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參數(shù)資料
| 型號： | S581-4000-14 |
| 廠商： | TriQuint Semiconductor,Inc. |
| 英文描述： | 9.9-11.2Gb/s Optical Modulator Driver |
| 中文描述： | 9.9 - 11.2Gb / s光調(diào)制器驅(qū)動 |
| 文件頁數(shù)： | 12/13頁 |
| 文件大?。?/td> | 920K |
| 代理商： | S581-4000-14 |
TriQuint Semiconductor Texas : (972)994 8465 Fax (972)994 8504 Web: www.triquint.com
Advance Product Datasheet
12
Note: Devices designated as EPU are typically early in their characterization process prior to finalizing all electrical and process
specifications. Specifications are subject to change without notice.
Bias ON
1. Disable the output of the PPG
2. Set Vd=0V Vctrl1=0V Vctrl2=0 Vg1=0V
and Vg2=0V
3. Set Vg1=-1.5V Vg2=-1.5V
Vctrl1=-0.2V
4. Increase Vd to 5V observing Id.
- Assure Id=0mA
5. Set Vctrl2=+0.2V
- Id should still be 0mA
6. Make Vg1 more positive until
Idd=65mA
.
- This is Id1 (current into the first stage)
- Typical value for
Vg1 is -0.65V
7. Make Vg2 more positive until Idd=220mA.
- This sets Id2T to 155mA.
- Typical value for Vg2 is -0.55V
8. Enable the output of the PPG.
- Set Vin=500mV
9. Output Swing Adjust: Adjust Vctrl2 slightly positive to increase output swing or adjust
Vctrl slightly negative to decrease the output swing.
- Typical value for
Vctrl2 is +0.22V
for
Vo=6V.
10. Crossover Adjust: Adjust Vg2 slightly positive to push the crossover down or adjust
Vg2 slightly negative to push the crossover up.
- Typical value for
Vg2 is -0.57V
to center
crossover with Vo=6V.
Bias OFF
1. Disable the output of the PPG
2. Set Vctrl2=0V
3. Set Vd=0V
4. Set Vctrl1=0V
5. Set Vg2=0V
6. Set Vg1=0V
TGA4953EPU
Bias Procedure
Vdd=5V, Vo=6Vamp, CPC=50%
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