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ZX30-20-4 Datasheet, PDF (1/1 Pages) Mini-Circuits – Coaxial Directional Coupler
Coaxial
Directional Coupler
50Ω
5 to 1000 MHz
ZX30-20-4
Maximum Ratings
Operating Temperature
Storage Temperature
-40°C to 85°C
-55°C to 100°C
Coaxial Connections
INPUT
1
OUTPUT
2
COUPLED
3
Outline Drawing
Features
• very flat coupling
• very broad, multi-octave
• all welded construction
• protected by U.S. Patent 6,140,887 & 6,784,531
Connectors
SMA
CASE STYLE: FL905
Model
Price
ZX30-20-4-S $29.95
Qty.
(1-24)
Applications
• VHF/UHF
• instrumentation
• communication receivers & transmitters
• cable tv
Directional Coupler Electrical Specifications (TAMB= 25°C)
FREQ.
RANGE
(MHz)
COUPLING
(dB)
MAINLINE LOSS1
(dB)
DIRECTIVITY
(dB)
VSWR POWER
(:1) INPUT, W
Typ.
L
M
U
L
fL-fU
Nom. Flatness
Typ. Max. Typ. Max. Typ. Max. Typ. Min.
5-1000
20.5±0.6 ±0.5
0.3 0.5 0.35 0.6 0.6 0.9 21 19
L = low range [fL to 10 fL] M = mid range [10 fL to fU/2] U = upper range [fU/2 to fU]
1. Mainline loss includes theoretical power loss at coupled port.
M
U
Typ. Min. Typ. Min.
22 19 19 11
Typ.
1.11
L MU
Max. Max.
1.0 1.0
Frequency
(MHz)
20.00
100.00
180.00
260.00
340.00
450.00
575.00
750.00
875.00
1000.00
Typical Performance Data
Insertion Loss
(dB)
In-Out
0.29
0.29
0.32
0.33
0.34
0.36
0.41
0.46
0.51
0.56
Coupling
(dB)
In-Cpl
20.09
20.12
20.16
20.17
20.18
20.20
20.29
20.46
20.63
20.85
Directivity
(dB)
21.35
22.22
23.67
26.11
29.14
28.63
22.50
16.86
14.14
12.18
Return Loss
(dB)
In
Out
Cpl
29.65
29.95
30.03
30.01
29.95
30.13
30.59
32.61
35.69
41.42
33.25
33.34
32.96
32.22
31.83
30.82
30.09
29.81
28.84
27.44
27.81
27.20
25.43
23.53
21.53
19.44
17.36
15.04
13.69
12.56
Outline Dimensions
(
inch
mm
)
A
B
C
D
E
F
G
.74 .90 .54 .50 .04 .16 .29
18.80 22.86 13.72 12.70 1.02 4.06 7.37
H
J
K
L
M
N
wt
.37
-- .122 .496 .106 .122 grams
9.40
-- 3.10 12.60 2.69 3.10 20.0
at RF level of -10 dBm
1.2
ZX30-20-4
INSERTION LOSS
0.8
0.4
0.0
0
200
60 at RF level of -10 dBm
50
400
600
800
FREQUENCY (MHz)
ZX30-20-4
RETURN LOSS
IN
OUT
CPL
1000
ZX30-20-4
COUPLING & DIRECTIVITY
60 at RF level of -10 dBm
COUPLING
50
DIRECTIVITY
40
30
20
10
0
0
200
400
600
800
FREQUENCY (MHz)
1000
electrical schematic
40
INPUT
OUTPUT
30
20
10
0
200
400
600
800
FREQUENCY (MHz)
1000
COUPLED
Mini-Circuits®
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
REV. F
M95492
ED-10213A/5
ZX30-20-4
WZ/TD/CP
050921