EPT7020 Datasheet, PDF (1/1 Pages) PCA ELECTRONICS INC. – Euro-Optimized Token Ring 16 Pin SMD Line Transceiver Module

Euro-Optimized Token Ring 16 Pin SMD Line Transceiver Module
Electrical Specifications @ 25°C
PCA Part Number
EPT7020
Characteristic Impedance Supports both STP and UTP Transmission
Insertion Loss 12 KHz
16 MHz
24 MHz
32 MHz Return Loss
-3.0 dBMax. -0.8 dB Max. -1.7 dB Max. -7.0 dB Min.
1-5 MHz
-20 dB Min.
10-16 MHz
-15 dB Min.
24 MHz
-8 dB Min.
Common to Common 100 KHz 20 MHz 200 MHz Common to Differential 100 KHz
10 MHz 100 MHz
Mode Rejection
-65 dB Min. -30 dB Min. -20 dB Min. ^Rejection
-70 dB Min. -55 dB Min. -25 dB Min.
Block Diagram for Transmit Interface Unit
1 DroutA
3 DroutB
Signal Isolation
Matching Transformer
DC Bias
4 Phantom A
Phantom Drive
Signal Insertion
2 Vcc
5 Phantom B
Filter
6 Gnd
EMI Filtering
7 Xmit A
8 Xmit B
Block Diagram for Receiver Interface Unit
14 RcvinA
16 RcvinB
Signal Isolation
Matching Transformer
12 PhRetA Gnd
Phantom Drive
Signal Return
13 PhRetB Gnd
Filter
11 Gnd
EMI Filtering
9 Rcv A
10 Rcv B
SMD Package
.480
.510
White Dot Pin #1
PCA
EPT7020G
Date Code
.380
Max.
1.00 Max.
.375
Max.
.020
± .005
.018 x .010
.100
DST7020 12/6/94
Unless Otherwise Noted Dimensions in Inches
Tolerances:
Fractional = ± 1/32
.XX = ± .030 .XXX = ± .010
.100
.055
.480
Pad Layout
.510
.030
.420
.035
± .005
ELECTRONICS INC.
QAF-CSO7 8/10/94
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
TEL: [phone]
FAX: [phone]