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7820R-085-FA-115 Datasheet(PDF) 1 Page - Emcore Corporation |
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7820R-085-FA-115 Datasheet(HTML) 1 Page - Emcore Corporation |
1 / 6 page DATASHEET | MARCH 2012 FIBER OPTICS | 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. Applications Video Signal Distribution in RFoG and FTTx nodes Video Overlay in Passive Optical Networks (PON). Features 5 MHz-200 MHz Bandwidth Supports the Return Path Application. Excellent RF Frequency, High RF Output. Low Noise (<1.0 pA/√Hz typ.) Low Power Dissipation (0.5 W max). RoHS Compliant Internal Prorietary Impedance Match Circuitry (75Ω) Robust Small Package with Single-Mode Fiber Pigtail and Connector Options Wide Operating Case Temp Range, -40O to + 85OC The 7820R RFoG return path 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 return path, and delivers the corresponding RF electrical output. The 7820R exhibits excellent noise performance with values well above standards over the entire 200MHz bandwidth and case temperature specifications (-40°C to +85°C). Moreover, the proprietary impedance-match circuitry between the photodetector and RF amplification stages resolves a number of OEM design obstacles. The device’s noise performance is typically less than 0.75pA/√Hz for the 85MHz version and 1pA/√Hz for the 200MHz version. The 7820R RFoG return path optical receiver can be used in the optical wavelength range from 1260nm – 1620nm applications. The 7820R 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 Limits Frequency Range 5 – 200 MHz Noise 5 – 85MHz Version 5 – 200MHz Version 0.75 pA/√Hz (typ) 1.0 pA/√Hz (typ) DSO (20% OMI/tone) -60 dBc (typ) DTO (20% OMI/tone) -50 dBc (typ) Optical Input Power Up to -10dBm Wavelength 1260 – 1620 nm Power Consumption 0.5 W 7820R Optical Receiver 5-200 MHz RFoG Return Path |
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