This is the BAMA archive. These manuals are available for download and free of charge. Do not be tricked into paying for a manual that is available here for free.
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2026-10-09
- 170 new manuals added in aes, alinco, bitsavers, b&k, century, collins, dovetron, ebooks, eico, electric-eye, freq-electronics, goodwill, hickok, johnson, kantronics, micronta, military, national, rca, scientific_radio, sencore, sylvania, tennelec, triplett, uniden, and xyz.
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2026-10-21
- New beta site for public review.
Polarity Inverters
Files
- 15V Input Converter Generates -185V at 50mA.mht
- DC-DC Converters - Voltage Inverting.pdf
- Inductorless +15V to -15V Converter.pdf
- Inverter - Negreg.jpg
- Negative Supply from a Positive Supply.pdf
- Negative Voltage Supply With 555.PDF
- Positive Into Negative.gif
- Positive to Negative Voltage Converter.pdf
- Regulated +13V to -13V Inverter.pdf
- Transformerless Power Inverter.pdf
Contact and submissions
If you have a better copy of any of these manuals, or a manual which is not listed, and wish to share it, upload it to cloud.edebris.com or email the archive directly. All formats are accepted.
BAMA is offered as a free service to the internet community. Please respect the archive and its download limits.
Viewers
These viewers may be required to read some manuals in the archive:
- Sumatra PDF (Windows)
- DjView (DjVu)
- WinDjView (Windows, DjVu)
- Adobe Acrobat Reader (PDF)