CST7090a Rev. 1 2/18/97
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
1
MHz
5
MHz
20
MHz
70
MHz
100
MHz
200
MHz
Insertion Loss
Common Mode Rejection
(dB Min.)
Return Loss
(dB Min.)
1-4
MHz
100
KHz
-65
1-6
MHz
6-17
MHz
17-25
MHz
-.5
150
-.8
-1
-1.7
-7
-25
Electrical Parameters @ 25 C
Token Ring Transmitter Module
Optimized for Texas Instrument's TI38054
Supports STP Transmission
Complies with or exceeds IEEE 802.5 Requirements
Dimensions
A
B
C
D
E
F
G
H
I
J
K
Dim.
.980
.440
.340
.700
.020
.100
.500
.018
.010
.150
.120
Min.
1.000
.470
.360
Typ.
Typ.
Typ.
.525
.024
Typ.
Typ.
.150
Max.
Nom.
(Inches)
(Millimeters)
24.89
11.18
8.64
17.78
.508
2.54
12.70
.457
.254
3.81
3.05
Min.
25.40
11.94
9.14
Typ.
Typ.
Typ.
13.34
.609
Typ.
Typ.
3.81
Max.
Nom.
Package
EPT7090
Impedance
(
)
Cable Side
-30
-25
E L E C T R O N I C S I N C .
600
Chip Side
8
MHz
16
MHz
24
MHz
32
MHz
36
MHz
44
MHz
80
MHz
-14
( dB Max. )
( dB Min. )
-12
-8
-45
-30
-30
-15
-15
-20
Schematic
Pins 4 , 5 , 12 , 13 are Not Connected
Xmit
Filter
CMF
9 Tu+
8 Tu-
3 , 14
10
7
Impedance
Matching
Network
Tx+ 16
Tx- 1
Ph- 6
Ph+ 11
15
2
Pin 1
I.D.
PCA
EPT7090
Date Code
B
A
J
D
K
C
F
H
E
G
I
Product performance is limited to specified parameters. Data is subject to change without prior notice.
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