PARAMETER UNITS Turns Ratio 1:1 + 1% Primary Impedance with 100 Ω on Secondary 135 Ω Longitudinal Balance 200 - 1000 Hz 15 kHz 60 min. 40 min. dB dB Primary DC Resistance 19.5 max. Ω Secondary DC Resistance 19.5 max. Ω Frequency Response 100Hz - 112kHz + 1.0 dB Insertion Loss @ 10kHz 1.25 + 0.25 dB Isolation (HI-POT) 1500 VRMS Inductance (tested @ 1 kHz & 1VRMS) 200 min. mH Leakage Inductance (tested @ 10 kHz & 1VRMS) 43 max. µH Interwinding Capacitance (tested @ 10 kHz & 1VRMS) 65 max. pF DDS Application Pulse Transformer Part Number T-710 5-Pin Version T-710-5 Designed for DDS applications Compatible with Level One LXT400 & LXT456 transceiver ICs Primary DC None Return Loss @ 100Hz to 100kHz 15 min. Low Profile "Touch Tone" design Custom versions of this transformer are available. A Surface Mount version of this transformer is available dB Schematic Diagram Physical Dimensions in inches (mm) 5-Pin Part Number T-710-5: per Drawing Below Pin #2 is removed PRI SEC Notch on bobbin indicates pin #1 05/03/96 Rhombus Industries Inc. Transformers & Magnetic Products www.rhombus-ind.com 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971