Graviron Wide Band PD Series O/E Converter User Manual

Graviron Wide Band PD Series O/E Converter

Please read this manual carefully before use

• Model
• SPD-3
• SPD-4

Graviton INC
https://www.graviton.co.jp/index_En.html

Contents of this package
The contents of this package are listed below. Please contact immediately the shop you purchased this product, if there is any missing item s found .

1. O/E converter
2. Power Cable Assembly
3. Auxiliary Power Connector
4. User’s Manual(this manual)

Please keep original packaging, in case of re-shipping.

Introduction

Thank you for purchasing PD Series O/E Converter. PD Series is Optical to Electric signal converter and has the following features.

• SPD-3：500mV/mW SPD-4：300mV/mW （@ 850nm Wave Length, 50/125 GI Fiber）
• Wide Frequency Range

DC～2000MHz Flatness ＋0.5 –3.0[dB electrical] SPD-3
DC～3000MHz Flatness＋0.5 –3.0[dB electrical] SPD-4

• Standard FC optical connector
  Optional SC, F05, SMA, and ST connectors are also available.）

• Standard BNC plug
  Able to connect directly to an oscilloscope, a spectrum analyzer etc.

• Able to get DC power from instruments through included Power Cable Assembly.
  It is not guaranteed that power cable corresponds to all instruments.

• Able to use for instrumentation of lightwave products, optical links or other various applications

Please read this user’s manual carefully and use it appropriately according to this manual, this will make this product useful for the development of lightwave types of equipment, lightwave communication converters or other various applications.

• Do not reproduce or re-publishing a part or all this manual without written permission from Graviton Inc.
• This manual is subject to change without notice.
• Please follow exporting regulations/rules in individual countries when exporting this product to other countries.

Front and rear panel view

1. Power switch
   This switch is for controlling power. Please on/off this switch after connecting the power cable assembly to the power connector(②) also keep this switch off when not in use.

2. Power input connector
   The power can be supplied from a probe power connector equipped with an instrument through the Power Cable Assembly. Or, Alternatively, an external regulated power supply (not included) can be used through the Auxiliary Power Connector. Power supply voltage for PD series is±15[V]. Applying over and/or the wrong polarity may cause permanent damage. Please refer the specification in page 7 for current consumption and page 5 for the detail of the power connection.

3. Optical signal input connector
   Light signal supplied through this FC connector is up to -1[dBm] for SPD-3 and up to +1[dBm] for SPD-4. Please do not apply a 10dBm or higher light signal. It may cause permanent damage.

4. Electrical signal output connector
   50[Ω] input impedance with wide frequency range instruments is suitable to observe the light signals. Recommended to use wider frequency range instruments to withdraw full spec.（DC～2000MHz SPD-3, DC～3000MHz SPD-4）

Set up

1. First of all, connect the O/E converter to the input connector of an instrument. A conversion connector may be required if the instrument has no BNC jack.
2. Confirm the power switch on the O/E converter is off then connect Power Cable Assembly supplied. The other side of the Power Cable can be connected to the instrument if the probe power connector is equipped. Please refer page 6 for connecting the external power supply, if the instrument has no probe power connector.
3. Turn on the power switch.
4. Connect the fiber connector to the O/E converter and adjust the voltage and sweep time of the instrument to observe the light signal. Also make sure 50[Ω] impedance is selected on the instrument.

Specifications

• Operational Temperature +5[℃]～+35[℃]
• Storage temperature -20[℃]～+50[℃]

（These specifications are subject to change without notice.）

Connecting External Power Supply

1. An external power supply is necessary if an instrument going to use has no probe power output. The requirements for the power supply are regulated±15[V] ±5[%]and capable of supplying more than 150[mA] current with low ripple and noise. And connect as the following figure.
   The wrong power supply connection may cause permanent damage on the O/E converter. Please make sure the connection as RED Cable for the Positive terminal, Black Cable for Ground Terminal and Blue Cable for Negative Terminal .

2. Panel cutout size is as follows to mount the Auxiliary Power Connector on a panel, if necessary. The maximum allowable thickness of the panel is 5mm.

The Spectral Sensitivity curve of ＳＰＤ-３ ＆ ＳＰＤ-４

The reference point is 1 at 850nm

Contact to: Graviton Inc.
1-8-1 Kasuga-cho, IRUMA-SHI, SAITAMA, 358-0006 JAPAN
TEL： +81-4-2966-0816 FAX： +81-4-2966-0817
“GRAVITON” is trade mark of Graviton lnc. in Japan. Copyright 2006 by Graviton Inc. All right reserved. Never reproduce or republish without written permission.

References

• O/E,E/O Conversion technology : Graviton Incorporated

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