algorithm to control the bank of capacitors in lc cc vco

EDAboard.com Forum Index -> Analog IC Design & Layout -> algorithm to control the bank of capacitors in lc cc vco

Author

Message

hossam_

Joined: 26 Nov 2007
Posts: 8

04 Apr 2008 13:30 calibrator of lc vco

i need to know how to make the algorithm to control the bank of capacitors in lc cross coupled vco
plz can any one upload any ref. or paper about it ?

Google
AdSense
Google Adsense

04 Apr 2008 13:30 Ads

neoflash

Joined: 02 Jul 2005
Posts: 410
Helped: 8

05 Apr 2008 16:18 calibrator of lc vco

search Gray Meyer's paper in JSSC. "a 1.3G..."

hossam_

Joined: 26 Nov 2007
Posts: 8

05 Apr 2008 21:13 Re: calibrator of lc vco

thanks for reply but can demonstrate the title of the paper more or upload it here

neoflash

Joined: 02 Jul 2005
Posts: 410
Helped: 8

06 Apr 2008 10:34 Re: calibrator of lc vco

hossam_ wrote:

thanks for reply but can demonstrate the title of the paper more or upload it here

I check this paper twice. It doesn't give the algo. However, it still worth to read.

A 1.8-GHz LC VCO with 1.3-GHz tuning range and digital amplitude calibration
Berny, A.D.; Niknejad, A.M.; Meyer, R.G.;
Solid-State Circuits, IEEE Journal of
Volume 40, Issue 4, April 2005 Page(s):909 - 917
Digital Object Identifier 10.1109/JSSC.2004.842851

Summary: A 1.8-GHz LC VCO designed in a 0.18-/spl mu/m CMOS process achieves a very wide tuning range of 73% and measured phase noise of -123.5 dBc/Hz at a 600-kHz offset from a 1.8-GHz carrier while drawing 3.2 mA from a 1.5-V supply. The impacts of wideband.....