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SU1767615A1
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Power supply reserved device
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SU1713043A1
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Voltage converter
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SU1571730A1
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Dc-to-dc converter
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SU1538230A1
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Device for summing of power of high-frequency oscillations sources
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SU1408504A1
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D.c. to d.c. voltage converter
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SU1471242A1
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Power-supply multichannel device
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SU1378097A1
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Redundant amplifier
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SU1374403A1
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Device for automatic amplification control
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SU1378096A1
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Redundant amplifier of amplitude-modulated signals
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SU1347200A1
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Amplitude-modulated signal redundant amplifier
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SU1282310A1
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Automatic gain control
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SU1319240A1
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Variable-gain power amplifier
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SU1259475A1
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Amplifying device
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SU1275783A1
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Automatic telephone exchange with pulse-time channel multiplexing
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SU1251341A1
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Automatic telephone exchange
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SU1171808A1
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Diagnostic checking device
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