參數(shù)資料
型號: SW-258
英文描述: Schottky Barrier Diodes
中文描述: 肖特基勢壘二極管
文件頁數(shù): 3/4頁
文件大小: 94K
代理商: SW-258
V2.00
2 Watt Cellular T/R and Antenna Changeover Switch
SW-358, SW-359A
M/A-COM, Inc.
North America:
Tel. (800) 366-2266
Fax (800) 618-8883
I
Asia/Pacific: Tel. +81 (03) 3226-1671
Fax +81 (03) 3226-1451
I
Europe: Tel. +44 (1344) 869 595
Fax +44 (1344) 300 020
3
Specifications Subject to Change Without Notice.
Mode
V
CC
Control Input A
0 ±0.2 V
V
CC
±0.2 V
Control Input B
V
CC
±0.2 V
0 ±0.2 V
RFC - RF1
On
Off
RFC - RF2
Off
On
Positve Control and Supply
1
+3 to +8.5 V
-V
V
CC
V
CC
-V
On
Off
Off
On
Positive Supply and
Positive/Negative Control
1,2
+3 to +8.5 V
0 ±0.2 V
-3 V -8.5 V
-3 V to -8.5 V
0 ±0.2 V
Off
On
On
Off
Negative Control
3
0 V (GND)
SW-358 Voltage Selection Truth Table
Note: 1. External DC blocking capacitors are required on all RF ports.
2. |-V| + V
8.5 volts.
3. If negative control is used, DC blocking capacitors are not required on the RF ports.
Mode
Control Input A
0 ±0.2 V
+3 to +8.5 V
Control Input B
+3 to +8.5 V
0 ±0.2 V
RFC - RF1
On
Off
RFC - RF2
Off
On
Positve Control
1
-V
+V
+V
-V
On
Off
Off
On
Positive/Negative Control
1,2
0 ±0.2 V
-3 V to -8.5 V
-3 V to -8.5 V
0 ±0.2 V
Off
On
On
Off
Negative Control
3
SW-359A Voltage Selection Truth Table
Note: 1. External DC blocking capacitors are required on all RF ports.
2. | -V | +V
8.5.
3. If negative control is used, DC blocking capacitors are not required on the RF ports.
Functional Schematics
RFC
GND
V
CC
GND
B
A
RF2
RF1
SW-358
RFC
GND
NC
GND
B
A
RF2
RF1
SW-359A
Pin 1
Pin 1
Pin 8
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