Elektor Team
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9 V battery life extender

9 V battery life extender
9 V BATTERY LlFE EXTENDER rten an equipment is supplied by O a battery whose nominal voltage 01 1N4002. L1 is only slightly high er than the re- quired supply voltage. The result is 1mH that when the battery is only partly discharged, the equip.
This article is one from our 90s collection, the articles are downloadable as a PDF for all our members. Although the information we have on the website is a little less rich than you have become used to since 2000, the articles themselves are still a good read. Please enjoy the professionally designed, easy to build circuits that were considered the latest developments in electronics and information technology at the time they were written. In most cases they have stood the test of time pretty well.
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