Testing Pseudo Capacitors

it turns out you can cook a lot of capacities out of bipolar triode

a descending list :: (also on the 1-st fig. below)

• connect E2E2C2C using bases as outputs or (equals) tie E&C together and merge B-s
• connect E2E & C2C using bases as outputs
• connect E2C & C2E using bases as outputs
• tie CB-s together and use as outputs merge by E-s
• tie EB-s together and use as outputs merge by C-s

(PS! -- the shown voltage tuning takes up to about a second to settle !!!)

+ a simple osc. test ::

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[Eop]

Sine wave crystal oscillator concept

i still poorly understand how to frequency tune this thing . . . but the main concept has been achieved -- a pure undistorted sine wave form for crystal . . .

. . . i find it curious that the appropriate web search can't find any analog circuits for such . . . . . . . . . even more curious is the fact that most micro controllers use digital/discreet stages based quartz drivers that for lower frequency X-tal-s as far as i get attempt to over stress the device and eventually ruin or kill it ???
(8 billion people with no brain on this planet ... statistically impossible but is what the prolonged web search stat.-s retrieves - i roger it but i can't get it - it's insane)

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update 2017.04.10 21:41 UTC+3h : revised an old design -- not as good as previous but seemingly near the sine -- also uses a lot of less power -- it likely would work and with even less power but assumingly with longer startup time

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[Eop]

a Collector load (sc proof) Vtg. Regulator

since the component countfor this bullsh¡t

is higher and it has an error to the range
 of the following (! not built / tested -- but i guess it's not far from it´s actual)

then i guess i gonna get this 1 PCB-d and cased in with an appropriate ( 300+mA @ 10V DC ) transformer , damn it takes long to test out what you actually need and that actually works as designed -- should've brought a random 600÷1000mA 9V SC proof linear reg. such as KA7809

Update !

now more precise v. of the above is available

[EoP]

custom 1.2V logic "ser.-s" revised

what was revised ::

(( not too very good as seen from time.now() ))

what we got ::

(( an inverter + additional schmitt 3-ger ))

(( always fun to test new oscillators ... ))

(( basic , simple ))

(( X-Tal type ))

[EoP]