[Lowfer] An HF to LF Transmit Converter

[Howell, Laurence (Shanghai/Singapore)]

Built two of these now  and simple though they, the performance is more
than adequate for my needs. I modified the local oscillator input to
allow switched internal xtal or an external GPS locked source for
tighter freq control - I have one for 137kHz and another for 500Khz and
just modified and added an additional LPF for my desired band. My ref
Osc freq is 5Mhz and drive is from a TS870S - 


http://www.kl1x.com/tvtr.jpg

Laurence 
WE2XPQ, BY3A/KL1X
x WD2XDW
Tanggu China






-----Original Message-----
From: lowfer-bounces at mailman.qth.net
[mailto:lowfer-bounces at mailman.qth.net] On Behalf Of Andy - KU4XR
Sent: Friday, January 16, 2009 1:14 AM
To: lowfer at mailman.qth.net
Subject: [Lowfer] An HF to LF Transmit Converter

Hello all:

This tidbit may be of interest to some and not to others.
The following link is for an HF to LF Xmit converter:

http://users.tpg.com.au/users/ldbutler/HFtoLFConverter.htm

If all you're looking to do is transmit linear modes, it's
possible that this might work for you.

73; and GudDay:::

Andy - KU4XR - EM75xr - Friendsville, TN.
LOWfer Beacon " XR " @ 184.322 KHz ( QRSS-60 )
Coordinates:  N:  35* 43' 54" - W:  84* 3' 16"
http://www.myspace.com/beaconxr


      
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