 V or
-5 V over the frequency range of DC–2 GHz.The insertion
loss is 0.7 dB and isolation is 50 dB at 0.9 GHz.The switch
is ideal for cellular base station switch matrices.
0.008
(0.20 mm)
MAX.
0˚ – 7˚
12.0˚
TYP.
0.018 (0.46 mm)
0.012 (0.30 mm)
6.0˚ 4˚
0.031 (0.80 mm)
BSC
0.010 (0.25 mm)
GAGE PLANE
Electrical Specifications at 25°C (0, -5 V)
1
2
Parameter
Frequency
Min.
Typ.
Max.
Unit
3
Insertion Loss
DC–0.5 GHz
DC–1.0 GHz
DC–2.0 GHz
0.5
0.7
1.1
0.7
0.9
1.3
dB
dB
dB
Isolation
DC–0.5 GHz
DC–1.0 GHz
DC–2.0 GHz
50
45
35
58
51
39
dB
dB
dB
4
VSWR
DC–1.0 GHz
DC–2.0 GHz
1.55:1
1.65:1
1.6:1
1.8:1
Operating Characteristics at 25°C (0, -5 V)
1
Parameter
Condition
Frequency
Min.
Typ.
Max.
Unit
5
Switching Characteristics
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
15
30
30
ns
ns
mV
Input Power for 1 dB Compression
Intermodulation Intercept Point (IP3)
Control Voltages
0/-3 V
0/-5 V
0.50–2.0 GHz
0.50–2.0 GHz
+24
+30
dBm
dBm
For Two-tone Input Power +13 dBm
0.50–2.0 GHz
0.05 GHz
+40
+29
dBm
dBm
V
V
= 0 to -0.2 V @ 20 µA Max.
= -3 V @ 100 µA to -5 V @ 500 µA Max.
Low
High
1. All measurements made in a 50 Ω system, unless otherwise specified.
2. DC = 300 kHz.
3. Insertion loss changes by 0.003 dB/°C.
4. Input/output.
5.Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
Skyworks Solutions, Inc. [781] 376-3000 • Fax [781] 376-3100 • Email sales@skyworksinc.com • www.skyworksinc.com
1
Specifications subject to change without notice. 3/99A