GB2172708B
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1988-06-29
An arrangement for the wireless transmission of measuring signals
EP0156398A3
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1988-05-04
Fsk or fm burst signal generating apparatus
JPS57193166A
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1982-11-27
Frequency modulation transmitter
GB8416975D0
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1984-08-08
Determining frequency of time varying signals
EP0194903A3
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1988-07-06
Digital quadrature amplitude modulator
IT1170123B
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1987-06-03
TRANSMITTER SUITABLE FOR THE TRANSMISSION OF FREQUENCY MODULATED SIGNALS
GB2196497B
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1991-01-23
Apparatus for measuring the frequency of microwave signals
JPS57174966A
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1982-10-27
Angular modulation signal transmitter
GB2099245B
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1984-11-14
Demodulating an amplitude modulated signal
DE3465679D1
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1987-10-01
Digital quadrature amplitude modulation method
AU579618B2
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1988-12-01
Digital signal amplitude control apparatus
EP0256700A3
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1989-11-15
Technique for synthesizing the modulation of a time varying waveform with a data signal
GB8411038D0
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1984-06-06
Receiver for amplitude modulated signals
GB8407368D0
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1984-04-26
Obtaining peak value of signal
GB2103056B
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1985-04-24
Apparatus for transmitting an amplitude modulated stereophonic signal
YU208987A
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1989-10-31
Amplitude moduled radio transmitter
JPS53137103A
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1978-11-30
Method of modulating digital signal
GB2179226B
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1989-09-20
Process for the transmission of digitally coded signals
DE3269696D1
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1986-04-10
A method of and measuring instrument for measuring the overall phase and amplitude distortion of a transmission channel
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1986-08-28
Apparatus for amplifying a signal of varying level
GB8615978D0
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1986-08-06
Instrument for signal transmission
EP0346036A3
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1990-05-09
Method of quadrature-phase amplitude modulation
GB2166556B
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1988-12-29
Method for measuring the frequency response of a transmission system for digital signals
GB2162649B
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1988-01-20
Estimating the carrier frequency of a single sideband signal
JPS544055A
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1979-01-12
Amplitude modulator for radio transmitter