參數(shù)資料
型號(hào): VSC7125
廠商: Vitesse Semiconductor Corporation.
英文描述: Rotary Switch; Contact Current Max:1.5A; No. of Poles:4; No. of Switch Positions:11; Indexing:30 ; No. of Decks:4; Switch Terminals:Solder Lug; Circuitry:SPDT; Mounting Type:Panel; Switch Features:30 degrees Indexing RoHS Compliant: Yes
中文描述: 1.0625 Gbits / sec的光纖通道收發(fā)器
文件頁(yè)數(shù): 9/16頁(yè)
文件大小: 123K
代理商: VSC7125
VITESSE
SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 805/388-3700 FAX: 805/987-5896
Page 9
4/23/98
VITESSE
Data Sheet
VSC7125
1.0625 Gbits/sec Fibre
Channel Transceiver
G52121-0, Rev. 4.1
Figure 8: Transmitter Jitter Measurement Method
Figure 9: Input Structures
BERT
Pattern
Generator
DATA
DATA
Digitizing
Scope
Trigger
VSC7125
TX
REFCLK
T0:9
-K28.7 -K28.7
0011111000 0011111000
TX+
TX-
1.0625 Gb/s
Single-Ended Measurement
106.25MHz
Random jitter (RJ) measurements performed according to Fibre Channel 4.3 Annex A, Test Methods, Section A.4.4. Measure
standard deviation of all 50% crossing points. Peak to peak RJ is + 7 sigma of distribution.
Deterministic jitter (DJ) measurements performed according to Fibre Channel 4.3 Annex A, Test Methods, Section A.4.3.
Measure time of all the 50% points of all ten transitions. DJ is the range of the timing variations.
1.0625 GHz Clock
-K28.5 +K28.5
0011111010 1100000101
RJ
DJ
INPUT
INPUT
High Speed Differential Input
(RX+/RX-)
B
V
DD
GND
+3.3 V
A
REFCLK and TTL Inputs
INPUT
+3.3 V
Current
Limit
GND
V
DD
R
R
All Resistors
3.3K
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