PCB

Mar 01, 2006 65 Replies

Take a look at a (Colpitts or is it Clapp) common collector oscillator. It is very easy to make one of these when you don't want to. All it takes is a longish base lead to make the inductance and some stry capacitance.

-- kensmith@rahul.net forging knowledge

Isn't "Clapp" the one that gives you the itch ?:-)

...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 | It\'s what you learn, after you know it all, that counts.

In article , Jim Thompson wrote: [... oscillator ...]

Thats why I avoid that topology.

I prefer the combined Colpitts / Armstrong oscillator design.

-- kensmith@rahul.net forging knowledge

That's a sweet circuit if you use the right guard.

John

When they were building the pulp mill, in one place I found about half a dozen crescent shaped steel plates cut with a torch. Took me a while to figure it. The welder had been trying to cut a flange with a radius cutting jig but after cutting the outer radius, rather than adjusting the radius he had changed the center. Took him a good many tries to figure it, if he ever did.

- YD.

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