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Directional Coupler
75 5 to 600 MHz
Features
-40C to 85C -55C to 100C
Surface Mount
LRDC-10-1-75+ LRDC-10-1-75
Maximum Ratings
Operating Temperature Storage Temperature
* low mainline loss, 1.0 dB typ. * high directivity, 21 dB typ.
CASE STYLE: QQQ130 PRICE: $11.95 ea. QTY (1-9)
Pin Connections
INPUT OUTPUT COUPLED GROUND ISOLATE (DO NOT USE) 6 1 4 2,5 3
Applications
* VHF/UHF * reflective power measurements * communications * signal sampling
+ RoHS compliant in accordance with EU Directive (2002/95/EC)
The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications.
Outline Drawing
Directional Coupler Electrical Specifications
FREQ. (MHz) COUPLING (dB)
L fL-fU 5-600 Nom. 10.70.5 Flatness 0.5 Typ. 1.1 Max. 1.5 Typ. 1.0
MAINLINE LOSS1 (dB)
M Max. 1.4 Typ. 1.2 U Max. 1.8 Typ. 19 L Min. 15
DIRECTIVITY (dB)
M Typ. 21 Min. 17 Typ. 21 U Min. 16
VSWR POWER (:1) INPUT, W
L Typ. 1.3 MU
Max. Max. 1.0 1.0
1. Mainline loss includes theoretical power loss at coupled port.
PCB Land Pattern
Typical Performance Data
Frequency (MHz) 5.00 6.00 8.00 10.00 100.00 200.00 300.00 400.00 500.00 600.00 Mainline Loss (dB) In-Out 1.13 1.10 1.07 1.04 1.06 1.09 1.10 1.10 1.17 1.22
LRDC-10-1-75 MAINLINE LOSS
Coupling (dB) In-Cpl 11.00 11.00 11.01 11.01 11.04 11.06 11.05 11.00 10.97 10.94
Directivity (dB) 18.81 19.15 19.61 19.82 19.70 20.07 20.99 22.22 23.08 22.42
In 18.57 18.92 19.37 19.64 19.92 19.52 19.04 18.89 19.10 19.69
Return Loss (dB) Out 23.23 24.29 25.86 26.95 26.40 22.83 20.37 19.07 18.61 19.05
Cpl 18.54 18.90 19.37 19.63 19.90 19.52 19.05 18.80 19.00 19.67
Suggested Layout, Tolerance to be within .002
Outline Dimensions ( inch ) mm
A .400 10.16 H .420 10.67 B .31 7.87 J .120 3.05 C .200 5.08 K .060 1.52 D .10 2.54 L .100 2.54 E .010 0.25 M .020 0.51 F .100 2.54 G .050 1.27 wt grams 0.55
1.3 MAINLINE LOSS (dB) 1.2 1.1 1.0 0.9 0.8
at RF level of -10 dBm
LRDC-10-1-75 COUPLING & DIRECTIVITY
40 COUPLING & DIRECTIVITY (dB) 30 20 10 0
at RF level of -10 dBm
DIRECTIVITY
COUPLING
Demo Board MCL P/N: TB-34 Suggested PCB Layout (PL-043)
0
100
200
300
400
500
600
0
100
200
300
400
500
600
FREQUENCY (MHz)
40 RETURN LOSS (dB)
at RF level of -10 dBm
LRDC-10-1-75 RETURN LOSS
IN OUT CPL
Electrical Schematic
FREQUENCY (MHz)
30
20
10
0 0 100 200 300 400 500 600 FREQUENCY (MHz)
Mini-Circuits
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ISO 9001 ISO 14001 AS 9100 CERTIFIED
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site The Design Engineers Search Engine Provides ACTUAL Data Instantly From MINI-CIRCUITS At: www.minicircuits.com
REV. B M119986 LRDC-10-1-75 WZ/TD/CP/AM 081111
IF/RF MICROWAVE COMPONENTS

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