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Mini-Circuits
Mini-Circuits ISO 9001 & ISO 14001 Certified
50 40 to 400 MHz
Directional Coupler
Plug-In
CASE STYLE: A01
PRICE: $52.20 ea. QTY. (1-9)
Outline Dimensions ( )
inch
mm
Maximum Ratings
Pin Connections
INPUT
1
OUTPUT
2
COUPLED
5
GROUND
3,4,6,7,8
CASE GROUND
3,4,6,7,8
Outline Drawing
Directional Coupler Electrical Specifications
REV. OR
M93851
PDC20-400HP
WZ/TD/CP/AM
060721
A
B
C
D
E
F
.770
.800
.385
.400
.370
.400
19.56 20.32
9.78 10.16
9.40 10.16
G
H
J
K
wt
.200
.20
.14
.031
grams
5.08
5.08
3.56
0.79
5.2
Typical Performance Data
PDC20-400HP
Operating Temperature
-55C to 100C
Storage Temperature
-55C to 100C
Features
high power, up to 10W power input
wideband, 4 to 400 MHz
low insertion loss, 0.2 dB typ.
excellent directivity, 30 dB typ.
rugged welded construction, hermetically sealed
Applications
power levelling
military & defense communications
VSWR measurement
PDC20-400HP
MAINLINE LOSS
0.0
0.1
0.2
0.3
0.4
0.5
40
112
184
256
328
400
FREQUENCY (MHz)
MAINLINE
LOSS
(dB)
at RF level of -10 dBm
PDC20-400HP
COUPLING & DIRECTIVITY
0
10
20
30
40
50
60
70
80
40
112
184
256
328
400
FREQUENCY (MHz)
C
O
U
P
L
I
N
G
&
D
I
R
E
C
T
I
V
I
T
Y
(
d
B
)
COUPLING
DIRECTIVITY
at RF level of -10 dBm
PDC20-400HP
RETURN LOSS
10
20
30
40
50
60
70
40
112
184
256
328
400
FREQUENCY (MHz)
RETURN
LOSS
(dB)
IN
OUT
CPL
at RF level of -10 dBm
electrical schematic
INPUT
OUTPUT
COUPLED
Frequency
(MHz)
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
In
Return Loss
(dB)
Out
Cpl
40.00
0.08
21.91
27.54
25.40
25.17
25.48
64.00
0.12
21.84
35.86
30.09
31.45
29.93
88.00
0.14
21.81
45.58
32.95
37.18
32.12
120.00
0.18
21.84
45.56
35.19
42.43
33.49
160.00
0.19
21.84
40.49
36.89
40.19
34.73
210.00
0.24
21.83
37.31
36.89
35.12
35.99
260.00
0.25
21.81
34.65
34.69
31.80
37.34
310.00
0.30
21.73
33.12
31.93
29.39
39.03
360.00
0.32
21.72
30.76
29.36
27.46
41.34
400.00
0.37
21.62
29.41
27.52
26.13
43.97
FREQ.
(MHz)
COUPLING
(dB)
MAINLINE LOSS
1
(dB)
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT, W
Nom. Flatness
L
M
U
L
M
U
L
MU
f
L
-f
U
Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ. Min. Typ. Min.
Typ.
Max. Max.
40-400
21.50.5
0.6
0.1
0.3
0.2
0.4
0.2
0.5
30
20
30
20
27
18
1.1
10.0 10.0
L = 40-100 MHz M = 100-200 MHz U = 200-400 MHz
1. Mainline loss includes theoretical power loss at coupled port.
External heat sinking is recommended to reduce case temperature
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