Plug-In
PDC-20-3BD+
PDC-20-3BD
Bi-Directional Coupler
50Ω 0.2 to 250 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
Features
• up to 4W power input
-55°C to 100°C
-55°C to 100°C
• excellent VSWR, 1.1:1 typ.
• very low mainline loss, 0.25 dB typ.
• excellent directivity, 40 dB typ.
• rugged welded construction, hermetically sealed
CASE STYLE: A01
PRICE: $25.20 ea. QTY. (1-9)
Permanent damage may occur if any of these limits are exceeded.
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/UHF
COUPLED (forward)
COUPLED (reverse)
GROUND
• communication receivers & transmmitters
• amateur radio
6
2,5,7,8
2,5,7,8
CASE GROUND
Directional Coupler Electrical Specifications
FREQ.
(MHz)
COUPLING
(dB)
MAINLINE LOSS1
(dB)
DIRECTIVITY
(dB)
VSWR POWER
(:1) INPUT, W
L
M
U
L
M
U
L
MU
Max. Max.
1.5 4.0
Outline Drawing
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
0.3
1.0 0.25 0.9 0.35 0.7
47
25
40
25
30
20
1.1
L = low range [fL to 10 fL]
U= upper range [fU/2 to fU]
1. Mainline loss includes theoretical power loss at coupled port.
Typical Performance Data
Frequency Mainline Loss
Coupling
(dB)
Directivity
(dB)
Return Loss
(dB)
(MHz)
(dB)
In-Out
In-Cpl Fwd
Out-Cpl Rev Out-Cpl Fwd In-Cpl Rev
In
Out
Cpl Fwd
Cpl Rev
0.20
0.50
1.00
5.00
10.00
0.37
0.30
0.25
0.20
0.20
19.39
19.37
19.33
19.27
19.27
19.45
19.39
19.32
19.28
19.27
59.26
59.12
60.43
58.69
57.23
40.06
46.47
52.88
62.79
60.02
21.10
26.95
30.73
40.44
42.50
20.56
21.39
26.07
28.84
33.63
34.16
21.84
27.37
30.94
39.59
41.33
25.66
28.71
34.00
34.54
20.00
50.00
100.00
200.00
250.00
0.21
0.24
0.28
0.34
0.39
19.29
19.32
19.36
19.45
19.54
19.28
19.32
19.40
19.63
19.83
55.96
49.80
41.57
31.52
28.07
52.13
44.08
37.13
30.76
28.71
41.82
36.66
31.05
25.65
24.44
34.37
33.15
30.48
26.34
25.35
34.15
33.62
31.22
27.61
26.62
41.00
36.92
31.92
26.80
25.46
Outline Dimensions ( inch
)
mm
A
.770
B
.800
C
.385
D
.400
E
.370
F
.400
PDC-20-3BD
MAINLINE LOSS
PDC-20-3BD
COUPLING & DIRECTIVITY
at RF level of -10 dBm
at RF level of -10 dBm
0.4
19.56 20.32 9.78 10.16 9.40 10.16
90
COUPLING IN - CPL FWD
DIRECTIVITY IN - CPL REV
80
70
60
50
40
30
20
10
G
.200
5.08
H
.20
5.08
J
.14
3.56
K
.031
0.79
wt
grams
5.2
0.3
0.2
0.1
0.0
0.1
1
10
100
1000
0.1
1
10
100
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
Electrical Schematic
PDC-20-3BD
RETURN LOSS
at RF level of -10 dBm
50
45
40
35
30
25
20
IN
OUT
CPL FWD
CPL REV
0.1
1
10
100
1000
FREQUENCY (MHz)
Notes
REV.C
M124579
PDC-20-3BD
WZ/TD/CP/AM
130114
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
®
Mini-Circuits
www.minicircuits.com P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com