Optoway

TRSL-7380W-CXX0

***************************************************************************************************************************************************************************

*****************************************************************************************************************************************************************************

Tel: 886-3-5979798

Fax: 886-3-5979737

E-mail: sales@optoway.com.tw

http: // www.optoway.com.tw

6/30/2004 V2.0

Receiver Specifications (0

Parameter

Symbol

Min

Typ

Max

Units

Notes

Optical

Sensitivity

---

---

---

-24

dBm

1

Maximum Input Power

Pin

-3

0

---

dBm

Signal Detect -- Asserted

Pa

---

---

-24

dBm

Transition: low to high

Signal Detect -- Deasserted

Pd

-36

---

---

dBm

Transition: high to low

Signal detect -- Hysteresis

1.0

---

dB

Wavelength of Operation

1100

---

1620

nm

Electrical

Data Output Voltage – Low

-2.0

-1.58

V

2

Data Output Voltage – High

-1.1

-0.74

V

2

Signal Detect Output Voltage -- Low

0.8

V

Signal Detect Output Voltage -- High

2.0

V

Notes: 1. Minimum sensitivity and saturation levels at BER=1E-12 for a 2

2. These outputs are compatible with 10K, 10KH and 100K ECL and PECL inputs.

ANALOG DIAGNOSTICS FUNCTIONS

Parameter

Symbol

Min

Typ

Max

Units

Notes

Transmitter

Laser Bias Current Monitor

Bmon+, Bmon-

0

Vcc

V

1

Monitor Photodiode Current Monitor

Pmon+,Pmon-

0

Vcc

V

2

Receiver

Received Photocurrent

Rpd

0

1

mA

3

Photodiode Responsivity

R

0.5

0.9

1.0

A/W

Applied Voltage at VpdR pin

Vpd

2.4

Vcc

V

3

Notes: 1. PIN 17 and 18 provide an analog voltage output proportional to the laser bias current, based on the following

formula: Ibias = V (Bmon+ - Bmon-) / 10 Ω. See below the equivalent circuit.

2. PIN 19 and 20 provide an analog voltage output proportional to the monitor photodiode current, based on the

following formula: Imon = V (Pmon+ - Pon-) / 200Ω. See below the equivalent circuit.

3. PIN 1 is used to monitor the received photocurrent. It must be connected to a positive voltage within the specified

above. The received power is given by the photocurrent multiplied by the photodiode responsivity.

RX PD

T

Vpdr

Monitor PD

200ohm

VCC

control

circuit

Pmon+

Pmon-

3K

3K

LD

10ohm

VCC

bias

circuit

BM+

BM-

3K

3K

I bias

I mon

I pd

Analog Monitoring Function Connections