Surface Mount Directional Couplers 5 to 1200 MHz 75Ω, 9dB Coupling, Maximum Ratings Features Operating Temperature -40°C to 85°C Storage Temperature • • • • • • • • -55°C to 100°C Pin Connections INPUT OUTPUT COUPLED GROUND ISOLATE (DO NOT USE) 3 4 1 2 6 No Leads very flat coupling very broadband, multi octave temperature stable, LTCC base all welded construction leads attached for better solderability micro miniature coupler aqueous washable protected by US Patents 6,140,887 & 6,784,521 Outline Drawing / Dimensions ( inch mm ) FREQ. (MHz) AT790-1 (DBTC-9-4-75) Suggested Layout, Tolerance to be within ±.002 B .150 3.81 C .150 3.81 D .050 1.27 E .030 0.76 F .025 0.64 G .028 0.71 H .050 1.27 J .160 4.06 Nom. 9.3±0.5 5-1200 5-50 50-500 500-1000 1000-1200 5.00 50.00 180.00 340.00 500.00 700.00 850.00 1000.00 1100.00 1200.00 F .025 0.64 G .012 0.30 H .060 1.52 J .184 4.67 K .030 0.76 Demo Board MCL P/N: TB-279 Suggested PCB Layout (PL-151) L wt .004 grams 0.10 0.10 POWER INPUT (W) Typ. Min. Typ. Max. 1.3 1.4 1.5 1.8 1.8 1.9 2.1 2.4 20 19 18 17 16 16 15 12 1.3 1.4 1.6 1.8 0.5 0.5 0.5 0.5 Directivity (dB) Coupling (dB) In-Cpl 8.95 8.94 9.04 9.17 9.31 9.43 9.50 9.50 9.53 9.55 2.5 2.0 1.5 1.0 0.5 0 200 400 Return Loss (dB) Out 27.44 37.27 24.64 19.25 15.89 13.70 12.74 12.00 11.44 10.96 Cpl 17.79 18.31 15.38 11.87 9.41 7.55 6.68 6.13 5.87 5.66 DBTC-9-4-75L+ COUPLING & DIRECTIVITY at RF level of 0 dBm 3.0 In 17.86 18.77 18.21 14.37 12.71 11.29 10.98 11.17 10.61 10.64 20.16 20.52 19.88 18.93 18.17 17.66 17.84 18.18 18.33 18.17 COUPLING & DIRECTIVITY (dB) E .037 0.94 VSWR (:1) Max. DBTC-9-4-75L+ MAINLINE LOSS MAINLINE LOSS (dB) D .050 1.27 DIRECTIVITY (dB) Typ. Mainline Loss (dB) In-Out 1.30 1.25 1.35 1.47 1.59 1.71 1.79 1.85 1.94 2.05 Suggested Layout, Tolerance to be within ±.002 C .155 3.94 The +Suffix has been added in order to identify RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications. MAINLINE LOSS (dB) Max. Flatness ±0.7 Frequency (MHz) PCB Land Pattern 600 800 1000 1200 at RF level of 0 dBm 25 20 15 COUPLING DIRECTIVITY 10 5 0 FREQUENCY (MHz) 200 400 600 800 FREQUENCY (MHz) 1000 1200 DBTC-9-4-75L+ RETURN LOSS 40 RETURN LOSS (dB) B .150 3.81 + RoHS compliant in accordance with EU Directive (2002/95/EC) Typical Performance Data K wt .030 grams 0.76 0.10 AT1030 (DBTC-9-4-75L) A .166 4.22 CASE STYLE:AT1030 PRICE: $ 2.14 ea. QTY (25) $ 1.84 ea. QTY (1000) Electrical Specifications COUPLING (dB) PCB Land Pattern Leads CASE STYLE:AT790-1 PRICE: $ 1.99 ea. QTY (25) $ 1.69 ea. QTY (1000) Applications • CATV • wire-line broadband access A .150 3.81 DBTC-9-4-75+ DBTC-9-4-75L+ at RF level of 0 dBm electrical schematic 35 IN 30 OUT CPL 25 20 15 10 5 0 200 400 600 800 FREQUENCY (MHz) 1000 1200 ® Mini-Circuits ISO 9001 ISO 14001 CERTIFIED EW ALL N minicircuits.com REV. A M111888 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 ED-12342A/1 The Design Engineers Search Engine Provides ACTUAL Data Instantly From MINI-CIRCUITS At: www.minicircuits.com RF/IF MICROWAVE COMPONENTS DBTC-9-4-75 DY/RS/CP/AM 080519