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SE8201845L
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Electric signal step-controlled converter - has two variable gain loops connected to control signal generator
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SU1589372A1
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Synchronous conversion device (versions)
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HU182254B
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Frequency transformer of quadrature step
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DD152438A1
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Stage inverter electrical signals
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GB2097619A
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Stage converter of electric signals
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US4473802A
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Electrical signal converter with step variable gain
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Elektrisk signalomvandlare med stegvist varierbar foerstaerkning
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HU180369B
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Stepwise converter for electric signals
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SU955109A1
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Device for forming quadrature harmonic oscillations
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Oscillation source
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SU943757A1
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Device for analog signal functional conversion
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