VCO basics

Nov 12, 2006 23 Replies
J
[snip]

Using a "mesa" etch technique. I've designed chips which take these VHF crystals and quadruple the output frequency without using any tanks... up to around 600MHz output ;-)

...Jim Thompson

-- | James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona Voice:(480)460-2350 | | | E-mail Address at Website Fax:(480)460-2142 | Brass Rat | |

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| 1962 | I love to cook with wine. Sometimes I even put it in the food.

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C

You could always put a frequency tripler etc. after the crystal oscillator, that would allow you to use it at fundamental.

Colin =^.^=

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J

Of course not. My specialty is elegance ;-)

Think low spurs. Think HOW.

...Jim Thompson

| James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC\'s and Discrete Systems | manus | | Phoenix, Arizona Voice:(480)460-2350 | | | E-mail Address at Website Fax:(480)460-2142 | Brass Rat | | http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food.
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