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US5375126A
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Integrated logical and physical fault diagnosis in data transmission systems
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US4833675A
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PCM frame slip detection in a channel
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US4739407A
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Frequency modulation television receiver with tracking filter
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US4710890A
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Balanced mixer
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DE3514650A1
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METHOD AND DEVICE FOR MEASURING VARIATION COMPONENTS OF A SIGNAL
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US4132957A
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Programmable amplifier
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US3961255A
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Measurement bandwidth enhancement in phase lock loops
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US3921053A
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DC-to-DC Converter
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US3963992A
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Linear agc circuit with controlled duty cycle sampling means
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US3940703A
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Intermodulation distortion analyzer
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US3883830A
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Line conditioner with independent gain and delay control
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US3961264A
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Linear frequency converter with gain independent of circuit parameters
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US3916329A
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Time jitter generator
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US3916307A
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Time jitter meter
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Oscillator having output frequency linearly related to resistance
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US3824496A
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Gyrator circuits comprising operational amplifiers and oscillating utilizing same
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US3838351A
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Active notch filter and dual mode filter/oscillator
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US3862380A
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Intermodulation distortion analyzer
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US3818359A
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Line equalizer circuit employing active gyrator
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US3811088A
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Logarithmic converter
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