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 Directional Coupler
75 30 to 1000 MHz
Features
-40C to 85C -55C to 100C
Surface Mount
LRDC-10-2-75+ LRDC-10-2-75
Maximum Ratings
Operating Temperature Storage Temperature
* low mainline loss, 1.1 dB typ. * high directivity, 22 dB typ.
CASE STYLE: QQQ130 PRICE: $13.95 ea. QTY (1-9)
Pin Connections
INPUT OUTPUT COUPLED GROUND ISOLATE (DO NOT USE) 6 1 4 2,5 3
Applications
* VHF/UHF * cellular * communications * cable tv
+ 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 30-1000 Nom. 10.00.5 Flatness 0.6 Typ. 1.0 Max. 1.5 Typ. 1.1
MAINLINE LOSS1 (dB)
M Max. 1.5 Typ. 1.3 U Max. 1.8 Typ. 21 L Min. 17
DIRECTIVITY (dB)
M Typ. 22 Min. 17 Typ. 19 U Min. 15
VSWR POWER (:1) INPUT, W
L Typ. 1.3 MU
Max. Max. 1.0 1.0
PCB Land Pattern
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.
Typical Performance Data
Frequency (MHz) 28.88 30.16 91.46 161.00 289.64 498.87 593.68 754.14 897.47 1000.56 Mainline Loss (dB) In-Out 1.19 1.18 1.09 1.09 1.10 1.14 1.14 1.15 1.27 1.32
LRDC-10-2-75 MAINLINE LOSS
Coupling (dB) In-Cpl 10.13 10.12 10.08 10.08 10.08 10.08 10.03 9.89 9.83 9.71
Directivity (dB) 22.47 22.61 23.28 23.22 23.11 25.17 28.72 37.29 23.63 19.42
In 17.24 17.35 19.85 20.96 22.21 23.34 24.21 26.06 25.07 22.80
Return Loss (dB) Out 22.09 22.42 35.09 37.04 26.01 21.75 21.99 25.35 32.45 31.75
Cpl 17.46 17.57 20.23 21.47 23.37 26.81 28.05 28.78 28.13 28.13
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
LRDC-10-2-75 COUPLING & DIRECTIVITY 50 COUPLING & DIRECTIVITY (dB) 40 30 20 10 0
at RF level of -10 dBm
1.5
MAINLINE LOSS (dB)
at RF level of -10 dBm
COUPLING
1.4 1.3 1.2 1.1 1.0 0 200 400 600 FREQUENCY (MHz) 800 1000
DIRECTIVITY
Demo Board MCL P/N: TB-34 Suggested PCB Layout (PL-043)
0
200
400 600 FREQUENCY (MHz)
800
1000
LRDC-10-2-75 RETURN LOSS 50 RETURN LOSS (dB) 40 30 20 10 0 0 200 400 600 FREQUENCY (MHz) 800 1000
at RF level of -10 dBm
Electrical Schematic
CPL
IN
OUT
Mini-Circuits
TM
(R)
minicircuits.com
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. C M119986 LRDC-10-2-75 WZ/TD/CP/AM 081111
IF/RF MICROWAVE COMPONENTS


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