Popular Electronics April 1970

Popular Electronics, April 1970 SWTPC Digital Logic Microlab
Copyright © 1970 Poptronix, Inc.; used by permission.

Build The Digital Logic Microlab
By Don Lancaster
Pages Cover, 27-35, 40-41
See the Microlab in action.

Build the 100-kHz Standard
Don Lancaster
Pages 56-58, 105

The first SWTPC advertisement was on page 114
The Digital Logic Microlab came with Don Lancaster's RTL Cookbook.

Each page is a 150 dpi jpg image.
300 dpi tiff files are available

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Divide by 16 binary ripple counter from page 40. Visual rate oscillator from page 35.


Popular Electronics Issues
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This page was last edited March 31, 2015