4
Optoway
BTR-7810G
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RECOMMENDED CIRCUIT SCHEMATIC
Vcc3.3V
Vcc3.3V
Vcc3.3V
R2
R3
NA
NA
C9
MICROSTRIP5
TD-
Z=50R
MICROSTRIP6
100nF
C10
LVPECL
R1
NA
TD+
R4
NA
Z=5OR
100nF
L2
Vcc3.3V
1uH
C2
100nF
U2
9
8
7
6
5
4
3
2
1
C3
100nF
C4
10uF
TXGND
TD+
TD-
TXVCC
RXVCC
SD
RD-
RD+
RXGND
L1
1uH
PHY DEVICE
C1
100nF
C8
10uF
Vcc3.3V
RD+
LVPECL
MICROSTRIP7
C12
R14
100R
Z=50R
MICROSTRIP8
100nF
R21
1K
RD-
Z=5OR
C11 100nF
SD / LVPECL
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-7810-SP50G / BTR-7810C-SP50G
Note: Length L is 50± 3 cm. Other pigtail’s length is available upon request.
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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 10/1/2005 V2.0
OPTOWAY [ OPTOWAY TECHNOLOGY INC ]
