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pugongying
Joined: 02 Apr 2006
Posts: 66
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 01 Apr 2007 5:26 wideband limiting amplifier |
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I wanna design a wideband limiting amplifier,which has around 7dB gain ,and 2G bandwidth,consumes less than 1mA current from 2V supply,would you please give some sugguestion about the structure and approach?
==Summary==
Gain:7dB
BW:2GHz
Vdd:2V
Itotal:<1mA
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Thanks
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ravet
Joined: 17 Sep 2006
Posts: 114
Helped: 2
Location: DSO
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01 Apr 2007 21:13 Re: wideband limiting amplifier |
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| search net about cherry hopper amplifier, it will be explained in razavi in integrated circuits for optical communications, razavi published things about wideband amplifiers
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surianova
Joined: 01 Sep 2004
Posts: 410
Helped: 21
Location: ASIA
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02 Apr 2007 4:14 Re: wideband limiting amplifier |
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| pugongying wrote: |
I wanna design a wideband limiting amplifier,which has around 7dB gain ,and 2G bandwidth,consumes less than 1mA current from 2V supply,would you please give some sugguestion about the structure and approach?
==Summary==
Gain:7dB
BW:2GHz
Vdd:2V
Itotal:<1mA
=========
Thanks |
it is quite depends what technology you use and also how much the load your LA going to drive. If you use 0.18 um, it is easilly acheive that spec.
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02 Apr 2007 4:14 Ads |
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suria3
Joined: 05 Mar 2004
Posts: 325
Helped: 11
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17 Apr 2007 9:22 Re: wideband limiting amplifier |
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You can try the folded active inductor and cherry hopper (search on net) to achieve the specification. I believe the specs that you are looking for is easily can be achieved with 0.18um process and even with less current. Pls find the attachment. Good luck and hopes this help you.
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pugongying
Joined: 02 Apr 2006
Posts: 66
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21 Apr 2007 14:03 wideband limiting amplifier |
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| thanks for all your replies
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