Fixed Magnitude Mismatch
Electronic Line Stretcher
180 to 450 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
RF Input Power
Control Voltage
0°C to 50°C
-40°C to 100°C
13 dBm
0.5V to 30V
ELS-450
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
Pin Configuration
RF IN
MONITOR OUT
CONTROL
1
2
3
CASE STYLE:
CONNECTOR:
PRICE:
QTY.:
K18
SMA FEMALE
$149.95 ea.
(1-9)
Applications
•
automated load-pull measurement of oscillators
Electrical Specifications
Outline Drawing
FREQUENCY
RANGE
(MHz)
f
L
-f
U
180-450
INPUT
POWER
(dBm)
Max.
10
PHASE RANGE
(Degrees)
Min.
360
RETURN LOSS
(dB)
Typ.
10-12
CONTROL
VOLTAGE
(V)
0.5-25
Application Block Diagram
Outline Dimensions (
inch
)
mm
A
B
C
D
1.25
1.25
.75
.63
31.75 31.75 19.05 16.00
J
—
—
K
—
—
E
F
.38 1.000
9.65 25.40
G
H
.125 1.000
3.18 25.40
Q
wt.
.07 grams
1.78
70.0
L
M
N
P
.125 1.688
2.18
.75
3.18 42.88 55.37 19.05
Maximum Phase Shift vs. Frequency
at temperature extremes
@ Pin = +7 dBm
540
-9
Return Loss vs. Frequency
at temperature extremes
@ Pin = +7 dBm
Phase Shift, degrees
-10
450
Return Loss, dBr
-11
360
-12
270
100
200
300
400
500
600
-13
100
200
300
400
500
600
Frequency, MHz
0C
+50C
®
Frequency, MHz
Vc = 0.5V @ 0C
Vc = 0.5V @ +50C
Vc = 10V @ 0C
Vc = 10V @ +50C
Vc = 25V @ 0C
Vc = 25V @ +50C
REV. A
M92831
ED-8422/1
ELS-450
MM/EZ/CP
040609
Mini-Circuits
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