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BPR EVB

User’

s Manual

Balanced Photo Receiver Evaluation Board

Caution

:

The user must read this manual before operating the BPR EVB.

Operations other than those described in this manual may result in personal

injury and damage to the unit.

Ver. 2.1

January 17

th

, 2022

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Содержание BPR EVB

Страница 1: ...Photo Receiver Evaluation Board Caution The user must read this manual before operating the BPR EVB Operations other than those described in this manual may result in personal injury and damage to the...

Страница 2: ...oduced 2 0 3 16 16 PCB Rev 2 Bypass caps are incorporated 2 1 1 17 2022 Logo and Format Update Copyright 2015 by Optilab LLC All rights reserved This document is copyrighted property of Optilab LLC It...

Страница 3: ...t com Table of Contents 1 BPR Configuration 1 1 2 Bandwidth Adjustment 2 1 3 Operation Mode 2 2 Evaluation Board 3 2 1 Device Mounting Procedure 3 2 2 Schematic of Evaluation Board 4 2 3 Default Setti...

Страница 4: ...t Diagram Table 1 BPR Pin Out Configuration Pin 1 5 10 14 Vcc 2 8 to 3 3 V abs max current is 93 mA Pin 2 BWM Bandwidth Adjust Sign Pin 3 BWA Bandwidth Adjust Magnitude Pin 4 OA Output Amplitude Adjus...

Страница 5: ...he user can lower VPD1 and VPD2 to further reduce the overall bandwidth of BPR 1 3 Operation Mode BPR integrates a single differential linear trans impedance variable gain amplifier TIA VGA The TIA of...

Страница 6: ...solution The EVB is mounted on a base plate The base plate can be further mounted to other structures using the four 20 threaded through holes 2 1 Device Mounting Procedure i Place the BPR onto the ev...

Страница 7: ...for operation mode selection OA R3 is used AGC mode for constant output amplitude adjustment GC R1 is used manual gain mode for constant gain setting Test Pins PIN7 and PIN8 are located on the two en...

Страница 8: ...ing and Controls 2 3 1 How to use manual gain control MGC mode To use manual gain control mode leave evaluation board in its default state ensure both JP6 and JP8 are jumped on pin 1 and 2 Adjust the...

Страница 9: ...ndling Connect both RF output ports to the receiver instrument e g CDR circuit oscilloscope etc use a pair of RF cables with GPPO SMPM connector These two RF output ports need AC coupling Check the sp...

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