| ??? 06/23/06 22:27 Read: times  | 
#118981 - 9v batteries Responding to: ???'s previous message  | 
There are different construction techniques used in making these 9v batteries.  I've seen 3 different internal constructions.  Some of them could be noisier than the others mechanically, if you abuse them.
 Alkalines: Duracell - 6 AAAA, Welded Energizer - 6 AAAA, Compression Ray-O-Vac - 6 Custom rectangular cells, stacked vertically  | 
| Topic | Author | Date | 
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| It can be done | 01/01/70 00:00 | |
| Murata filter | 01/01/70 00:00 | |
| is there a thing called a "Murata filter | 01/01/70 00:00 | |
| Murata | 01/01/70 00:00 | |
| People who can hear caps... | 01/01/70 00:00 | |
| Caps, guitarplayers and DC/DC converters | 01/01/70 00:00 | |
| Some hints... | 01/01/70 00:00 | |
| Re : some hints | 01/01/70 00:00 | |
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| LM317L and LM337L | 01/01/70 00:00 | |
| He could add a choke... | 01/01/70 00:00 | |
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| Re:LDOs | 01/01/70 00:00 | |
| Very helpful, though | 01/01/70 00:00 | |
| Re : Very helpful, though | 01/01/70 00:00 | |
| Pop-eliminator | 01/01/70 00:00 | |
| Re : Pop-eliminator | 01/01/70 00:00 | |
| Caps charging | 01/01/70 00:00 | |
| 9v batteries | 01/01/70 00:00 | |
| Re : 9v batteries | 01/01/70 00:00 | |
| Batteries which hum | 01/01/70 00:00 | |
| Re : Batteries which hum | 01/01/70 00:00 | |
| Bridging the divide | 01/01/70 00:00 | |
| I remember | 01/01/70 00:00 | |
| Noisy batteries | 01/01/70 00:00 | |
| Linear tech LT1533 | 01/01/70 00:00 | |
      Re : Linear LT1533        | 01/01/70 00:00 | 



