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Digital Circuits added after 2004
| Description of Circuit |
orcad |
pdf |
| phase lock loop using 4046 for testing and learning. | 20007.zip
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| amp hour meter for battery chargers or electroplating equipment.
| 20019.zip |
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| CD4060 and CD4020 based long duration timer. | 20017.zip |
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| Digital Timer Clock With Preset using Thumbwheel switch. | 20029.zip |
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| 1 Hz or 1 pps crystal clock using CD4060 and 32768 Hz Crystal.
| 20030.zip
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