Token Ring Transceiver Module
EPT7076
E L E C T R O N I C S I N C .
• Optimized for voltage source driving into 150 ohms •
• Enhanced Common Mode performance over UTP •
• Robust construction allows for solder reflow processes •
• Complies with or exceeds IEEE 802.5 Requirements •
Electrical Parameters @ 25° C
Impedance
(Ω)
[Xmit/Rcv]
Insertion Loss
Return Loss
(dB Min.)
Common Mode Rejection
Crosstalk
(dB Min.)
(dB)
(dB Min.)
1-30
MHz
Chip Side
1-16
MHz
32
MHz
36
MHz
1-6
MHz
6-17
MHz
17-25
MHz
1-30
MHz
30-100
MHz
100-200
MHz
200-300
MHz
44
MHz
150
Max.
Min. Max. Min. Max. Min. Max.
Cable Side Xmit Rcv Xmit Rcv Xmit Rcv
Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv
Xmit Rcv
Xmit Rcv
100
-.8 -.5
-7
-1 -25 -3 -30 -3 -18 -23 -12 -20
-8 -10 -50 -40 -35 -35 -30 -30 -20 -20
12 TPHB
-38
Schematic
20 TXOUT
TX1+ 9
100 Ω
150Ω
TXCT 11
TX1- 10
FIN 1
4 FOUT
5 FOUT
19 TXOUTL
13 TPHA
15 RPHB
18 RXIN
LPF
150Ω
150Ω
FINL 2
RX0+ 6
RXCT 8
FGND 3
100 Ω
150Ω
17 RXINL
14 RPHA
RX0- 7
Package
A
Dimensions
(Inches)
Dim. Min. Max. Nom.
(Millimeters)
B
Min. Max. Nom.
A
B
C
D
E
F
G
H
I
1.090 1.110
27.69 28.19
.260
.380
.950
.010
.050
.135
.016
.008
.075
.130
.100
.280
.400
Typ.
.030
Typ.
Typ.
.022
.012
Typ.
.150
Typ.
6.60
7.11
Pin 1 I.D.
9.65 10.16
24.13 Typ.
PCA
EPT7076
Date Code
.254
1.27
3.43
.406
.203
1.91
3.30
2.54
.762
Typ.
Typ.
.559
.305
Typ.
3.81
Typ.
E
C
J
J
L
I
K
F
K
L
G
H
D
CST7076a Rev.B 4/1/98
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.