HP-35 Power Supply Waveforms
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03-29-2019, 12:16 AM
Post: #4
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RE: HP-35 Power Supply Waveforms
(03-28-2019 04:06 PM)albertofenini Wrote: Hi Cruff My version was not meant to be an exact replacement, but just to work similarly so I could capture the wave forms. One transistor is a RS2021 which is apparently equivalent to the NTE159 or 2N3906. The other transistor is a 2N3904. The torroid was something I had in my parts stash, but I don't know the manufacturer nor its specifications. As you can see it is just on a breadboard. |
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