Coaxial
Directional Coupler
75Ω 5 to 1000 MHz
Z30-10-4-75+
Maximum Ratings
Operating Temperature
-55°C to 100°C
Storage Temperature
-55°C to 100°C
Coaxial Connections
INPUT
1
OUTPUT
2
COUPLED
3
Outline Drawing
Features
• very flat coupling
• very broad, multi-octave
• all welded construction
• protected by U.S Patents 6,140,887 & 6,784,521
Applications
• VHF/UHF
• cellular
• communications receivers & transmitters
• cable tv
CASE STYLE: K18
Connectors Model
BNC
Z30-10-4-75+
Price
$29.95 ea.
Qty.
(1-24)
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
FREQ.
(MHz)
Electrical Specifications (TAMB= -55°C to 100°C)
COUPLING
MAINLINE LOSS1
DIRECTIVITY
(dB)
(dB)
(dB)
VSWR POWER
(:1) INPUT, W
fL-fU
5-1000
Typ.
Nom. Flatness
10.5±0.5 ±0.3
L
M
U
L
M
Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ. Min.
1.8 2.5 1.5 2.3 1.5 2.2 22 16 21 14
L = low range [fL to 10 fL] M = mid range [10 fL to fU/2] U= upper range [fU/2 to fU]
1. Mainline loss includes theoretical power loss at coupled port.
U
Typ. Min.
19 —
Typ.
1.30
L MU
Max. Max.
0.5 1.0
Outline Dimensions
(
inch
mm
)
A
B
C
D
1.25 1.25 .75 .63
31.75 31.75 19.05 16.00
E
F
.38 1.00
9.65 25.40
G
H
.125 1.000
3.18 25.40
J
K
L
M
N
P
Q
wt
--
-- .125 1.688 2.18 .75 .07 grams
--
-- 3.18 42.88 55.37 19.05 1.78 70.0
Frequency
(MHz)
5.00
50.00
150.00
300.00
400.00
550.00
675.00
800.00
925.00
1000.00
Typical Performance Data
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
1.57
10.37
21.34
1.48
10.32
22.14
1.48
10.37
21.74
1.43
10.43
21.02
1.47
10.51
20.55
1.53
10.64
19.74
1.52
10.70
19.10
1.47
10.64
18.60
1.44
10.74
18.18
1.44
10.83
17.88
Return Loss
(dB)
In
Out
Cpl
15.75
16.91
17.20
17.24
17.36
16.41
16.07
16.36
16.26
16.24
21.08
25.37
24.41
23.24
23.43
19.62
17.37
17.53
16.35
16.18
15.73
16.93
16.47
15.21
14.01
11.98
10.77
9.81
9.42
9.66
at RF level of -10 dBm
2.0
1.8
1.6
1.4
Z30-10-4-75+
MAINLINE LOSS
Z30-10-4-75+
COUPLING & DIRECTIVITY
at RF level of -10 dBm
50
COUPLING
DIRECTIVITY
40
30
20
1.2
10
1.0
0
200
50 at RF level of -10 dBm
40
400
600
800
FREQUENCY (MHz)
Z30-10-4-75+
RETURN LOSS
IN
OUT
CPL
1000
0
0
200
400
600
800
1000
FREQUENCY (MHz)
electrical schematic
30
20
10
0
0
200
400
600
800
1000
FREQUENCY (MHz)
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RF/IF MICROWAVE COMPONENTS
REV. D
M108294
EDR-5734
Z30-10-4-75+
RVN/CP/AM
080617