EPT7079GM Datasheet, PDF (1/1 Pages) PCA ELECTRONICS INC. – Miniature Token Ring Transceiver Module

ELECTRONICS INC.
Miniature Token Ring Transceiver Module
EPT7079GM
• Optimized for 120Ω •
• Recommended for UTP or STP Transmission •
• Complies with or exceeds IEEE 802.5 Requirements •
Electrical Parameters @ 25° C
Impedance
(Ω)
[Xmit/Rcv]
Insertion Loss
(dB)
Return Loss
(dB Min.)
Common Mode Rejection
(dB Min.)
Chip Side 1-16 MHz 24MHz
120
Max.
Max.
36 MHz
Min.
44 MHz
Min.
1-6
MHz
6-17
MHz
17-25
MHz
1-24
MHz
130
MHz
300
MHz
Cable Side Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv
120
-.8 -.8 -1.7 -1.7 -10 -10 -20 -20 -16 -16 -16 -16 -8 -8 -45 -45 -25 -25 -20 -20
Schematic
Transmit
Receive
Crosstalk
(dB Min.)
1-16
MHz
24
MHz
-50
-40
1
3
5
Filter
4
2
16
7
10
14
12
Filter
13
8
9
15
Package
A
J
Pin 1
I.D.
PCA
EPT7079GM
B
Q
Date Code
D
N
Pad
Layout
P
M
C
H
E
F
K
L
I
G
Dim.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
P
Q
Dimensions
(Inches)
Min. Max. Nom.
.880 .900 .890
.365 .385 .375
.360 .370 .365
---
--- .700
.010 .020 .015
---
--- .100
.490 .510 .500
.018 .022 .020
.008 .012 .010
---
--- .095
0°
8°
---
.025 .045 .035
---
--- .040
---
--- .100
---
--- .055
---
--- .540
(Millimeters)
Min. Max. Nom.
22.35
9.27
9.14
---
.254
---
12.45
.457
.203
---
0°
.635
---
---
---
---
22.86
9.78
9.39
---
.508
---
12.95
.559
.305
---
8°
1.14
---
---
---
---
22.61
9.52
9.27
17.78
.381
2.54
12.70
.508
.254
2.41
---
.889
1.02
2.54
1.40
13.72
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CST7079GM Rev. B 5/21/99
Product performance is limited to specified parameters. Data is subject to change without prior notice.
TEL: [phone]
FAX: [phone]
http://www.pca.com