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| Optoway BTR-7940G / BTR-7940-SPG FEATURES l l l l l l l l l l l l l l BTR-7940G 1 *********************************************************************************************************************************************************************** 1490 nm TX / 1310 nm RX , 3.3V / 1.25 Gb/s RoHS Compliant Single-Fiber Transceiver ********************************************************************************************************************************************************************** DESCRIPTION Bi-Directional Single-Fiber Transceiver 14910 nm DFB LD Transmitter 1310 nm Receiver 20 dB Power Budget At Least Link distance up to 40 km Industry Standard 1 x 9 Footprint Single +3.3 V Power Supply RoHS Compliant 0 to 70oC Operating LVPECL Differential Inputs and Outputs LVPECL Signal Detect Output: BTR-7940G LVTTL Signal Detect Output: BTR-7940CG Wave Solderable and Aqueous Washable Class 1 Laser International Safety Standard IEC- 60825 Compliant The BTR-7940G series is high performance module for single fiber communications by using 1490 nm transmitter and 1310 nm receiver. The transmitter section uses a multiple quantum well 1490 nm DFB laser and is a class 1 laser compliant according to International Safety Standard IEC-60825. The receiver section is designed to receive 1310 nm and block 1490 nm signal. This feature is suitable for IEEE 802.3ah and ITU-T 983.3 application. The receiver section uses an integrated 1310 nm detector preamplifier (IDP) mounted in an optical header and a limiting post-amplifier IC. A PECL logic interface simplifies interface to external circuitry. LASER SAFETY This single mode transceiver is a Class 1 laser product. It complies with IEC-60825 and FDA 21 CFR 1040.10 and 1040.11. The transceiver must be operated within the specified temperature and voltage limits. The optical ports of the module shall be terminated with an optical connector or with a dust plug. APPLICATIONS l WDM 1.25 Gb/s Links l SONET/SDH Equipment Interconnect l Fibre Channel 1.063 Gb/s Links ORDER INFORMATION P/No. 1000 BASE BX Bit Rate Distance (Gb/s) (km) 1.25 40 TX (nm) 1490 DFB RX (nm) 1310 Voltage (V) 3.3 Package Temp (oC) 0 to 70 TX RX Sens. RoHS Power (dBm) Compliant (dBm) 2 to -3 -23 Yes BTR-7940G 1X9 Note: 1. BTR-XXXXG is 1X9 SC receptacle type package. 2. BTR-XXXX-APBBBG is 1X9 pigtail type package with different connector, A=S is SC connector, A=F is FC connector, A=T is ST connector, A=L is LC connector, A=M is MU connector; BBB is the length of fiber in cm. *********************************************************************************************************************************************************************** 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 10/1/2005 V2.0 Optoway Absolute Maximum Ratings Parameter Storage Temperature Operating Temperature Soldering Temperature Power Supply Voltage Input Voltage Output Current Symbol Tstg Topr --Vcc --Iout Min -40 0 0 GND 0 Max 85 70 260 3.6 Vcc 30 Units o C o C o C V V mA BTR-7940G Notes air flow 1m/sec 10 seconds on leads only 2 *********************************************************************************************************************************************************************** Recommended Operating Conditions Parameter Power Supply Voltage Operating Temperature Data Rate Power Supply Current Symbol Vcc Topr Icc Min 3.13 0 Typ 3.3 1250 Max 3.47 70 1300 280 Units / Notes V o C / Air flow 1m/sec Mb/s mA Transmitter Specifications (0 oC < Topr < 70 oC, 3.13V < Vcc < 3.47V) Parameter Optical Optical Transmit Power Output Center Wavelength Output Spectrum Width Side Mode Suppression Ratio Extinction Ratio Output Eye Optical Rise Time Optical Fall Time Relative Intensity Noise Total Jitter Electrical Data Input Current - Low Data Input Current - High Differential Input Voltage Data Input Voltage - Low Data Input Voltage -- High Symbol Min Typ ------Max 2 1500 1 --0.26 0.26 -120 0.227 Units dBm nm nm dB dB ns ns dB/Hz ns A A mV V V Notes 1 -20 dB Width Po -3 1480 -- SMSR 30 ER 9.0 Compliant with IEEE 802.3z tr tf RIN TJ IIL IIH VIH - VIL V IL - VCC V IH - VCC -350 20% to 80% Values 20% to 80% Values 2 350 300 -2.0 -1.1 -1.58 -0.74 3 3 Notes: 1. Output power is power coupled into a 9/125 m single mode fiber. 