25 Mbps ATM Transmit and Receive, UTP Interface PCA Part Number(s) EPA2864 Electrical Specifications @ 25°C Parameter Frequency Specification XMIT RCV Unit Impedance ---- 100 Ω Insertion Loss 0-28 MHz -0.8 32 MHz -7.0 dB Max. dB Min. 44 MHz -30.0 dB Min. 48 MHz -38.0 dB Min. 1-17 MHz -14.0 dB Min. 25 MHz -8.0 500 dB Min. ----1-64 MHz -50.0 dB Min. Return Loss Isolation Commom Mode Rejection Volts Notes : Schematic Isolation XMFR & CMC Choke RXA 15 Filter RX B 16 + - 9 PR1 10 PR2 12 GND Isolation XMFR & CMC Choke TXA 1 Filter TXB 2 7 PT1 8 PT2 5 TGND Surface Mount Package : .1" Pitch 1.000 PCA EPA2864 Date Code .10 .15 .370 .02 .700 .40 .015 Min. .035 .50 DSA2864 9/30/94 Unless Otherwise Noted Dimensions in Inches Tolerances: Fractional = ± 1/32 .XX = ± .030 .XXX = ± .010 .01 QAF-CSO7 7/97 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 ELECTRONICS INC. TEL: (818) 892-0761 FAX: (818) 894-5791 WEB: http://www.pcainc. com Pin Descriptions for EPA2864 Pin #'s Symbol Function / Description 1 TXA Unipolar Transmit Output Data From Driver IC. 2 TXB Unipolar Transmit Output Data From Driver IC. 5 TGND Common return path, transmit side. 7 PT1 Balanced bipolar signal for media connection. (-) 8 PT2 Balanced bipolar signal for media connection. (+) 9 PR1 1/2 of Balanced & Isolated receiver data to the I.C. (+) 10 PR2 1/2 of Balanced & Isolated receiver data to the I.C. (-) 12 AGND Common return path, receive side. 15 RXA Balanced bipolar received data from media connector. (+) 16 RXB Balanced bipolar received data from media connector. (-) Applications for EPA2864 RX+ RX- 15 9 16 10 EPA2864 1 TX+ 7 2 TX- 8 To Dr. Side reference points. Driver I.C. 5 12 Media Interface Module DSA2864-1 9/30/94 Media Conn. QAF-CSO7 7/97 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 ELECTRONICS INC. TEL: (818) 892-0761 FAX: (818) 894-5791 WEB: http://www.pcainc. com