SPS-4120BWG datasheet(2/5 Pages) OPTOWAY

Part #	SPS-4120BWG

Description	8.5 Gb/s / 20 km / 1310 nm Digital Diagnostic LC SFP SINGLE-MODE TRANSCEIVER

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Manufacturer	OPTOWAY [Optoway Technology Inc]

Direct Link	http://www.optoway.com.tw

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Optoway

SPS-4120WG

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OPTOWAY TECHNOLOGY INC. No.38, Kuang Fu S. Road, Hu Kou, Hsin Chu Industrial Park, Hsin Chu, Taiwan 303

Tel: 886-3-5979798

Fax: 886-3-5979737

E-mail: sales@optoway.com.tw

http: // www.optoway.com.tw

2007/12/1 V2.0

2

Transmitter Optical Specifications (0

oC < Topr < 70oC, 3.13V < Vcc < 3.47V)

Parameter

Symbol

Min

Typ

Max

Units

Notes

Average Launch Power

Po, Avg

-4

0

dBm

1

Optical Modulation Amplitude

Po, OMA

0.35

mW

Output Center Wavelength

λc

1270

1310

1360

nm

Output Spectrum Width

σλ

1

nm

-20 dB width

Side Mode Suppression Ratio

SMSR

30

dB

Relative Intensity Noise

RIN

-128

dB/Hz

Average Launch Power of OFF

Transmitter

-30

dBm

1. Output power is power coupled into a 9/125

µm single-mode fiber.

Receiver Optical Specifications (0

oC < Topr < 70oC, 3.13V < Vcc < 3.47V)

Parameter

Symbol

Min

Typ

Max

Units

Notes

0.042

mWp-p

2, OMA

Unstressed Sensitivity at 8.5 Gb/s

Sens

-15

dBm

3, Average Power

Stress Sensitivity at 8.5 Gb/s

Sens

---

0.066

mWp-p

2, OMA

Receiver Overload

PMAX

0.5

---

dBm

LOS -- Deasserted

LOSD

---

-18

dBm

Transition: low to high

LOS -- Asserted

LOSA

-30

---

dBm

Transition: high to low

Wavelength of Operation

λc

1260

1565

nm

Optical Return Loss

ORL

-12

dB

2. Measured with worst ER; BER < 10

-12 and PRBS 27-1.

3. Represents sensitivity based on OMA spec, as corrected to incoming Extinction Ratio of 7 dB. For example, an OMA of 0.042 mW is

approximately equal to an average power of -15 dBm, average with an Extinction ratio of 7 dB.

Electrical Characteristics

Parameter

Symbol

Min

Typ

Max

Units

Notes

High-Speed Signal (CML) Interface Specification

Input Data Rate

1

8.5

Gb/s

Differential Input Impedance

Rin

100

Ω

Differential Data Input Amplitude

150

1200

mVpp

Internally AC coupled

Output Data Rate

1

8.5

Gb/s

Differential Output Impedance

Rout

100

Ω

Differential Data Output

Amplitude

350

600

700

mVpp

Internally AC coupled

Low-Speed Signal (LVTTL) Interface Specification

Input High Voltage

2.0

Vcc+0.3

V

Input Low Voltage

GND

0.8

V

Output High Voltage

2.4

Vcc

V

Output Low Voltage

GND

0.5

V

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SPS-4120BWG Datasheet(PDF) 2 Page - Optoway Technology Inc

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