Parametry generatora VCO w PSpice: różnice w projektowaniu z IC i tranzystorami

Mon Mar 15, 2004 3:59 am   

Witam

Mam zaprojektowac uklad generatora VCO w Pspice.Czy okreslenie VCO oprocz
tego ze jest sterowany napieciem determinuje jakies inne jego parametry? Czy
moze byc tyo np uklad przetwornika U/f ? Wyskrobalem sobie taki piekny
ukladzik na tranzystorze a oni chca na ic :(

PS: brak zalozen co do czestotliwosci , stabilnosci. itp


pozdrawaim

K.

Mon Mar 15, 2004 4:55 am   

On Sun, 14 Mar 2004 19:59:58 GMT, Krzysztof wrote:

Generatory zle wychodza w symulatorach elektroniki :-(


Nie.


To jest U/f, niezaleznie od ukladu :-)


Co za "oni"

Faktycznie - jakis klasyczny U/f typu kondensator ladowany do progu
zasymuluje w sie spice najladniej..

J.

Mon Mar 15, 2004 6:40 am   

I tak zrobilem na 555 i 741.

dziekuje i pozdrawiam

Krzysztof.

Mon Mar 15, 2004 4:03 pm   

J.F. napisal(a):


Alez skad. Podepnij na wyjscie wtornika na WO kondensator. Dziala
bardzo ladnie. ;--)

--
Pozdrowienia, Marcin E. Hamerla

"Every day I make the world a little bit worse."

Mon Mar 15, 2004 10:14 pm   

Sun, 14 Mar 2004 21:55:21 +0100 jednostka biologiczna o nazwie J.F.
<jfox_nospam@poczta.onet.pl> wyslala do portu 119
jednego z serwerow news nastepujace dane:


warunki poczatkowe i po ptokach). Trza, jak ktos poradzil na grupie
zasilac generator ze zrodla typu PULSE ktore wlacza sie chwile po
rozpoczeciu symulacji. Stosuje to i mi generatory w symulatorze
dzialaja.

Tue Mar 16, 2004 12:13 am   

On Mon, 15 Mar 2004 15:14:39 +0100, BLE_Maciek wrote:

Tak trzeba - ale jak maja duza dobroc to jeszcze trzeba sie naczekac
na stabilizacje pracy :-)

J.

Tue Mar 16, 2004 12:31 am   

Użytkownik "BLE_Maciek" <i80c586@cyberspace_NO_SPAM_.org> napisał w
wiadomości news:1eeb50l5mhluol6pnck44r3rb3qa1bacua@4ax.com


Albo ręcznie narzucić warunki początkowe.
..IC = "Initial Condition" jeżeli mnie pamięć nie myli

--
Marek Dzwonnik, GG: #2061027 (zwykle jako 'niewidoczny')

Tue Mar 16, 2004 12:38 am   

Mon, 15 Mar 2004 17:13:52 +0100 jednostka biologiczna o nazwie J.F.
<jfox_nospam@poczta.onet.pl> wyslala do portu 119
jednego z serwerow news nastepujace dane:


rusza. Symulowanie z zasilaniem od pierwszej chwili jest dobre do
symulowania wzmacniaczy, bo nie czeka sie az kondensatory sie
naladuja.

Tue Mar 16, 2004 10:04 pm   

Robilem taki projekt na uklady elektroniczne. Pamietam, ze wazne w spice
bylo ustawienie kroku obliczania. Zarówno przy zbyt duzym (co oczywiste) i
przy zbyt malym (co mniej oczywiste) robil glupoty. Niestety - nie pamietam
szczególów.

Thu Mar 18, 2004 4:19 am   

Wysyłając taki oto zestaw znaków dnia 2004-03-15 17:31 Marek Dzwonnik
nakarmił(a) stado głodnych newsserwerów:



--
Pozdrawiam Bad Worm badworm{m-a-ł-p-a}post[K_R_O_P_K_A]pl
http://www.gusnet.prv.pl (nieczynne do odwolania) GG# 2400455
"Dziwny jest ten świat..."
Tnijcie cytaty i sygnaturki!

Wed Oct 18, 2006 1:54 am   

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