Los osciladores de alta frecuencia pueden ser necesarios en varios tipos de aplicaciones industriales y de consumo, tales como instrumentación, bancos de prueba y justas, etc. Los osciladores de este tipo también son importantes para reparar dispositivos de radio AM o FM, receptores, sintonizadores, intercomunicadores y otros. Un generador de señal capaz de producir señales de alta frecuencia con buena intensidad es esencial. El dispositivo que describimos en este artículo produce una señal de buena intensidad en un amplio rango de frecuencias y se modula con un tono de audio, lo que facilita enormemente su uso que requiere señales de este tipo. Si el lector aún no tiene un pequeño generador de señal o incluso un inyector de señal, no puede perder esta oportunidad de contar con la ayuda de este tipo de equipo de ahora en adelante. Por otro lado, si necesita un circuito estable para generar frecuencias altas, esta configuración puede ser muy útil. Un proceso simple, rápido y eficiente para encontrar problemas con receptores de radio AM y FM, intercomunicadores y otros equipos de comunicación, es aplicar una señal de RF a su entrada. Por cierto, esta señal se reproduce en el altavoz (o teléfono) podemos encontrar las etapas defectuosas. Esta misma señal también puede ser útil para realizar ajustes en las diferentes etapas de equipos del mismo tipo, lo que lleva a un mejor rendimiento. La bobina L1 consta de 200 vueltas de alambre esmaltado fino (28 a 32) en una varilla de ferrita de 10 cm de largo con aproximadamente 1 cm de diámetro. La bobina L2 consta de 30 vueltas del mismo cable, enrollado en el lateral o sobre L1. Los transistores admiten equivalentes, y las resistencias son de 1/8 W con 5% o más de tolerancia. Los condensadores pueden ser de poliéster o cerámica. Para la alimentación, se pueden usar 2 baterías pequeñas en un soporte adecuado.

 

Generador económico de alta frecuencia
Generador económico de alta frecuencia

 

 

 

18.837MBMemory Usage40.82msRequest Duration
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Identityguest
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Templatecassiopeia
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