Low frequency power amplifier employing high frequency magnetic components
First Claim
1. A low frequency amplifier comprising:
- a switched bridge circuit, providing a first frequency output;
a transformer circuit receiving the first frequency output from the switched bridge circuit;
a switched output circuit operatively connected to the transformer circuit, responsive to a transformer output from the transformer at said first frequency, the switched output circuit switched to provide a first sense output and a second sense output in a timed sequence to provide a second frequency output, the second frequency output having a lower frequency than the first frequency output;
said switched output circuit provided as a first switched output circuit;
at least one additional switched output circuit operatively connected to an additional transformer output and providing an additional second frequency output synchronously with the second frequency output from the first switched output circuit; and
the first switched output and the additional switched output having serially connected output connections so as to provide the second frequency output from the first switched output and the additional second frequency output in series.
1 Assignment
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Accused Products
Abstract
A low frequency amplifier uses a switched bridge circuit, providing a first frequency output. A transformer circuit receiving the first frequency output from the switched bridge circuit. Power from the transformer is output from a plurality of secondaries and the power from the secondaries is supplied to the corresponding output switching circuits and provided as switched outputs from the transformer circuit. The switched outputs from the transformer circuit are responsive to a transformer output from the transformer at the first frequency, and switch the transformer outputs in a timed sequence to provide a combined second frequency output. The second frequency output has a lower frequency than the transformer outputs.
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Citations
24 Claims
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1. A low frequency amplifier comprising:
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a switched bridge circuit, providing a first frequency output; a transformer circuit receiving the first frequency output from the switched bridge circuit; a switched output circuit operatively connected to the transformer circuit, responsive to a transformer output from the transformer at said first frequency, the switched output circuit switched to provide a first sense output and a second sense output in a timed sequence to provide a second frequency output, the second frequency output having a lower frequency than the first frequency output; said switched output circuit provided as a first switched output circuit; at least one additional switched output circuit operatively connected to an additional transformer output and providing an additional second frequency output synchronously with the second frequency output from the first switched output circuit; and the first switched output and the additional switched output having serially connected output connections so as to provide the second frequency output from the first switched output and the additional second frequency output in series. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of providing a low frequency amplifier output, through the use of higher frequency magnetics, the method comprising:
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using a switching circuit to provide a first frequency output at the higher frequency; providing the first frequency output to a transformer circuit; providing a transformer output from the transformer circuit, responsive to a transformer output from the transformer at said first frequency, and switching the transformer output to provide a first sense output and a second sense output in a timed sequence to provide a second frequency output, the second frequency output having a lower frequency than the first frequency output; said switched output circuit provided as a first switched output; providing at least one additional transformer output and switching the additional transformer output synchronously with the second frequency output as an additional switched output; and providing the first switched output and the additional switched output in series. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. Apparatus for providing a low frequency amplifier output, through the use of higher frequency magnetics, comprising:
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circuit switching means, for providing a first frequency output at the higher frequency; means for providing the first frequency output to a transformer circuit; a transformer output circuit providing a transformer output from the transformer circuit, responsive to a transformer output from the transformer at said first frequency, and switching the transformer output to provide a first sense output and a second sense output in a timed sequence to provide a second frequency output, the second frequency output having a lower frequency than the first frequency output; said transformer output circuit provided as a first transformer output circuit; at least one additional transformer output circuit responsive to an additional transformer output; means to switch the additional transformer output circuit synchronously with the first transformer output circuit; and means for providing the outputs from the first transformer output circuit and the second transformer output circuit in series. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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Specification