PCA EPT7082S Token ring transceiver module Datasheet

Token Ring Transceiver Module
EPT7082S
ELECTRONICS INC.
• Optimized for T1380C60 & T1380C30 •
• Supports UTP & STP Transmission cables •
• Complies with or exceeds IEEE 802.5 Requirements •
Electrical Parameters @
Impedance
(Ω)
[Xmit/Rcv]
Insertion Loss
(dB)
Media Side
150/150
1-16
MHz
32
MHz
Max.
Return Loss
(dB Min.)
36
MHz
1-8
MHz
44
MHz
8-17
MHz
-.8
17-24
MHz
1-30
MHz
30-100
MHz
100-200
MHz
Crosstalk
(dB Min.)
200-300
MHz
1-30
MHz
Min. Max. Min. Max. Min. Max.
Cable Side Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit
150/100
Common Mode Rejection
(dB Min.)
-1
-7
-1
-25
-1
-30
-1
-15
-15
-15
Rcv Xmit
Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit
Rcv
-15
-10
-10
-8
-30
-40
-30
-35
-30
-20
-20
-40
Schemati
9 PH+
14 TS+
15 TU+
TX+ 7
20 RS+
19 RU+
RX+ 1
3
LPF
4
11 TU12 TS-
TX- 8
18 RU17 RS-
RX- 2
10 PH-
Packag
A
N
Dimensio
Dim.
P
Pin 1
I.D.
J
PCA
EPT7082S
Date Code
Suggested
Solder
Pad Layout
Q
B
D
M
E
C
F
A
B
C
D
E
F
G
H
I
J
K
L
M
N
P
Q
H
K
L
(Inches)
Min. Max. Nom.
(Millimeters)
Min.
Max. Nom.
.615
.990
.205
--.010
--1.135
.016
.008
--0°
.025
---------
15.62
25.15
5.21
--.254
--28.83
.406
.203
--0°
.635
---------
.635
1.10
.225
--.015
--1.155
.022
.012
--8°
.045
---------
.625
1.00
.215
.450
.013
.050
1.145
.020
.010
.088
--.035
.025
.050
.085
1.185
16.13
27.94
5.72
--.381
--29.34
.559
.304
--8°
1.14
---------
15.87
25.40
5.46
11.43
.330
1.27
29.08
.508
.254
2.22
--.889
.635
1.27
2.16
30.10
I
G
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CST7082Sa
Rev. B1
1/19/99
Product performance is limited to specific parameters. Data subject to change without prior notice.
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
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