Plug-In
Directional Coupler
PDC-20-3+
50Ω
0.2 to 250 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
Features
• excellent directivity, 33 dB typ.
• low mainline loss, 0.25 dB typ.
• up to 4W power input
-55°C to 100°C
-55°C to 100°C
CASE STYLE: A01
PRICE: $23.20 ea. QTY. (1-9)
Permanent damage may occur if any of these limits are exceeded.
• good VSWR, 1.2:1 typ.
• rugged welded construction, hermetically sealed
Pin Connections
INPUT
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
1
Applications
OUTPUT
4
3
• HF/VHF
COUPLED
GROUND
CASE GROUND
NOT USED
• defense & federal communications
• power levelling
2,5,7,8
2,5,7,8
6
Directional Coupler Electrical Specifications
FREQ.
(MHz)
COUPLING
(dB)
MAINLINE LOSS1*
(dB)
DIRECTIVITY
(dB)
VSWR POWER
(:1) INPUT, W
Outline Drawing
L
M
U
L
M
U
L
MU
Max. Max.
1.5 4.0
fL-fU
Nom.
Flatness
±0.5
M = mid range [10 fL to fU/2]
Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ. Min. Typ. Min.
Typ.
0.2-250 19.5±0.5
0.35 0.6 0.25 0.5 0.35 0.6
36
30
33
25
25
20
1.2
L = low range [fL to 10 fL]
U= upper range [fU/2 to fU]
1. Mainline loss includes theoretical power loss at coupled port.
* Insertion loss specification in L range may degrade up to 1 dB at cold temperature, -55°C
Typical Performance Data
Frequency
(MHz)
Mainline Loss
(dB)
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
In-Out
In
Out
Cpl
0.20
0.60
1.00
9.00
26.00
0.29
0.30
0.27
0.21
0.21
19.42
19.43
19.39
19.33
19.34
39.65
39.51
39.77
40.19
41.15
22.30
28.91
30.93
40.70
40.44
21.91
27.26
28.75
34.16
34.09
21.73
28.15
30.08
39.85
40.06
81.00
128.00
151.00
206.00
250.00
0.24
0.25
0.25
0.27
0.28
19.35
19.36
19.34
19.37
19.40
46.36
48.96
43.44
34.46
29.83
35.00
31.81
30.66
28.27
27.05
32.30
30.48
29.73
27.91
26.87
36.98
33.86
32.37
28.82
26.10
Outline Dimensions ( inch
)
mm
A
.770
B
.800
C
.385
D
.400
E
.370
F
.400
PDC-20-3+
MAINLINE LOSS
PDC-20-3+
COUPLING & DIRECTIVITY
at RF level of -10 dBm
at RF level of -10 dBm
19.56 20.32 9.78 10.16 9.40 10.16
0.5
0.4
0.3
0.2
0.1
0.0
80
64
48
32
16
0
G
.200
5.08
H
.20
5.08
J
.14
3.56
K
.031
0.79
wt
grams
5.2
COUPLING
DIRECTIVITY
0
50
100
150
200
250
0
50
100
150
200
250
FREQUENCY (MHz)
FREQUENCY (MHz)
PDC-20-3+
RETURN LOSS
Electrical Schematic
at RF level of -10 dBm
60
50
40
30
20
10
IN
OUT
CPL
0
50
100
150
200
250
FREQUENCY (MHz)
Notes
REV. C
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
M119986
PDC-20-3+
WZ/TD/CP/AM
130114
®
Mini-Circuits
www.minicircuits.com P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com