[Lowfer] My Prototype LOWfer transmitter PC Board

[Andy - KU4XR]

Very nice looking layout Lee: I hope it work great when finished.
BTW, did you use a Dremel tool to drill the holes in the PCB ??
Good job for sure..

73, and look forward to trying for your beacon in the future:


Andy - KU4XR - EM75xr - Friendsville, TN. USA
LOWfer Beacon " XR " @ 185.29875 KHz
 
**** Experimental QRSS-180 Transmissions ****

Coordinates:  N:  35º 43' 54" - W:  84º 3' 16"

http://www.myspace.com/beaconxr

http://ku4xr.webs.com

http://lwca.org/community/YaBB.pl

*** The 5 most important words ever spoken ***

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--- On Fri, 10/29/10, LEE BAHR <pulsarxp at embarqmail.com> wrote:

> From: LEE BAHR <pulsarxp at embarqmail.com>
> Subject: [Lowfer] My Prototype LOWfer transmitter PC Board
> To: "Discussion of the Lowfer (US, European, & UK) and MedFer bands" <lowfer at mailman.qth.net>
> Date: Friday, October 29, 2010, 8:53 PM
> If anyone wants to see my Prototype
> Printed Circuit Board for my LOWfer 
> transmitter, send me an e-mail.  I layed out the
> diagram with EXPRESS PCB 
> and then hand etched a prototype board to see if it is
> going to work before 
> I have some made up professionally.  I installed the 3
> IC chip sockets and 
> the 4-pin dip switch plus the 5 volt regulator today. 
> That's about half of 
> the solder connections.
> 
> The board has a dip switch to turn on the transmitter all
> the time, select 1 
> of 7 msgs on the K1EL chip, Epson oscillator, divide bye 10
> chip, drive pot, 
> balance pot, push-pull output, low pass filter with the
> option to tap to 
> antenna before or after the low pass filter.  5 volt
> regulator to power the 
> ICs.  Seperate power input for final transistors
> (12-24 volts).
> 
> Lee, w0vt 
> 
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