EPT7075

Token Ring Transceiver Module ELECTRONICS INC. EPT7075 • Designed for Pericom PIC 3020 • [Also recommecnded for PIC 3000A] • Optimized for 120Ω Cable Operations • • Enhanced Common Mode Rejection Capability • • Complies with or exceeds IEEE 802.5 Requirements • Electrical Parameters @ 25° C Impedance [Xmit/Rcv] Chip Side 400/120 Cable Side 120 1-16 MHz Xmit -.6 Insertion Loss (dB Max.) 32 MHz Rcv -7 36 MHz Xmit -20 1-6 MHz Rcv -15 Return Loss (dB Min.) 6-17 MHz Xmit Rcv -12 -15 17-25 MHz Xmit -8 Rcv -10 1-30 MHz Xmit -65 Rcv -40 Common Mode Rejection (dB Min.) 30-100 MHz Xmit Rcv -30 -30 100-200 MHz Xmit -30 Rcv -30 200-300 MHz Xmit -30 Rcv -30 Crosstalk (dB Min.) 1-30 MHz Rcv Xmit -1 -7 Rcv Xmit -20 -18 -35 Schematic 3 TX1+ 6 400Ω TXCT 5 TX1- 7 4 RX0+ 1 120Ω RX0- 2 13 12 1:1 LPF 17 RX1+ 120Ω 18 RX111 10 15 TXOLPF 16 TXO+ 120Ω Package A B Pin 1 I.D. Dim. A B C D E F G H I J Dimensions (Inches) Min. Max. Nom. 1.890 .240 .510 1.300 .010 .125 .100 .015 .008 .035 1.900 .250 .520 Typ. .030 .150 Typ. .021 .012 Typ. (Millimeters) Min. Max. Nom. 37.85 6.73 11.43 33.02 .254 3.18 2.54 .381 .203 3.43 38.10 6.99 11.68 Typ. .381 3.56 Typ. .533 .305 .356 C PCA EPT7075 Date Code E H D G F I J PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 CST7075a Rev. 10/17/96 Product performance is limited to specified parameters. Data is subject to change without prior notice. TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com