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參數(shù)資料
| 型號： | EPT7045GM |
| 廠商： | PCA Electronics Inc. |
| 英文描述： | Token Ring Transceiver Module |
| 中文描述： | 令牌環(huán)收發(fā)模塊 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 71K |
| 代理商： | EPT7045GM |
Insertion Loss
(dB Max.)
Common Mode Rejection
(dB Min.)
Return Loss
(dB Min.)
1-16
MHz
1-30
MHz
-15
-15
30-100
MHz
-10
100
MHz
-70
Crosstalk
(dB Min.)
-35
1-30
MHz
200-300
MHz
32
MHz
36
MHz
1-6
MHz
6-17
MHz
17-25
MHz
Xmit
Rcv Xmit
Rcv Xmit
Rcv Xmit Rcv Xmit Rcv Xmit
Rcv
-35
-45
-.8
Xmit Rcv
-.8
-7
Xmit Rcv
-1
-20
-25
Xmit Rcv
-1
-20
-15
-70
-30
-45
Electrical Parameters @ 25
°
C
Token Ring Transceiver Module
CST7045GMa Rev. - 10/5/96
Optimized for Texas Instrument’s TMS38054
Supports both UTP and STP Transmission
Overvoltage Protection Circuit
Complies with or exceeds IEEE 802.5 Requirements
Schematic
Dimensions
A
B
C
D
E
F
G
H
I
J
K
L
M
N
P
Q
Dim.
1.290
.575
.300
1.110
.003
.100
.780
.015
.008
.090
0
°
.025
Min.
1.310
.585
.320
Typ.
.020
Typ.
.800
.021
.012
Typ.
8
°
.045
Max.
.030
.100
.092
.800
Nom.
(Inches)
(Millimeters)
Min.
Max.
32.77
14.60
7.62
28.19
0.076
2.54
19.81
.381
.203
2.28
0
°
.635
33.27
14.86
8.13
Typ.
.508
Typ.
20.32
.533
.305
Typ.
8
°
1.14
.762
2.54
2.34
20.32
Nom.
Package
EPT7045GM
150/100
Cable Side
Xmit
Rcv
-20
-20
44
MHz
-35
Xmit Rcv
-1
E L E C T R O N I C S I N C .
Tx+ 12
Vcc 2 11
Tx- 10
Gnd 2 9
Ph- 13
Ph+ 14
17 Tu-
18 Tu+
19 Ch Gnd
16 Ts-
Xmit
Filter
15 Ts+
.
μ
F
Gnd 1 3
Rx+ 2
Rx- 4
PhRet B 5
PhRet A 6
Vcc 1 1
21 Ru+
20 Ru-
23 Rs-
22 Rs+
CMF
.
μ
F
600/150
Chip Side
Impedance
Matching
Network
CMF
Pin 1
I.D.
C
D
E
B
F
L
A
H
P
N
M
Q
G
PCA
EPT7045GM
Date Code
Pad
Layout
J
K
I
TEL: (818) 892-0761
FAX: (818) 894-5791
http://www.pca.com
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
Impedance
[Xmit/Rcv]
Product performance is limited to specified parameters. Data is subject to change without prior notice.
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