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stabilizator napięć 80V i 200V do radiostacji RBM1 - Forum Elektroniczne

stabilizator napięć 80V i 200V do radiostacji RBM1

Zadaj tu pytanie, jeśli nie wiesz w jaki sposób zrobić układ realizujący założone funkcje.
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ANDYH
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stabilizator napięć 80V i 200V do radiostacji RBM1

Postautor: ANDYH » pt 22 wrz 2006, 11:13


binis
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Postautor: binis » ndz 24 wrz 2006, 15:42


volt12
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Postautor: volt12 » ndz 24 wrz 2006, 21:59


K.B
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Postautor: K.B » pn 09 paź 2006, 2:28


wru01417
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stabilizator napięć 80V i 200V do RBM-1

Postautor: wru01417 » wt 10 paź 2006, 21:52


dipol
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Postautor: dipol » sob 02 gru 2006, 16:58

te radiostacje były żarzone z akumulatora i bateri,było co nosić nna plecach
zasilacz b/prosto wykonać z trafa z starych odbiorników lampowych wykorzystujesz uzwojenie żarzenia po wyprostowaniu stabilzator i masz problem rozwiązany ,anodowe do odbiornika i nadajnika może być nie stabilizowane ważne napięcie żarzenia
VY73!

PI
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RBM-1

Postautor: PI » sob 02 gru 2006, 23:08

Witam; jeżeli temat jeszcze nie wygasł - popieram pomysł, aby nie zawracac sobie głowy stabilizowaniem napięć 80 i 200 V; zblizone i wystarczajaco stabilne napięcia można uzyskac w najzupełniej klasycznym układzie. Jak zrobić 80V - to trochę zalezy od rodzaju trafa sieciowego, ale widzę ewentualnie dwa sposoby, dobrze by było wiedziec, jaki prąd pobiera obwód zasilany z 80V. Co do 2,5V - w trafie, które mamy w wiekszości na mysli uzwojenie żarzenia (6,3v) było na wierzchu. Łatwo jest odwinąć kilka zwojów tak, aby uzyskac po wyprostowaniu pełnookresowym i odfiltrowaniu ok 5V, zrobic stabilizator najprostszy z możliwych (np. LM317+BD912 na radiatorze) i to wszystko. Uzwojenie żarzenia powinno to wytrzymać, bo przecietnie prąd żarzenia wszystkich lamp był do tej wartości zbliżony. Co do RBM-1; jak mnie pamięć nie myli były tam trzy baterie BAS80 (3x80V) i dwa aku Ni-Cd (2x1,2V).
Na koniec wreszcie - jak się bardzo chce, to mozna względnie niewielkim kosztem w warunkach domowych "nawinąć" trafo samodzielnie z takimi napięciami, jakie są potrzebne. To nie jest trudne.
PI

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zasilacz do rbk-ki

Postautor: kerimul » sob 30 gru 2006, 0:17

mam wszystko co potrzeba do zbudowania zasilacza,od dokumentacji po cząści,chętnie służę pomocą-kontakt na GG lub przez maila-pozdrawiam
kerimul


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