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HFBR-24E2K PDF预览

HFBR-24E2K

更新时间： 2023-01-03 08:39:22
品牌 Logo 应用领域
安捷伦 - AGILENT /
页数 文件大小 规格书
30页 389K
描述
Receiver, 175Mbps, SC Connector, DIP, Panel Mount

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HFBR-24E2K 数据手册

 浏览型号HFBR-24E2K的Datasheet PDF文件第22页浏览型号HFBR-24E2K的Datasheet PDF文件第23页浏览型号HFBR-24E2K的Datasheet PDF文件第24页浏览型号HFBR-24E2K的Datasheet PDF文件第26页浏览型号HFBR-24E2K的Datasheet PDF文件第27页浏览型号HFBR-24E2K的Datasheet PDF文件第28页 
25  
HFBR-24X6 Low-Cost  
125 MHz Receiver  
Description  
integrated circuit. The HFBR-24X6  
receives an optical signal and  
converts it to an analog voltage.  
The output is a buffered emitter-  
follower. Because the signal  
receiver from noisy host systems.  
Refer to AN 1038, 1065, or AB 78  
for details.  
The HFBR-24X6 fiber optic  
receiver is designed to operate  
with the Agilent HFBR-14XX  
fiber optic transmitters and 50/  
125 µm, 62.5/125 µm, 100/140  
amplitude from the HFBR-24X6  
receiver is much larger than from a  
simple PIN photodiode, it is less  
susceptible to EMI, especially at  
high signaling rates. For very noisy  
environments, the conductive or  
metal port option is recommended.  
A receiver dynamic range of 23 dB  
over temperature is achievable  
Housed Product  
6
V
CC  
ANALOG  
SIGNAL  
2
®
µm and 200 µm HCS fiber optic  
3 & 7  
cable. Consistent coupling into  
the receiver is assured by the  
lensed optical system (Figure 1).  
Response does not vary with fiber  
size for core diameters of 100 µm  
or less.  
V
EE  
4
3
2
1
5
6
7
8
-9  
(assuming 10 BER).  
BOTTOM VIEW  
PIN NO. 1  
INDICATOR  
The frequency response is typically  
dc to 125 MHz. Although the  
HFBR-24X6 is an analog receiver,  
it is compatible with digital  
The receiver output is an analog  
signal which allows follow-on  
circuitry to be optimized for a  
variety of distance/data rate  
requirements. Low-cost external  
components can be used to convert  
the analog output to logic  
PIN FUNCTION  
1†  
2
N.C.  
SIGNAL  
3*  
4†  
5†  
6
7*  
8†  
V
N.C.  
N.C.  
V
V
N.C.  
EE  
systems. Please refer to  
CC  
EE  
Application Bulletin 78 for simple  
and inexpensive circuits that  
operate at 155 MBd or higher.  
compatible signal levels for various  
data formats and data rates up to  
175 MBd. This distance/data rate  
tradeoff results in increased optical  
power budget at lower data rates  
which can be used for additional  
distance or splices.  
* PINS 3 AND 7 ARE ELECTRICALLY  
CONNECTED TO THE HEADER.  
The recommended ac coupled  
receiver circuit is shown in Figure  
12. It is essential that a 10 ohm  
resistor be connected between pin  
6 and the power supply, and a 0.1  
µF ceramic bypass capacitor be  
connected between the power  
supply and ground. In addition, pin  
6 should be filtered to protect the  
† PINS 1, 4, 5, AND 8 ARE ISOLATED FROM  
THE INTERNAL CIRCUITRY, BUT ARE  
ELECTRICALLY CONNECTED TO EACH OTHER.  
Unhoused Product  
PIN FUNCTION  
The HFBR-24X6 receiver contains  
a PIN photodiode and low noise  
transimpedance pre-amplifier  
1
2*  
3
SIGNAL  
V
V
V
EE  
CC  
EE  
4*  
6
POSITIVE  
SUPPLY  
BIAS & FILTER  
CIRCUITS  
V
CC  
300 pF  
2
ANALOG  
SIGNAL  
V
OUT  
5.0  
mA  
3, 7  
NEGATIVE  
SUPPLY  
V
EE  
Figure 11. Simplified Schematic Diagram.  
CAUTION: The small junction sizes inherent to the design of these components increase the components’  
susceptibility to damage from electrostatic discharge (ESD). It is advised that normal static precautions be  
taken in handling and assembly of these components to prevent damage and/or degradation which may be  
induced by ESD.  
1...22232425262728...30

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