something to remember for analog designers from edaboard

vidarson_qin · 发表于 2007-5-29 11:47:52

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something to remember for analog designers from edaboard
模拟牛人关于analog design的99个建议，
希望对大家有帮助。
原作者不祥，从edaboard转载

song_rf · 发表于 2007-5-29 13:25:48

什么东东.

vidarson_qin · 发表于 2007-5-29 19:26:16

The first 5 points:

1/ Capacitors and resistors have parasitic inductance, about 0.4nH for surface mount and 4nH for a leaded component.

2/ If you don"t want a high bandwidth transistor to oscillate place lossy components in at least 2 of the 3 leads. Ferrite beads work well.

3/ When taking DC measurements in a circuit and they don"t make sense, suspect that something is oscillating.

4/ Opamps will often oscillate when driving capacitive loads.

5/ The base-emitter voltage Vbe of a small signal transistor is about 0.65v and drops about 2mV/deg C. Vbe goes down with increasing temp.

fanjx · 发表于 2007-5-29 20:28:27

haha good

ana192712 · 发表于 2007-5-29 23:27:06

dinggg!!!

culight · 发表于 2007-5-31 19:29:44

xiexie

piao · 发表于 2007-6-5 19:28:35

thanks

netking · 发表于 2010-1-5 21:12:01

great Post

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