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Here you can find a collection of electric and electronic circuits realized by the PSpice tool or by Cadence ORCAD Capture Lite. You can freely download, use or modify all the stuff you'll find here. Anyone who wishes to collaborate and share his experience, i invited to send, his works.
OrCAD 17.2 PSpice Designer Lite Software, it's freely downlonable, after registation, here
PSpice is a free open source software, download it here

Monostable

NE555 as monostabile

When a falling edge enter the trigger, the output goes to the instable state (high) for a prefixed time.
Ti=1.1ĚCiĚRi
The Trigger must go high beefore Ti to avoid unuspected output as at 64ms (the lengh of the pulse is different than Ti).

andamento1circuitopartsetupzip

MOSFET: small signal amplification circuit (ORCAD Capture Lite)

Voltage amplification

Enancement E-MOSFET IRF150

andamento1circuitosetup1zip

MOSFET (Enancement): caracteristics (ORCAD Capture Lite)

E-MOSFET input and output caracteristics

The transfer caracteristic (input) is realized by an unique DC-Sweep of (VGS) from 0V to 10V keeping VDS constant. On this plot is shown the MOSFET IRF034 threshold voltage (VGS(th))
To plot the Drain caracteristics 2 DC-Sweep are used: the "Primary Sweep" for VDS (x-axis); the "Secondary Sweep" for VGS (parameter).

andamento1andamento2circuitosetup1setup2

Altre pagine:

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Per informazioni, segnalazioni od invio materiale: rdr@erredierre.it