KD4YGU's Project Page Display of 6mhz filter

The Sweeper

Circuit Description Schematics Parts List Photos Ramblings

A Wide Range VCO - 25mhz to 1ghz
PCB layouts...sort of
Alternate counter circuit using 74LS193's
Please note that Acrobat files PRINT better than they DISPLAY
To download the above files : Right-click and select 'Save Target As...'
If the schematic looks imposing, it's really not, when broken into blocks. Please read the Circuit Description first.
The Schematics are in Adobe Acrobat format. Click here if you need Acrobat Reader
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Versatile Reference Generator

Description Schematic Parts List Circuit Boards Photo
Epson SPG series IC datasheets page 1 page 2

To download the above files : Right-click and select 'Save Target As...'
Please note that Acrobat files PRINT better than they DISPLAY

I am sorry to say that the Epson SPG series IC is no longer produced or available from normal sources
 You can reach Wayne by e-mail at: wayne@350rx7.com