Features
over 360 phase shift of the reflected signal
normalized and stable magnitude of the
reflected signal
voltage controlled for automated applications
protected under US Patent No. 6,479,977
Outline Drawing
50
360 Voltage Variable 180 to 450 MHz
Outline Dimensions ( )
inch
mm
Electrical Specifications
FREQUENCY
RANGE
(MHz)
CONTROL
VOLTAGE
(V)
PHASE RANGE
(Degrees)
RETURN LOSS
(dB)
f
L
-f
U
Min.
Typ.
180-450
10
360
10-12
0.5-25
REV. A
M92831
ED-8422/1
ELS-450
MM/EZ/CP
060718
INPUT
POWER
(dBm)
Max.
Applications
automated load-pull measurement of oscillators
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
Mini-Circuits ISO 9001 & ISO 14001 Certified
Maximum Ratings
Operating Temperature
0C to 50C
Storage Temperature
-40C to 100C
RF Input Power
13 dBm
Control Voltage
0.5V to 30V
ELS-450
Electronic Line Stretcher
Fixed Amplitude Mismatch, Wideband
A
B
C
D
E
F
G
H
1.25
1.25
.75
.63
.38
1.00
.125
1.000
31.75
31.75
19.05
16.00
9.65
25.40
3.18
25.40
J
K
L
M
N
P
Q
wt
--
--
.125
1.688
2.18
.75
.07 grams
--
--
3.18
42.88
55.37
19.05
1.78
70.0
Maximum Phase Shift vs. Frequency
at temperature extremes
@ Pin=+7 dBm
270
360
450
540
100
200
300
400
500
600
Frequency, MHz
Phase Shift, degrees
0C
+50C
Return Loss vs. Frequency
at temperature extremes
@ Pin=+7 dBm
-13
-12
-11
-10
-9
100
200
300
400
500
600
Frequency, MHz
Return Loss, dBr
Vc=0.5V @ 0C
Vc=10V @ 0C
Vc=25V @ 0C
Vc=0.5V @ +50C
Vc=10V @ +50C
Vc=25V @ +50C
Application Block Diagram
DUT
Coaxial Connections
RF IN
1
MONITOR OUT*
2
CONTROL
3
*monitor out port should be connected to a 50-ohm load
Connectors
Model
Price
Qty.
SMA
ELS-450-S
$149.95
(1-9)
Applications
automated load-pull measurement of oscillators
1
CASE STYLE: K18
1 See Application Note AN-45-002 on our web site.
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