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參數(shù)資料
| 型號(hào)： | HTR6545 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | SFF TRANSCEIVER |
| 中文描述： | 準(zhǔn)系統(tǒng)收發(fā)器 |
| 文件頁(yè)數(shù)： | 4/10頁(yè) |
| 文件大小： | 284K |
| 代理商： | HTR6545 |
Page 3 of 9
5. Optical and Electrical Characteristics of Receiver Portion
Optical and electrical characteristics of receiver portion are shown in Table 3.
Unless otherwise stated, minimum and maximum values are specified over the
operating ambient temperature, and humidity ranges, DC power supply voltage
range and wavelength range, from beginning to end of life, using a 2
23
-1 pseudo
random bit stream with a 50% duty factor.
Table 3. Receiver Optical and Electrical Characteristics
Parameter
Symbol
Min
Typ
Max
Unit
Optical input Power (Average)
a
P
IN
-18
-
-3
dBm
Signal Detect Threshold:
Decreasing Light Input
Increasing Light Input
Hysteresis
DC Power Supply Voltage
SDT
D
SDT
I
SDT
H
Vcc
-28
-
0.5
3.135
-
-
-
-
-18
-18
6
dBm
dBm
dB
V
3.465
DC Power Supply Current
Icc
-
-
80
mA
Data Output Voltage:
b
Output V
Diff’l Output Swing
Output Offset V
Diff’l Output Impedance
Output Transition Time
c
V
OA
, V
OB
V
OD SWING
V
C O
V
OD
t
o
V
CC
-0.5
640
-
85
-
-
800
V
CC
-0.2
100
-
V
CC
1000
-
115
150
V
mV
p-p
V
ohm
ps
Signal Detect Output Voltage:
d
Low
High
V
OL
V
OH
-
Vcc-0.9
-
-
0.4
-
V
V
Signal Detect Response Time:
Decreasing Light Input
Increasing Light Input
a. At a BE R of 1x10
-10
and an extinction ratio of 8.2dB
b. CML compatible, R
L
is 50 ohm to V
CC
.
c. Between 20% and 80% (50% duty cycle)
d. TTL compatible.
SDRT
D
SDRT
I
-
-
-
-
300
100
us
us
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