Jump to content
Electronics-Lab.com Community

LC and Oscillators


Recommended Posts

How can he provide such an in-depth answer without the schematic? That's impressive.   ::)

What sort of LC oscillator are you talking about?

There are many configurations. The only thing you hint at, is you're using a BJT.

Here are some examples:


In all circuits, the base is connected to the LC tank in some way, perhaps that should give you a clue.

If you want a decent answer, post the schematic.

Link to comment
Share on other sites

Another aspect with these oscillators is the series capacitor inductor in parallel with the inductor. Not being a parallel LC means that the resonant frequency is not 1/(2pi x sqrt LC). The capacitive reactance does not equal the inductive reactance as it does in a resonant parallel LC. However, the reactance of the inductors will be equal at any frequency with a center-tapped transformer.

Link to comment
Share on other sites

  • 1 year later...

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...