Token Ring Front End Filter Module
EPT7068G
E L E C T R O N I C S I N C .
• Optimized for 150Ω Voltage Source Drivers •
• Enhanced Common Mode Rejection Capability •
• Low Profile, Single Channel Module •
• Complies with or exceeds IEEE 802.5 Requirements •
Electrical Parameters @ 25° C
Impedance
[Xmit/Rcv]
Insertion Loss
Return Loss
(dB Min.)
Common Mode Rejection
(dB)
(dB Min.)
32
Media Side
1-16
MHz (Max.)
36
1-6
MHz
6-17
MHz
17-25
MHz
1-30
MHz
30-100
MHz
100-200
MHz
200-300
MHz
44
MHz (Min.)
150
MHz (Min.)
MHz (Min.)
Cable Side
150/100
-.8
-7
-18
-30
-18
-12
-8
-40
-20
-15
-10
Schematic
14
A1-150
7
12
13
XMT+ 2
150 Ω
XMT- 3
A3-COM
A2-100
Filter
10
B2-100
11
B3-COM
8
GND A
GND
4
6
9
B1-150
Pins 1 & 5 are not connected.
Package
Dimensions
A
(Inches)
Dim. Min. Max. Nom.
(millimeters)
Min. Max. Nom.
N
J
A
B
C
D
E
F
G
H
I
.780
.510
.090
.595
.003
.097
.660
.017
.008
.090
0°
.800 .790
.530 .520
.100 .095
.605 .600
.010 .005
.103 .100
.680 .670
.022 .020
.013 .011
.100 .095
19.81 20.32 20.07
12.95 13.46 13.21
Pin 1
I.D.
PCA
Pad
P
2.29
2.54
2.41
EPT7068G
Date Code
Q
B
E
Layout
15.11 15.37 15.24
.076
2.46
.254
2.62
.127
2.54
16.76 17.27 17.02
.432
.203
2.29
0°
.559
.330
2.54
8°
.508
2.79
2.41
4°
1.02
.762
2.54
2.16
17.78
M
D
J
K
L
M
N
P
Q
8°
4°
K
C
.025
.045 .040
.030
.635
1.14
.100
I
L
.085
.700
G
H
F
CST7068Ga Rev. 1 7/7/98
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
Product performance is limited to specified parameters. Data is subject to change without prior notice.