參數(shù)資料
型號： HFBR1412HB
元件分類： DC/DC變換器
英文描述： RO Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 15V; Output Voltage (Vdc): 12V; Power: 1W; Industry Standard Pinout; 1kVDC & 2kVDC Isolation; UL94V-0 Package Material; Optional Continuous Short Circuit Protected; Fully Encapsulated; Custom Solutions Available; Efficiency to 85%
中文描述： 低成本，微型光纖器件與ST，形狀記憶合金，SC和FC端口
文件頁數(shù)： 11/31頁
文件大小： 700K
代理商： HFBR1412HB
56
5 MBd Logic Link Design
If resistor R
1
in Figure 2 is
70.4
, a forward current I
F
of
48 mA is applied to the HFBR-
14X4 LED transmitter. With I
F
=
48 mA the HFBR-14X4/24X2
logic link is guaranteed to work
with 62.5/125
μ
m fiber optic
cable over the entire range of 0
to 1750 meters at a data rate of
dc to 5 MBd, with arbitrary data
format and pulse width distortion
typically less than 25%. By
setting R
1
= 115
, the transmit-
ter can be driven with I
F
= 30 mA,
if it is desired to economize on
power or achieve lower pulse
distortion.
The following example will illus-
trate the technique for selecting
the appropriate value of I
F
and R
1
.
Maximum distance required
= 400 meters. From Figure 3 the
drive current should be 15 mA.
From the transmitter data
V
F
= 1.5 V (max.) at I
F
= 15 mA
as shown in Figure 9.
CC
- V
F
I
F
5 V - 1.5 V
15 mA
R
1
=V
R
1
= 233
The curves in Figures 3, 4, and 5
are constructed assuming no in-
line splice or any additional
system loss. Should the link
consists of any in-line splices,
these curves can still be used to
calculate link limits provided they
are shifted by the additional
system loss expressed in dB. For
example, Figure 3 indicates that
with 48 mA of transmitter drive
current, a 1.75 km link distance
is achievable with 62.5/125
μ
m
fiber which has a maximum
attenuation of 4 dB/km. With
2 dB of additional system loss, a
1.25 km link distance is still
achievable.
Figure 2. Typical Circuit Configuration.
相關PDF資料
PDF描述
HFBR1412K Low Cost, Miniature Fiber Optic Components with ST, SMA, SC and FC Ports
HFBR1406HA Circular Connector; MIL SPEC:MIL-C-26482, Series I, Crimp; Body Material:Aluminum; Series:PT06; No. of Contacts:16; Connector Shell Size:20; Connecting Termination:Crimp; Circular Shell Style:Straight Plug; Body Style:Straight
HFBR2406HA Circular Connector; No. of Contacts:16; Series:; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:20; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:20-16
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HFBR1426HB CRYSTAL 4.9152 MHZ SMT 18PF
相關代理商/技術參數(shù)
參數(shù)描述
HFBR1412K 制造商:AGILENT 制造商全稱:AGILENT 功能描述:Low Cost, Miniature Fiber Optic Components with ST, SMA, SC and FC Ports
HFBR1412M 制造商:AGILENT 制造商全稱:AGILENT 功能描述:Low Cost, Miniature Fiber Optic Components with ST, SMA, SC and FC Ports
HFBR-1412M 制造商:AGILENT 制造商全稱:AGILENT 功能描述:Components is Designed to Provide cost effective, High performance fiber optic communication links
HFBR-1412-MT 制造商:Rochester Electronics LLC 功能描述: 制造商:Avago Technologies 功能描述:
HFBR-1412PTZ 制造商:Avago Technologies 功能描述:LOW COST STD PWR TX FO STT ESD+ - Bulk 制造商:Avago Technologies 功能描述:XMITTER FIBER OPTIC 制造商:Avago Technologies 功能描述:Fiber Optic Transmitters, Receivers, Transceivers LOW COST STD PWR TX FO STT ESD+ 制造商:Avago Technologies 功能描述:Low Cost Std Pwr Tx FO STT ESD+
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