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
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Typical Performance Data
Bi-Directional Coupler Electrical Specications
Maximum Ratings
Coaxial Connections
Features
•UHF,GSM,ISM,GPS&PCN
•cellular
INPUT 1
OUTPUT 4
COUPLED(forward) 2
COUPLED(reverse) 3
•verybroadband,multioctave
•lowmainlineloss,0.2dBtyp.
•powerhandling,2watts
•lowcost
•protectedbyUSpatent,6,790,049
Applications
OperatingTemperature -40°Cto85°C
StorageTemperature -55°Cto100°C
Outline Drawing
Outline Dimensions ( )
inch
mm
ZX30-20-20BD+
MAINLINE LOSS
0.05
0.10
0.15
0.20
0.25
0.30
500 800 1100 1400 1700 2000
FREQUENCY (MHz)
MAINLINE LOSS (dB)
at RF level of -10 dBm
ZX30-20-20BD+
COUPLING & DIRECTIVITY
18
22
26
30
34
38
500 800 1100 1400 1700 2000
FREQUENCY (MHz)
COUPLING &
DIRECTIVITY (dB)
COUPLING IN-CPL FWD
DIRECTIVITY IN-CPL REV
at RF level of -10 dBm
ZX30-20-20BD+
ZX30-20-20BD+
RETURN LOSS
15
20
25
30
35
500 800 1100 1400 1700 2000
FREQUENCY (MHz)
RETURN LOSS (dB)
IN OUT CPL FWD CPL REV
at RF level of -10 dBm
50Ω,20dBCoupling,500to2000MHz
Bi-Directional Coupler
REV.B
M124579
ED-12393A
ZX30-20-20BD+
WZ/LC/CP/AM
131015
Coaxial
A
B
C
D
E
F
G
1.04
.75
.10
26.42 15.24 19.05 12.70 2.54 4.32 6.35
H
J
K
L
M
N
wt.
.11
.820
.106
grams
6.35 12.70 2.79 20.83 2.69 3.05
21.0
CASESTYLE:GW1052
Connectors Model Price Qty.
SMA ZX30-20-20BD-S+ $31.95(1-9)
Frequency
(MHz)
Mainline Loss
(dB)
Coupling
(dB)
Return Loss
(dB)
In Cpl FwdOutIn-Cpl Fwd Out-Cpl Rev
Directivity
(dB)
Cpl Rev
Out-Cpl Fwd In-Cpl Rev
In-Out
FREQ.
(MHz)
COUPLING
(dB)
MAINLINE LOSS1
(dB)
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT
(W)
Nom.
Typ.
Flatness Typ. Max. Ty p. Min. Typ. Max.
500-800 22.5±1.0 ±0.5 0.2 0.4 21 16 1.2 2
800-1000 21.5±1.0 ±0.4 0.15 0.35 21 16 1.2 2
1000-1500 20.5±1.0 ±0.8 0.2 0.4 20 16 1.2 2
1700-2000 19.0±1.0 ±0.4 0.25 0.5 20 14 1.2 2
500.00 0.16 23.10 23.06 20.43 30.23 17.89 17.83 16.81 16.72
650.00 0.12 22.64 22.58 20.14 30.64 21.76 21.12 19.56 19.50
800.00 0.11 22.18 22.12 19.89 28.94 24.79 24.56 21.83 21.91
950.00 0.12 21.70 21.60 19.86 27.68 26.57 26.33 23.96 24.12
1100.00 0.13 21.23 21.15 20.23 28.80 28.48 27.27 25.88 25.95
1300.00 0.15 20.61 20.50 20.96 30.94 27.89 27.83 28.13 27.68
1500.00 0.18 20.02 19.92 21.68 34.89 26.64 27.27 29.66 29.05
1700.00 0.20 19.46 19.36 22.08 36.59 25.04 25.34 29.41 29.26
1840.00 0.22 19.08 18.98 21.62 33.05 23.87 23.92 28.03 28.44
2000.00 0.25 18.66 18.54 20.89 28.80 22.33 21.94 26.51 27.04
1.Mainlinelossincludestheoreticalpowerlossatcoupledport.
Electrical Schematic
Permanentdamagemayoccurifanyoftheselimitsareexceeded.
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications