Bibeloul contine in principiu doua oscilatoare stabile pe frecvente diferite si un etaj final amplificator de joasa frecventa. Intreg montajul este echipat cu tranzistorii EFT 353, EFT 322 MP 35.
Primul oscilator genereaza impulsuri din secunda in secunda, care poate fi si reglabile, modificind valoarea lui CI, C2, — R2. Oscilatiile sint conduse prin intermediul lui R6, care poate fi si reglabila, pe baza celui de-al treilea tranzistor, ce formeaza impreuna cu T4 cel de al doilea oscilator, functionind pe o frecventa de 600 Hz. Deci al doilea oscilator este comandat de primul oscilator, care are ca efect modularea frecventei foarte joase cu o frecventa de 600 Hz.
Efectul ce se obtine depinde foarte mult de piesele folosite in special de tranzistori, alimentarea, polarizarea lor. Deci se impune un reglaj mai atent a celor doua oscilatoare. in felul acesta se pot obtine semnale de la ciripitul unei pasarele pina la latratul unui dulau veritabil.
Etajul final este un amplificator de joasa frecventa.
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