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PDF 7820A Data sheet ( Hoja de datos )
| Número de pieza | 7820A | |
| Descripción | CATV Optical Receiver | |
| Fabricantes | EMCORE | |
| Logotipo |  |
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7820A CATV Optical Receiver
1 GHz
DATASHEET | MARCH 2012
Applications
Video Signal Distribution in HFC and
FTTx nodes
Video Overlay in Passive Optical
Networks (PON).
Features
5 Wide 40 MHz – 1002 MHz Bandwidth
Supports as Many as 110 CATV Analog
Channels or a Combination of Analog
and Digital Channels Including HDTV
Broadcast.
Excellent RF Frequency and Distortion
Characteristics for High Linearity.
Low Noise (4.5 pA/√Hz typ.) Low Power
Dissipation (0.75 W max.) as well as
High RF Output.
RoHS Compliant
Internal Prorietary Impedance Match
Circuitry (75Ω)
Robust Small Package with Single-Mode
Fiber Pigtail and Connector Options
Wide Operating Case Temp Range, -30O
to + 85OC
FIBER OPTICS
The 7820A CATV Optical Receiver is a single-mode fiber pigtailed module
featuring a low-noise, impedance-matched broadband photodiode and RF
amplification.
The device receives optical analog and/or digital signals for a range of video
broadcast options, and delivers the corresponding RF electrical output. The wide
bandwidth supports the delivery of up to 110 CATV analog signals or a
combination of analog and digital channels (80/30 for example), including HDTV
broadcast.
The 7820A exhibits excellent distortion performance with values well above
standards over the entire bandwidth and case temperature specifications (40 MHz
– 1002 MHz, -30 °C to +85 °C).
Moreover, the proprietary impedance-match circuitry between the photodetector
and RF amplification stages resolves a number of OEM design obstacles with
very low noise performance value, typically less than 4.5 pA/√Hz.
The 7820A CATV optical receiver can be used in both 1310 nm and 1550 nm
applications being useful at different points of a given network.
The 7820A is compliant with all criteria of the Restriction of the Use of Hazardous
Substances in Electrical and Electronic Equipment (RoHS) guidelines
2002/95/EC.
Performance Highlights
Parameter
Frequency Range
CTB (79ch NTSC)
CSO (79ch NTSC)
Optical Input Power
Wavelength
Power Consumption
Limits
40 – 1002 MHz
-80 dBc (typ)
-68 dBc (typ)
Up to +3dBm
1260 – 1620 nm
0.85 W
| REV 2012.03
Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.
http://www.Datasheet4U.com
1 page  
7820A CATV Optical Receiver
1 GHz
DATASHEET | MARCH 2012
FIBER OPTICS
Pin Definitions
Pin Function
1 GND
2 +5V
3 GND
4 RF OUT
5 GND
6 +12V
7 PD MONITOR
8 GND
| REV 2012.03
Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet 7820A.PDF ] | |
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