2. Measured with a 27-1 PRBS. 3. These inputs are compatible with 10K, 10KH and 100K ECL and LVPECL inputs. *********************************************************************************************************************************************************************** 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 10/1/2005 V2.0 Optoway Receiver Specifications (0oC < Topr < 70oC, 3.13 V < Vcc < 3.47V) Parameter Optical Sensitivity Maximum Input Power Signal Detect -- Asserted Signal Detect -- Deasserted Signal detect -- Hysteresis Wavelength of Operation Optical Return Loss Electrical Data Output Voltage - Low Data Output Voltage - High SD Output Voltage -- Low SD Output Voltage -- High SD Output Voltage -- Low SD Output Voltage -- High Symbol --Pin Pa Pd Min ---3 ---40 1.0 1260 14 -2.0 -1.1 -2.0 -1.1 0 2.0 Typ ----------Max -23 ---23 --1360 Units dBm dBm dBm dBm dB nm dB V V V V V V BTR-7940G Notes 1 Transition: low to high Transition: high to low 2 3 *********************************************************************************************************************************************************************** ORL V OL - VCC V OH - VCC V OL - VCC V OH - VCC VOL V OH -1.58 -0.74 -1.58 -0.74 0.8 Vcc+0.3 3 3 BTR-7940G BTR-7940CG Notes: 1. Minimum sensitivity and saturation levels at BER 1E-12 for a 27-1 PRBS. 2. At least 30 dB optical isolation for the wavelength 1480 to 1580 nm. 3. These outputs are compatible with 10K, 10KH and 100K ECL and LVPECL outputs. CONNECTION DIAGRAM Receiver Signal Ground 1 (Rx GND) Receiver Data Out 2 (RD+) Receiver Data Out Bar 3 (RD-) Signal Detect 4 (SD) Receiver Power Supply 5 (Rx Vcc) Transmitter Power Supply 6 (Tx Vcc) Transmitter Data In Bar 7 (TD-) Transmitter Data In 8 (TD+) Transmitter Signal Ground 9 (Tx GND) N/C TOP VIEW N/C PIN 1 2 3 4 5 6 7 8 9 Symbol Rx GND RD+ RD- SD Rx Vcc Tx Vcc TD- TD+ Tx GND Notes Directly connect this pin to the receiver ground plane See recommended circuit schematic See recommended circuit schematic Active high on this indicates a received optical signal +3.3V dc power for the receiver section +3.3V dc power for the transmitter section See recommended circuit schematic See recommended circuit schematic Directly connect this plan to the trransmitter ground plane *********************************************************************************************************************************************************************** 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 10/1/2005 V2.0 Optoway RECOMMENDED CIRCUIT SCHEMATIC Vcc3.3V Vcc3.3V R3 NA R2 NA C9 100nF C10 100nF L2 1uH U2 TXGND TD+ TDTXVCC RXVCC SD RDRD+ RXGND 9 8 7 6 5 4 3 2 1 C2 100nF L1 1uH C3 100nF C4 10uF Vcc3.3V MICROSTRIP5 Z=50R MICROSTRIP6 Z=5OR TD- BTR-7940G 4 *********************************************************************************************************************************************************************** Vcc3.3V LVPECL TD+ R4 NA R1 NA PHY DEVICE C1 100nF C8 10uF RD+ Vcc3.3V C12 R21 1K 100nF MICROSTRIP7 Z=50R MICROSTRIP8 SD / LVPECL R14 100R RD- LVPECL C11 100nF Z=5OR The split-load terminations for ECL signals need to be located at the input of devices receiving those ECL signals. The power supply filtering is required for good EMI performance. Use short tracks from the inductor L1/L2 to the module Rx Vcc and Tx Vcc. A GND plane under the module is required for good EMI and sensitivity performance. PACKAGE DIAGRAM Units in mm 1) Pigtail Type BTR-7940-SP50G / BTR-7940C-SP50G Note: Length L is 50 3 cm. Other pigtail's length is available upon request. *********************************************************************************************************************************************************************** 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 10/1/2005 V2.0 Optoway 2) Receptacle Type BTR-7940G 5 *********************************************************************************************************************************************************************** BTR-7940G / BTR-7940CG Note: Specifications subject to change without notice. *********************************************************************************************************************************************************************** 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 10/1/2005 V2.0 |
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