EPT7081 Datasheet, PDF (1/1 Pages) PCA ELECTRONICS INC. – Token Ring Transceiver

Token Ring Transceiver
PCA Part Number(s)
EPT7081
Electrical Specifications @ 25°C
Parameter
Frequency
Specification
Insertion Loss
Attenuation
8 MHz
10 MHz
Return Loss
24 MHz
1-17 MHz
Common Mode Rejection
17-25 MHz
5 MHz
20 MHz
Crosstalk
Impedance
70 MHz
1-32 MHz
-50 (Between Channels)
Notes : _{1. Optimized for T1380C60 & T1380C30.}
2. Supports UTP & STP Transmission cables.
3. IEEE 802.5 compatible.
Schematic
Xmit
10 TX+
8 TX-
Filter
5 Ph+
6 Ph-
16 CHGND
1 RX+
2 RX-
Rcv
3 Ph+
4 Ph-
Package
16 CHGND
TOP
PCA
EPT7081
Date Code
1.115 Max.
.600 Max
.350
Max.
XMIT
-0.5
-1.1
-1.9
-14
-8
-40
-40
-30
RCV
-0.5
-0.7
-1.3
-20
-10
-40
-40
-30
Unit
dB Max.
dB Min.
dB Min.
dB Min.
dB Min.
dB Min.
dB Min.
dB Min.
dB Min.
Ω
13 Ts+
12 Tu+
15 Tu-
14 Ts-
19 Rs+
20 Ru+
17 Ru-
18 Rs-
.020 x .010
.010
.100 .150
Typ.
.500
Max.
DST7081 Rev.- 7/18/96
Unless Otherwise Noted
Dimensions in Inches
Tolerances: Fractional = ± 1/32
.XX = ± .030 .XXX = ± .010
ELECTRONICS INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
QAF-CSO7 8/10/94
TEL: [phone]
FAX: [phone]
WEB: http://www.pcainc. com