From: TTman on 16 Jan 2010 04:09 "Robert Baer" <robertbaer(a)localnet.com> wrote in message news:d6qdne18-Yd948zWnZ2dnUVZ_tydnZ2d(a)posted.localnet... > phaedrus wrote: >> Hi, chums, >> >> It's good for you for me to be back! >> >> Anyone know of a really simple 9v limited PSU schematic with no >> regulation and no filtering or owt.? > Check..use a Tamura SB12812-1206 (secondaries in series), a Diodes Inc > DF01S-T for full wave rectification, and a 100uF 16V capacitor. > Oops..you said no filtering, meaning you do not care about how bad the > ripple can get..so get rid of the capacitor... And some of the diodes, like I said :)
From: D Yuniskis on 16 Jan 2010 11:46 TTman wrote: > "Robert Baer" <robertbaer(a)localnet.com> wrote in message > news:d6qdne18-Yd948zWnZ2dnUVZ_tydnZ2d(a)posted.localnet... >> phaedrus wrote: >>> Hi, chums, >>> >>> It's good for you for me to be back! >>> >>> Anyone know of a really simple 9v limited PSU schematic with no >>> regulation and no filtering or owt.? >> Check..use a Tamura SB12812-1206 (secondaries in series), a Diodes Inc >> DF01S-T for full wave rectification, and a 100uF 16V capacitor. >> Oops..you said no filtering, meaning you do not care about how bad the >> ripple can get..so get rid of the capacitor... > > And some of the diodes, like I said :) *And* the transformer!! Just stick two leads in the air. (Hey, so it goes into foldback current limit at 0.000 microamps... <shrug>)
From: Hammy on 16 Jan 2010 13:07 On Fri, 15 Jan 2010 22:53:48 -0000, "TTman" <someone.pc(a)ntlworld.com> wrote: > >"phaedrus" <orion.osiris(a)virgin.net> wrote in message >news:d2819638-3801-4556-8a5c-8c025087d0d0(a)s31g2000yqs.googlegroups.com... >> Hi, chums, >> >> It's good for you for me to be back! >> >> Anyone know of a really simple 9v limited PSU schematic with no >> regulation and no filtering or owt.? >Just a transformer and 1 diode.... But if you're talking quality, then 2 >diodes.... > Wet your finger and insert it in your nearest outlet while standing in a puddle of water!
From: Jim Thompson on 16 Jan 2010 13:13 On Sat, 16 Jan 2010 13:07:18 -0500, Hammy <spam(a)spam.com> wrote: >On Fri, 15 Jan 2010 22:53:48 -0000, "TTman" <someone.pc(a)ntlworld.com> >wrote: > >> >>"phaedrus" <orion.osiris(a)virgin.net> wrote in message >>news:d2819638-3801-4556-8a5c-8c025087d0d0(a)s31g2000yqs.googlegroups.com... >>> Hi, chums, >>> >>> It's good for you for me to be back! >>> >>> Anyone know of a really simple 9v limited PSU schematic with no >>> regulation and no filtering or owt.? >>Just a transformer and 1 diode.... But if you're talking quality, then 2 >>diodes.... >> >Wet your finger and insert it in your nearest outlet while standing in >a puddle of water! Oldest son, when was ~3 years old, stuck a bobby pin (shorting) into an outlet. Went off like a flashbulb. Unhurt, fortunately, but he never screwed around with an outlet again ;-) ...Jim Thompson -- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food.
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