Vibrator d.c. power supplies

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Users browsing this forum: downtownrecording, Google Adsense [Bot]macadoo, petervv and 12 guests. Posted: Jan Sat 16, am. The reason for the 'lack' of rectification is that the was run off a 6 volt battery; the output of the vibrator is pulsed DC, which is then filtered after the transformer.

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They first appear in the s and are used into the s when a pair Germanium Transistors replaces the the mechanical contacts. The Transistor versions are still occasionally seen. A CFL electronic ballast is a variation of the transistor version. The DC power supply option on the Yaesu FT series radios uses a pair of transistors with feedback from the mains transformer to replace the contacts.

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April 17, D. Holdt, Baltimore, Md. In power supplies designed for low powers, usually only one vibrator is used.

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Electromechanical components known as vibrators were used in a circuit similar to modern solid state inverter circuits to provide a pulsating DC which could be converted to a higher voltage with a transformerrectifiedand filtered to create higher-voltage DC. This "vibrator" is essentially a relay using normally closed contacts to supply power to the relay coil, thus immediately breaking the connection, only to be reconnected very quickly through the normally closed contacts. It happens so rapidly it vibrates, and sounds like a buzzer.

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Electromechanical components known as vibrators were used in a circuit similar to modern solid state inverter circuits to provide a pulsating DC which could be converted to a higher voltage with a transformerrectifiedand filtered to create higher-voltage DC. This "vibrator" is essentially a relay using normally closed contacts to supply power to the relay coil, thus immediately breaking the connection, only to be reconnected very quickly through the normally closed contacts, it happens so rapidly it vibrates, and sounds like a buzzer. This same rapidly pulsing contact applies the rising and falling DC voltage to the transformer which can step it up to a higher voltage. For portable radios, hearing aids and similar equipment, B batteries were manufactured with various voltage ratings.

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Patent ed Nov. Burt, Narberth; Pa. The present invention relates to vibrator power supply systems of the type employed in connection with low voltage battery power sources for supplying higher voltage, anode and other operatlng.

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DC is handy to use and is easy to analyze. However, AC has some useful properties too. In particular, AC current can operate a transformer which can step it up or down easily. Power is conserved, of course well, actually, you get less power because of losses in the transformer.

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