Author Topic: [YAFF] PNP-Negative Ground Conversion...  (Read 822 times)

A.S.P.

[YAFF] PNP-Negative Ground Conversion...
« on: April 01, 2014, 09:37:25 AM »
...back in 1952  :icon_eek:
US-pat.#2762875 fig.2

even comes with transformer-coupled speaker-output  :icon_eek: :icon_eek:
US-pat.#2761916
Analogue Signal Processing

tca

Re: [YAFF] PNP-Negative Ground Conversion...
« Reply #1 on: April 01, 2014, 09:51:26 AM »
^ I've tried that!
« Last Edit: April 01, 2014, 09:54:14 AM by tca »
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