High Power Maximum Ratings Operating Temperature_-55°C to 100°C Permanent damage may occur if any of these limits are exceeded. COUPLED (forward) COUPLED (reverse) GROUND Outline Drawing Suggested Layout, Tolerance to be within ±.002 Demo Board MCL P/N: TB-255+ Suggested PCB Layout (PL-131) • four-port coupler • excellent VSWR, 1.2:1 typ., all ports • minimal variation with temperature • ultra small size, hermetically sealed DENOTES PCB COPPER LAYOUT WITH SMOBC (SOLDER MASK OVER BARE COPPER) DENOTES COPPER LAND PATTERN FREE OF SOLDER MASK FREQ. COUPLING Electrical Specifications MAINLINE LOSS1 (dB) 1. Mainline loss includes theoretical power loss of 0.43 dB at the 10.2 dB coupling. Typical Performance Data Frequency Mainline Loss (MHz) (dB) Coupling Directivity In-Cpl Fwd Out-Cpl Rev Out-Cpl Fwd In-Cpl Rev Electrical Schematic COUPLED COUPLED FORWARD REVERSE DC+RF DC+RF * ELECTRICAL SCHEMATIC IS FOR BI-DIRECTIONAL COUPLER WITHOUT INTERNAL TRANSFORMERS AND RESISTORS. COUPLING & DIRECTIVITY A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document. B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit's applicable established test performance criteria and measurement instructions. C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, ''Standard Terms'1); Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits' website at www.minicircuits.com/MCLStore/terms.jsp CJMini-Circuits® www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 [email protected]