Nothing original here, but I use a cheap 1.8432 packaged logic-level
oscillator driving all the gates of a 74LS04 in parallel, followed by a
switchable 20 dB pad, all packaged up in a small minibox. I run it off a
12V gel-cell.
73,
geo - n4ua
On Tue, Nov 25, 2014 at 7:29 AM, Clive GM3POI <gm3poi2@btinternet.com>
wrote:
> Hi, Can anyone recommend a stable low power signal source suitable for
> tweaking RX antennas. I only need 160m and will only be used within say 10
> wavelengths. Preferably something off the shelf. Thanks Clive GM3POI
>
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