Coaxial
Bi-Directional Coupler
50Ω, 20dB Coupling, 500 to 2000 MHz
ZX30-20-20BD+
Maximum Ratings
Operating Temperature
Storage Temperature
Features
• very broadband, multi octave
• low mainline loss, 0.2 dB typ.
• power handling, 2 watts
• low cost
-40°C to 85°C
-55°C to 100°C
CASE STYLE: GW1052
Connectors Model
Permanent damage may occur if any of these limits are exceeded.
SMA
ZX30-20-20BD-S+
Coaxial Connections
INPUT
OUTPUT
• protected by US patent, 6,790,049
1
4
2
3
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Applications
• UHF, GSM, ISM, GPS & PCN
• cellular
COUPLED (forward)
COUPLED (reverse)
Bi-Directional Coupler Electrical Specifications
FREQ.
(MHz)
COUPLING
MAINLINE LOSS1
DIRECTIVITY
VSWR
(:1)
POWER
INPUT
(W)
(dB)
(dB)
(dB)
Outline Drawing
Typ.
Flatness
Nom.
Typ.
0.2
Max.
0.4
Typ.
21
Min.
16
Typ.
1.2
1.2
1.2
1.2
Max.
500-800
800-1000
1000-1500
1700-2000
22.5 1.0
21.5 1.0
20.5 1.0
19.0 1.0
0.5
2
2
2
2
0.4
0.15
0.2
0.35
0.4
21
16
0.8
20
16
0.4
0.25
0.5
20
14
1. Mainline loss includes theoretical power loss at coupled port.
Typical Performance Data
Directivity
Return Loss
(dB)
Frequency
(MHz)
Mainline Loss
(dB)
Coupling
(dB)
In-Cpl Fwd Out-Cpl Rev
(dB)
In-Out
Out-Cpl Fwd In-Cpl Rev
In
Out
Cpl Fwd Cpl Rev
500.00
650.00
800.00
0.16
0.12
0.11
0.12
0.13
0.15
0.18
0.20
0.22
0.25
23.10
22.64
22.18
21.70
21.23
20.61
20.02
19.46
19.08
18.66
23.06
22.58
22.12
21.60
21.15
20.50
19.92
19.36
18.98
18.54
20.43
20.14
19.89
19.86
20.23
20.96
21.68
22.08
21.62
20.89
30.23
30.64
28.94
27.68
28.80
30.94
34.89
36.59
33.05
28.80
17.89
21.76
24.79
26.57
28.48
27.89
26.64
25.04
23.87
22.33
17.83 16.81 16.72
21.12 19.56 19.50
24.56 21.83 21.91
26.33 23.96 24.12
27.27 25.88 25.95
27.83 28.13 27.68
27.27 29.66 29.05
25.34 29.41 29.26
23.92 28.03 28.44
21.94 26.51 27.04
950.00
1100.00
1300.00
1500.00
1700.00
1840.00
2000.00
inch
Outline Dimensions (
)
mm
ZX30-20-20BD+
MAINLINE LOSS
ZX30-20-20BD+
COUPLING & DIRECTIVITY
A
1.04
B
.60
C
.75
D
.50
E
.10
2.54
F
.17
4.32
G
.25
6.35
at RF level of -10 dBm
at RF level of -10 dBm
26.42 15.24 19.05 12.70
38
34
30
26
22
18
0.30
0.25
0.20
0.15
0.10
0.05
H
.25
J
.50
K
.11
L
.820
M
.106
2.69
N
wt.
.12 grams
3.05 21.0
6.35 12.70
2.79 20.83
COUPLING IN-CPL FWD
DIRECTIVITY IN-CPL REV
500
800
1100
1400
1700
2000
500
800
1100
1400
1700
2000
FREQUENCY (MHz)
FREQUENCY (MHz)
ZX30-20-20BD+
RETURN LOSS
Electrical Schematic
at RF level of -10 dBm
35
30
25
20
15
IN
OUT
CPL FWD
CPL REV
500
800
1100
1400
1700
2000
FREQUENCY (MHz)
Notes
A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled
to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp
REV. C
M151107
ED-12393A
ZX30-20-20BD+
®
WZ/LC/CP/AM
151007
Page 1 of 1
Mini-Circuits
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