g-bit orx sensitivity measurement general function block diagram. orx adapter-board design. test...
TRANSCRIPT
G-bit ORx Sensitivity Measurement
• General Function Block Diagram.
• ORx Adapter-Board Design.
• Test Results.
ORx 1.25Gbps, 2.5Gbps module @ -9dBm, -12dBm,
-17dBm (AOPd)
ORx Adapter
G-Link OTx
40MHzClock Generator
OpticalAttenuator
1x2 coupler
Tektronix CSA8000
ORx
Trig
Output
SYNC
Tektronix PG 502
Block Diagram200
200
200
270Out
/Out
Out
/Out
114 Ohm
+IN
-INORx Adapter
Ch1 Ch5 Ch6
50oh
m S
MA
ORx Adapter top view
ORx Adapter bottom view
ORx Socket
Power Connector(LEMO)
“SMA” type Connector
ORx Setup
G-Link & OTx Opto-Module
Clock Generator & Power Supply
Optical Attenuator ST type 50/125
1x2 Optical Coupler ST type 50/125
The Measurement
O/E Converter, Ch1
Trigger
Sampling Module Ch5,6
OTx-9dBm
ORx-9dBm
OTx-12dBm
ORx-12dBm
OTx-17dbm
ORx-17dBm
ORx-2.5Gb-9dBm ORx-2.5Gb-12dBm
ORx-2.5Gb-17dBm