DIRECTIONAL COUPLER SURFACE MOUNT MODEL: KDS-20-225 225 - 400 MHz OPTIMIZED BANDWIDTH FEATURES: ► Low Insertion Loss ► Excellent Coupling Flatness ► High Directivity ► Small Size, Surface Mount -19 -19.5 Coupling (dB) -20 -20.5 -21 -21.5 -22 225 250 275 300 325 350 375 Frequency (MHz) SPECIFICATIONS (Rev. A 06/13/07) Frequency 225 - 400 MHz Coupling 20 dB ±1.0 dB (Nom.) Coupling Flatness ±0.5 dB Mainline Loss Directivity dB (Typ.) dB (Max.) 0.2 0.4 dB (Typ.) dB (Min.) 25 18 Input Power 50 Watts (CW) Output Impedance 50 Ohms (Nom.) VSWR: Operating Temperature Range Package # (Typ.) (Max.) 1.20:1 1.35:1 255 -40 to +70 °C Input 6 Copyright © Synergy Microwave Corporation 201 McLean Boulevard • Paterson, New Jersey 07504 • Tel: (973) 881-8800 • Fax: (973) 881-8361 E-Mail: [email protected] • World Wide Web: http://www.synergymwave.com Output 1 PORT CONFIGURATION Fwd.Coupled 4 Gnd. 2,5 No. Conn. 3 400 DIRECTIONAL COUPLER SURFACE MOUNT MODEL: KDS-20-225 225 - 400 MHz OPTIMIZED BANDWIDTH Directivity (dB) -10 -20 -30 -40 -50 225 250 275 300 325 350 375 400 350 375 400 Frequency (MHz) 0 Mainline loss (dB) -0.2 -0.4 -0.6 -0.8 -1 -1.2 225 250 275 300 325 Frequency (MHz) Copyright © Synergy Microwave Corporation 201 McLean Boulevard • Paterson, New Jersey 07504 • Tel: (973) 881-8800 • Fax: (973) 881-8361 E-Mail: [email protected] • World Wide Web: http://www.synergymwave.com PERFORMANCE PLOTS 0 DIRECTIONAL COUPLER SURFACE MOUNT MODEL: KDS-20-225 225 - 400 MHz OPTIMIZED BANDWIDTH -5 Return Loss (dB) -10 -15 -20 -25 -30 -35 225 250 275 300 325 Frequency (MHz) Input Output Coupled Copyright © Synergy Microwave Corporation 201 McLean Boulevard • Paterson, New Jersey 07504 • Tel: (973) 881-8800 • Fax: (973) 881-8361 E-Mail: [email protected] • World Wide Web: http://www.synergymwave.com 350 375 400 PERFORMANCE PLOTS 0