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參數(shù)資料
| 型號(hào)： | AS178-73 |
| 廠商： | Alpha Industries, Inc. |
| 英文描述： | PHEMT GaAs IC High Linearity Positive Control SPDT Switch DC-2 GHz |
| 中文描述： | PHEMT的砷化鎵集成電路積極控制高線性單刀雙擲開(kāi)關(guān)的DC - 2吉赫 |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大小： | 40K |
| 代理商： | AS178-73 |
Alpha Industries, Inc.
[781] 935-5150
Fax
[617] 824-4579
Email
sales@alphaind.com
www.alphaind.com
Specifications subject to change without notice. 11/99A
1
PHEMT GaAs IC High Linearity Positive
Control SPDT Switch DC–2 GHz
Features
I
High Linearity (50 dBm IP3 @ 0.9 GHz)
@ 3 V
I
Low Insertion Loss (0.35 dB @ 0.9 GHz)
I
Isolation (21 dB @ 0.9 GHz)
I
+3 V Operation
I
Ultra Miniature SOT-6 Package
I
PHEMT Process
SOT-6
AS178-73
0.074
(1.90 mm REF.)
0.071 (1.80 mm)
0.052 (1.30 mm)
0.037 (0.95 mm) REF.
0.122 (3.10 mm)
0.106 (2.70 mm)
0.006
(0.15 mm)
0.000
(0.00 mm)
0.057 (1.45 mm)
0.035 (0.90 mm)
0.020 (0.51 mm)
0.014 (0.350 mm)
0.126 (3.20 mm)
0.087 (2.20 mm)
PIN 6
PIN 1
PIN 1
INDICATOR
0.022 (0.61 mm)
0.004 (0.10 mm)
0.014
(0.26 mm)
0.004
(0.10 mm)
0.012
(0.30 mm)
TYP.
5.0 ± 1
5.0 ± 1
Description
The AS178-73 is a PHEMT GaAs FET IC high linearity
SPDT switch in a SOT-6 plastic package.This switch has
been designed for use where extremely high linearity, low
insertion loss and ultra miniature package size are
required. It can be controlled with positive, negative or a
combination of both voltages.
implementations include antenna changeover, T/R and
Some standard
Parameter
1
Frequency
2
DC–0.5 GHz
DC–1.0 GHz
DC–2.0 GHz
DC–0.5 GHz
DC–1.0 GHz
DC–2.0 GHz
DC–1.0 GHz
DC–2.0 GHz
Min.
Typ.
0.45
0.45
0.55
28
23
17
1.2:1
1.3:1
Max.
0.6
0.6
0.7
Unit
dB
dB
dB
dB
dB
dB
Insertion Loss
3
Isolation
25
20
14
VSWR
4
1.4:1
1.8:1
Electrical Specifications at 25°C (0, +3 V)
Preliminary
Parameter
Condition
Frequency
Min.
Typ.
60
100
50
+34
+38
Max.
Unit
ns
ns
mV
dBm
dBm
Switching Characteristics
5
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
0/+3 V
0/+5 V
For Two-tone Input Power +17 dBm
0/+3 V
0/+5 V
V
Low
= 0 to 0.2 V @ 20 μA Max.
V
High
= +3 V @ 100 μA Max. to +5 V @ 200 μA Max.
V
S
= V
High
± 0.2 V
Input Power for 1 dB Compression
0.9 GHz
0.9 GHz
Intermodulation Intercept Point (IP3)
0.9 GHz
0.9 GHz
+50
+57
dBm
dBm
Control Voltages
Operating Characteristics at 25°C (0, +3 V)
1. All measurements made in a 50
system, unless otherwise specified.
2. DC = 300 kHz.
3. Insertion loss changes by 0.003 dB/°C.
4. Insertion loss state.
5.Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
diversity switching over 2 W.The AS178-73 switch can be
used in many analog and digital wireless communication
systems including cellular, GSM and DECT applications.
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