Driver for reactive load
First Claim
1. Apparatus for driving a reactive load, comprising:
- a plurality of N multi-input circuit elements, N ≧
2, connected in parallel, capable of amplifying a band of frequencies, two inputs of each element being connectable to sources of direct-current voltage, each circuit element and elements connected to its inputs defining a circuit stage;
N means, each means connected to at least one of the inputs of the circuit elements, capable of equalizing the gain of each of the N stages within a prescribed percentage;
a transformer having N primary, intput, windings and one secondary, output, winding, which is connectable to the load, each of the N primary windings having their inputs connected to one of the outputs of the circuit elements;
the transformer being so designed that its impedance, whether capacitive or inductive, as seen from the load, balances the inductive or capacitive load, respectively to be connected to it, over the band pass of interest.
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Abstract
An apparatus for driving a reactive load, comprises a plurality of N multnput elements N ≧ 2, connected in parallel, capable of amplifying a band of frequencies. Two inputs of each element can be connected to sources of direct-current voltage. Each circuit element and elements connected to its inputs define a circuit stage. N means, each means connected to at least one of the inputs of the circuit elements, are capable of equalizing the gain of each of the N stages within a prescribed percentage. A transformer having N primary, input, windings and one secondary output, winding, is connectable to the load. Each of the N primary windings have their inputs connected to one of the inputs of the circuit elements. The transformer is so designed that its impedance, usually inductive, as seen from the load, balances the capacitive load, to be connected to it, over the bandpass of interest.
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Citations
7 Claims
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1. Apparatus for driving a reactive load, comprising:
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a plurality of N multi-input circuit elements, N ≧
2, connected in parallel, capable of amplifying a band of frequencies, two inputs of each element being connectable to sources of direct-current voltage, each circuit element and elements connected to its inputs defining a circuit stage;N means, each means connected to at least one of the inputs of the circuit elements, capable of equalizing the gain of each of the N stages within a prescribed percentage; a transformer having N primary, intput, windings and one secondary, output, winding, which is connectable to the load, each of the N primary windings having their inputs connected to one of the outputs of the circuit elements; the transformer being so designed that its impedance, whether capacitive or inductive, as seen from the load, balances the inductive or capacitive load, respectively to be connected to it, over the band pass of interest. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification
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- Resources
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Current Assigneethe united states of america as represented by the secretary of the navy
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Original Assigneethe united states of america as represented by the secretary of the navy
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InventorsRouth, Claude C.
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Primary Examiner(s)Mullins, James B.
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Application NumberUS05/823,792Time in Patent Office362 DaysField of Search330/124 R, 330/165, 330/167, 330/276, 330/295, 330/302, 330/304, 330/306US Class Current330/124.00RCPC Class CodesH03F 3/211 using a combination of seve...H03F 3/68 Combinations of amplifiers,...
