ELECTRONICS INC.
10 Base-T Interface Module with
Enhanced Common Mode Attenuation
EPA2852
• 10 Base-T Filter Module •
• Available in SMD, DIP and DIL Packages •
• Complies with or exceeds IEEE 802.3, 10 Base-T Requirements •
Electrical Parameters @ 25° C
Cut-off
Frequency
(MHz)
± 1.0
MHz
Insertion
Loss
(dB Max.)
1-10
MHz
Xmit
16.5
-1.5
Rcv
-1.0
•
62Ω
Return
Loss
(dB Min.)
5-10
MHz
Xmit
-15
Rcv
-15
@ 20
MHz
Xmit
-7
Rcv
-5
Attenuation
(dB Min.)
Common Mode
Rejection
(dB Min.)
@ 40
MHz
Xmit
-33
Rcv
-26
Xmit
-30
@1-100
MHz
Rcv
-30
-35
Crosstalk
(dB Min.)
@ 25
MHz
Xmit
-17
Rcv
-11
@ 30
MHz
Xmit
-28
Rcv
-16
@ 1-10
MHz
Isolation
: meets or exceeds 802.3 IEEE Requirements •
Characteristic Filter Impedance
: 100
Ω
•
• Referenced to the Output Level Fundamental Frequency @ 5 MHz •
1
Transit Channel
261Ω
Schematic
8
2.2MΩ
2.4KΩ
16
49.9Ω
15
49.9Ω
14
Receive Channel
9
2
LPF
7
2.2MΩ
LPF
12
10
11
3
62Ω
6
4
5
261Ω
Dimensions
Package
Dim.
A
Pin 1
I.D.
PCA
EPA2852
Date Code
(Inches)
Min. Max. Nom.
.890
.390
.415
.700
.020
.100
.290
.016
.008
.100
.120
.910
.400
.435
Typ.
.030
Typ.
.305
.022
.012
Typ.
.140
(Millimeters)
Min.
Max. Nom.
22.61
10.54
8.38
17.78
.508
2.54
7.37
.406
.203
2.54
3.05
23.11
11.05
8.89
Typ.
.762
Typ.
7.75
.559
3.05
Typ.
3.56
B
C
K
H
J
D
F
E
I
G
A
B
C
D
E
F
G
H
I
(J)
K
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CSA2852a Rev. A1
5/21/97
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pcainc.com
PCA [ PCA ELECTRONICS INC. ]
