Bi-Directional Coupler
75Ω
Up to 100W
-55°C to 100°C
-55°C to 100°C
2.0 A
DC Pass
ZABDC20-25H75+
700 to 2500 MHz
Features
• excellent mainline loss, 0.15 dB typ.
• excellent directivity, 25 dB typ.
• high power, up to 100W
• rugged shielded case
• DC current through input to output 2.0A Max.
at 50 watt RF input power
CASE STYLE: DD477-1
Connectors Model
N-TYPE
ZABDC20-25H75+
Price
$129.95
Qty.
(1-9)
Maximum Ratings
Operating Temperature
Storage Temperature
DC Current
* Case temperature is defined as temperature on ground leads
.
Permanent damage may occur if any of these limits are exceeded.
Coaxial Connections
INPUT
OUTPUT
COUPLED (forward)
COUPLED (reverse)
1
4
2
3
Applications
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
• cable tv
• power leveling & monitoring
• VSWR measurement
Bi-Directional Coupler Electrical Specifications
FREQ.
(MHz)
f
L
-f
U
700-2500
800-1000
1000-1300
1300-2200
2200-2500
Outline Drawing
COUPLING
(dB)
Nom.
21.5±1.0
20±0.8
18.5±1.0
18.5±1.0
Flatness
±0.95
±0.95
±0.7
±0.7
MAINLINE LOSS
1
(dB)
Typ.
0.15
0.10
0.15
0.15
0.15
Max.
0.35
0.30
0.35
0.35
0.35
DIRECTIVITY
(dB)
Typ.
25
27
27
25
18
Min.
15
22
20
17
15
VSWR
(:1)
Typ.
1.08
1.08
1.08
1.08
1.08
POWER
INPUT
(W)
Max.
25
100
50
50
25
1. Mainline loss includes theoretical power loss at coupled port.
Typical Performance Data
Frequency
(MHz)
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl Fwd
23.45
22.41
20.85
20.24
19.29
18.72
18.26
18.13
18.33
19.29
Out-Cpl Rev
23.45
22.41
20.86
20.25
19.29
18.71
18.24
18.11
18.32
19.29
Directivity
(dB)
Out-Cpl Fwd
27.55
27.34
26.91
26.77
26.66
26.90
27.53
26.08
22.74
18.56
In-Cpl Rev
27.50
27.33
27.33
27.44
27.95
28.73
29.85
27.79
23.99
19.52
In
34.81
32.60
29.85
29.14
28.17
29.02
31.79
41.10
33.31
27.08
Return Loss
(dB)
Out
34.65
32.55
29.89
29.39
28.04
29.00
32.85
43.50
33.65
27.97
Cpl Fwd
33.64
31.58
29.17
28.78
27.88
30.31
40.91
31.19
24.74
22.95
Cpl Rev
33.85
31.93
29.13
28.99
28.11
30.70
40.80
30.29
24.89
23.50
Outline Dimensions (
inch
)
mm
A
2.00
50.80
H
.38
9.65
B
2.00
50.80
J
---
---
C
.88
22.35
K
.50
12.70
D
.90
22.86
L
1.00
25.40
E
.156
3.96
M
1.25
31.75
F
1.688
42.88
G
.125
3.18
wt
grams
225
700.00
800.00
1000.00
1100.00
1300.00
1500.00
1700.00
2000.00
2200.00
2500.00
0.07
0.07
0.09
0.10
0.12
0.16
0.18
0.16
0.13
0.20
0.32
MAINLINE LOSS (dB)
0.28
0.24
0.20
0.16
0.12
0.08
0.04
at RF level of -10 dBm
ZABDC20-25H75+
MAINLINE LOSS
50
COUPLING &
DIRECTIVITY (dB)
40
30
20
10
at RF level of -10 dBm
ZABDC20-25H75+
COUPLING & DIRECTIVITY
COUPLING IN-CPL FWD
DIRECTIVITY IN-CPL REV
900 1100 1300 1500 1700 1900 2100 2300 2500
FREQUENCY (MHz)
0.00
700
900 1100 1300 1500 1700 1900 2100 2300 2500
FREQUENCY (MHz)
0
700
60
RETURN LOSS (dB)
50
40
30
20
at RF level of -10 dBm
ZABDC20-25H75+
RETURN LOSS
CPL-FWD
CPL-REV
Electrical Schematic
IN
OUT
10
700
900 1100 1300 1500 1700 1900 2100 2300 2500
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
www.minicircuits.com
P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Mini-Circuits
®
REV. A
M119986
ED-13230
ZABDC20-25H75+
WP/CP/AM
131017
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