參數(shù)資料
型號(hào)： MSWT-4-20
廠商： MINI-CIRCUITS
元件分類： 衰減器
英文描述： 50ohm Transfer, DC to 2.0 GHz Low Video Leakage
中文描述： 0 MHz - 2000 MHz RF/MICROWAVE TRANSFER SWITCH, 2.2 dB INSERTION LOSS
封裝： CASE XX211-1, 8 PIN
文件頁數(shù)： 1/2頁
文件大?。?/td> 251K
代理商： MSWT-4-20
Outline Dimensions ( )
Maximum Ratings
Operating Temperature
Features
wideband, DC to 2.0 GHz
low video leakage, 15 mVp-p typ.
excellent VSWR, 1.2:1 typ.
transmitter/receiver
automatic test equipment
Applications
-40°C to 85°C
Storage Temperature
-55°C to 100°C
CASE STYLE: XX211
PRICE: $3.45 ea. QTY (10)
Outline Drawing
MSWT-4-20+
MSWT-4-20
Electrical Specifications
FREQ.
(GHz)
INSERTION LOSS
(dB)
1dB COMPR.
(dBm)
ISOLATION
(dB)
DC-100
MHz
100-500
MHz
500-1000
MHz
1000-2000
MHz
DC-100
MHz
100-500
MHz
500-1000
MHz
1000-2000
MHz
DC-100
MHz
100-500
MHz
500-1000
MHz
1000-2000
MHz
f
L
f
U
Path
Typ.
0.9
1.1
—
Max.
1.2
1.4
—
Typ.
1.1
1.3
—
Max.
1.5
1.7
—
Typ.
1.25
1.5
—
Max.
1.8
2.0
—
Typ.
1.45 2.2
1.6
—
Max.
Typ.
18
16
—
Typ.
25
18
—
Typ.
28
20
—
Typ
29
22
—
Typ.
51
52
60
Min.
44
46
53
Typ.
34
37
41
Min.
27
31
36
Typ.
26
29
34
Min. Typ.
21
24
27
Min
15
17
21
DC 2.0
Tx-J1/J2
J1/J2-Rx
Tx-Rx
19
21
28
2.2
—
Pin Connections
Tx
Rx
J1
J2
CONTROL 1
CONTROL 2
CONTROL 3
CONTROL 4 7
2
6
4
8
1
3
5
Additional Specifications
Control Voltage
-8/0 for compression spec, -8 to -5/0 for all other specs
Control Current, mA
0.2 max to -8V, 0.02 max at 0 to -0.2V
VSWR(:1)
DC-.1GHz
1.2 typ.
1.65 max.
.1-.5GHz
1.25 typ.
1.8 max.
.5-1GHz
1.4 typ.
1.9 max.
1-2GHz
1.4 typ.
1.7 max.
Rise/Fall time (10%-90%), ns
Switching time, 50% of Control to
90% RF(Turn-on), ns
10% RF(Turn-off), ns
**Video Leakage, mVp-p
0/-5V Control
2 typ.
4 typ
4 typ
15 typ.
A
B
C
D
E
F
G
.163
4.14
.210
5.33
.077
1.96
.250
6.35
.220
5.59
.050
1.27
.017
0.43
H
J
K
M
N
P
wt
.009
0.23
.025
0.64
.030
0.76
.050
1.27
.030
0.76
.270
6.86
grams
0.10
The functional schematic diagram for a diversity application of the switch is shown in Figure 1, with the required external components including 4
independent drivers at the control ports. When operation as a transfer switch is desired only 2 drivers are needed, one connected to the V1 and V3 ports
together, and the other connected to the V2 and V4 ports. In either case, two DC return paths are needed for the control voltages, represented by the
ground symbols in the diagram. These returns must be via oppositely situated RF ports (Tx and Rx or J1 and J2), and can be furnished incidentally by the
user's RF terminating devices themselves. However, if those devices are AC-coupled (that is, they contain DC blocking capacitors), then the shunt resis-
tors shown in the diagram are needed. The resistor should be installed either at the Tx and Rx ports (connection shown as solid), or at J1 and J2 (shown
dotted), with equal effect. If one external RF device has a DC return to ground, for example, then only one resistor is needed; it must be installed at the
opposite RF port of the switch. The resistance of each of the external DC returns should be 20K ohms or less, for proper ON/OFF FETs.
Control Ports
"On" Path
(other paths are "OFF")
1
2
3
4
0
-v
-v
-v
T
X
-J
2
-v
0
-v
-v
T
X
-J
1
-v
-v
0
-v
R
X
-J
1
-v
-v
-v
0
R
X
-J
2
0
-v
0
-v
T
X
-J
2
& R
X
-J
1
-v
0
-v
0
T
X
-J
1
& R
X
-J
2
Application Note for MSWT-4-20 Transmit-Receive Switch:
** Video leakage or break through is defined as leakage of switching signal to RF output ports.
1. RF Power Input (dBm), Max.
DC-100MHz
Steady State Control 0/-8V
24
As a Modulator
12
2. Control Current, 500μA (occurs at -9V to -12V typ.)
100-500 MHz
27
17
500-2000MHz
33
23
Demo Board MCL P/N: TB-202
Suggested PCB Layout (PL-220)
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers
NORTH AMERICA 800-654-7949 417-335-5935 Fax 417-335-5945 EUROPE 44-1252-832600 Fax 44-1252-837010
Mini-Circuits
ISO 9001 & ISO 14001
Certified
50
Transfer,
DC to 2.0 GHz
Low Video Leakage
Switch
Surface Mount
REV. B
M102713
MSWT-4-20
WP/CP
060117
Page 1 of 2
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +suffix identifies RoHS Compliance. See our web site
for RoHS compliance methodologies and qualifications.
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