US3654547A
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Alternating current attenuator circuit
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US3665322A
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Precision converter/amplifier utilizing a comparator network and a pair of internal signal sources
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US3581811A
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Constant temperature bath for high power precision resistor
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US3591791A
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Precision analog computer for multiplying and dividing
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US3517303A
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Circuit for producing a synthesized impedance
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US3488760A
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Reed relay module
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US3467912A
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Sensitive regenerative amplifier
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US3508030A
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Constant temperature bath for high power precision resistor
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US3422368A
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Three-terminal amplifying circuit
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US3454877A
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Potentiometer means for providing a standardized precision low voltage
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US3423680A
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High precision potentiometer apparatus employing parallel resistors in an attenuator
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