EPT7090 Datasheet, PDF (1/1 Pages) PCA ELECTRONICS INC. – Token Ring Transmitter Module

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