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| 4/16 Mbps Token Ring 24 Pin Module for Transmit and Receive Electrical Specifications @ 25C PCA Part Number Characteristic Impedance EPT7002 Supports both STP and UTP Transmission Return Loss 1-5 MHz 10-16 MHz -20 dB Min. -15 dB Min. 24 MHz -8 dB Min. 24 MHz Insertion Loss 12 KHz 16 MHz 32 MHz -3.0 dBMax. -0.8 dB Max. -1.7 dB Max. -7.0 dB Min. Common to Common 100 KHz 20 MHz 200 MHz Mode Rejection -65 dB Min. -30 dB Min. -20 dB Min. Common to Differential 100 KHz Rejection -70 dB Min. 10 MHz 100 MHz -55 dB Min. -25 dB Min. Block Diagram for Transmit Interface Unit 5 Phantom A 4 1 Signal Isolation Matching Transformer 3 Vcc 2 Phantom Drive Signal Insertion 6 Phantom B Filter 20 Gnd 21 B 22 EMI Filtering 24 (6) 23 (3) 100 UTP Block Diagram for Receiver Interface Unit 7 Gnd 10 9 Signal Isolation Matching Transformer 11 Load 12 Phantom Drive Signal Return 8 Gnd Filter 17 Gnd 150 STP 15 G 16 R EMI Filtering 13 (5) 14 (4) 100 UTP SMD Package White Dot Pin 1 PCA EPT7002 Date Code .585 Max. Leads : .018 Typ. x .008/.012 1.30 Max. .350 Max. .020 Typ. .125 Min. .100 Typ. .635 Typ. DST7020 12/6/94 QAF-CSO7 8/10/94 Unless Otherwise Noted Dimensions in Inches Tolerances: Fractional = 1/32 .XX = .030 .XXX = .010 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 ELECTRONICS INC. TEL: (818) 892-0761 FAX: (818) 894-5791 WEB: http://www.pcainc. com |
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