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Summary of Contents for Qorvo QPB7432
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Optical to Electrical Receiver User Manual ® Document Overview Keywords: FTTH xPON Video Receiver, QPB7432, Optical Node, Low Noise TIA Abstract: This document explains how to use and test the QPB7432 Optical Receiver Evaluation board. Revision History: Rev 1.0 Initial Release Ordering Information Part Number...
® Introduction The QPB7432 is a 47 – 1218 MHz High Gain, Low EIN, Single ended RF Optical Receiver for FTTH PON applications. It is a technology leader with an optical input range from -18 dBm to 0 dBm. The QPB7432, with recommended external control circuitry, provides automatic gain control to maintain a constant +14 dBmV to +20 dBmV / channel output to insure...
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QPB7432 Optical to Electrical Receiver User Manual ® EVB Block Diagram QPB7432 OPTICAL RECEIVER BLOCK DIAGRAM 6 Pin Header PD Bias 5V/2mA Circuit 5V/110mA 5V/55mA RF OUT RFSA3043 Discrete Variable Equalizer+ Attenuator Match QPB7432 QPB7420 Feedback Feedback Circuit Circuit Figure 2 Optical Receiver User Manual –...
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QPB7432 Optical to Electrical Receiver User Manual ® Know Your EVB Figure 3 Optical Receiver User Manual – Rev 02, Aug 12, 2018 - 4 of 9 - www.qorvo.com...
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DC Power Supply DC Power Supply Optical Attenuator Network Analyzer The DUT QPB7432 Optical Receiver + RFSA3043 Variable Attenuator + QPB7420 RF Amp Reference Receiver Only for Calibration Figure 4 Optical Receiver User Manual – Rev 02, Aug 12, 2018 - 5 of 9 - www.qorvo.com...
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Noise Measurement Set-up DC Power Supply DC Power Supply Noise Figure Meter The DUT QPB7432 Optical Receiver + RFSA3043 Variable Attenuator + QPB7420 RF Amp Noise Source Used only for Calibration Figure 5 Optical Receiver User Manual – Rev 02, Aug 12, 2018 - 6 of 9 - www.qorvo.com...
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QPB7432 Optical to Electrical Receiver User Manual ® Test set-up for 5V operation 1. Clean the optical connector with an Optical Fiber Connector Cleaner* and connect the input from the optical source/Optical attenuator. 2. Connect the RF out to Spectrum Analyzer or Network Analyzer as needed 3.
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QPB7432 Optical to Electrical Receiver User Manual ® Optical to Electrical Receiver Application Specifications Condition Parameter Unit Supply Current (I Steady state operation Frequency Range 1218 Optical Gain At 550MHz. O/E gain is defined by 20*log (Zt/75) 44.5 Gain Flatness ±1.5...
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