FW: Grid Dip Oscillator

• To: "'Tesla List'" <tesla-at-poodle.pupman-dot-com>
• Subject: FW: Grid Dip Oscillator
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Sun, 23 Nov 1997 23:02:28 -0600
• Approved: tesla-at-stic-dot-net

From: 	Malcolm Watts[SMTP:MALCOLM-at-directorate.wnp.ac.nz]
Sent: 	Sunday, November 23, 1997 2:38 PM
To: 	Tesla List
Subject: 	Re: Grid Dip Oscillator

Hi Paul,

> From:   Anderson's Publishing[SMTP:andersons-at-geeky1.ebtech-dot-net]
> Sent:   Thursday, November 20, 1997 7:55 PM
> To:     tesla-at-pupman-dot-com
> Subject:    Grid Dip Oscillator
> 
> I was looking through the first issue of "On The Air!" magazine, a
> magazine for ham radio, and saw an article on building a device called a
> grid dip oscillator(or a drain dip oscillator).  Has anyone any experience
> with these?  The article says that you can use it to tune a circuit to a
> specific resonant frequency without powering the circuit.  You set the
> dial to the desired frequency, then you adjust the circuit until the meter
> on the front dips.  Sounds like a perfect tool for tesla coils.  Any
> thoughts?  TTYL!

Not really. You have to get too close to the secondary coil to use 
the thing and that seriously affects frequency.

Malcolm

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