189016 ⎘
Details not covered by groups - and; Digital function generators working, at least partly, by table look-up; Waveform generators, i.e. devices for generating periodical functions of time, e.g. direct digital synthesizers in which the phase increment is adjustable, e.g. by using an adder-accumulator
Sub-classes:SINE WAVE GENERATION BASED ON A FLEXIBLE PULSE WIDTH MODULATION (PWM) TECHNIQUE
#2CONTROL SYSTEM AND METHOD
#3MEASUREMENT CIRCUIT, MEASUREMENT INSTRUMENT, AND VECTOR NETWORK ANALYZER
#4DIRECT DIGITAL SYNTHESIZER CIRCUIT, MEASUREMENT SYSTEM, AND METHOD OF OPERATING A DIRECT DIGITAL SYNTHESIZER CIRCUIT
#5Phase consistent numerically controlled oscillator
#6Low-emissions touch controller
#7Frequency-multiplying direct digital synthesizer
#8Low-emissions touch controller
#9Analog function generator with digital instrumentation methods for output signal
#10Testing device and testing method for testing a device under test
#11Arbitrary waveform sequencer device and method
#12Phase compensated fixed-point numerically controlled oscillator for downhole logging
#13Arbitrary waveform generator based on instruction architecture
#14Dynamic evaluation and adaption of hardware hash function
#15Sine wave generating apparatus and method
#16Generation of high-rate sinusoidal sequences
#17Excess-fours processing in direct digital synthesizer implementations
#18Signal generator for a measuring apparatus and measuring apparatus for automation technology
#19Dynamic evaluation and adaption of hardware hash functions
#20Generation of high-rate sinusoidal sequences
#21Arbitrary waveform generator and neural stimulation application
#22Dynamic evaluation and adaption of hardware hash functions
#23Vector NCO and twiddle factor generator
#24Differential timing transfer over synchronous ethernet using digital frequency generators and control word signaling
#25Arbitrary waveform generator and neural stimulation application
#26Frequency synthesizer and frequency synthesizing method for converting frequency's spurious tones into noise
#27Method and apparatus for reducing signal edge jitter in an output signal from a numerically controlled oscillator
#28PLL circuit
#29ROM-based direct digital synthesizer with pipeline delay circuit
#30Waveform generator with a register that shifts and provides groups of successive data values from an input data stream
#31Frequency synthesizer for a level measuring device and a level measuring device
#32REDUCTION OF SPURIOUS FREQUENCY COMPONENTS IN DIRECT DIGITAL SYNTHESIS
#33Differential timing transfer over synchronous ethernet using digital frequency generators and control word signaling
#34Synthesized local oscillator and method of operation thereof
#35SYNCHRONOUS CLOCK GENERATION APPARATUS AND SYNCHRONOUS CLOCK GENERATION METHOD
#36Agile high resolution arbitrary waveform generator with jitterless frequency stepping
#37Polyphase numerically controlled oscillator
#38Low cost, high purity sign wave generator
#39Sine wave generator with dual port look-up table
#40Apparatus for generating clock pulses using a direct digital synthesizer
#41Advanced arbitrary waveform generator
#42Direct digital synthesizer, direct digital synthesizer for transmission and detection, and MRI apparatus
#43Direct digital synthesizer system and related methods
#44Signal generation
#45Direct digital frequency synthesizer
#46Waveform generation
#47Digital frequency synthesiser and a method for producing a frequency sweep
#48Tunable multi-phase-offset direct digital synthesizer
#49High-order delta-sigma noise shaping in direct digital frequency synthesis
#50Digital jitter synthesizer
#51Method and apparatus for improving the frequency resolution of a direct digital synthesizer
#52Multi-stage numeric counter oscillator
#53Triggered DDS pulse generator architecture
#54DDS circuit with arbitrary frequency control clock
#55High resolution synthesizer with improved signal purity
#56Synchronous clock generation apparatus and synchronous clock generation method
#57DDS pulse generator architecture
#58Suppression of interference in digital frequency synthesis, more particularly in a time reference of a navigation signal transmitting device
#59Circuit for clock interpolation and method for performing clock interpolation
#60Digital frequency synthesizing circuit and system thereof using interpolation and linear feedback shift register (LFSR)
#61Wideband signal generators, measurement devices, methods of signal generation, and methods of signal analysis
#62Frequency-multiplying direct digital synthesizer
#63Jitter compensated numerically controlled oscillator
#64Numerically controlled oscillator with fractional frequency control word inputs
#65Excess-fours processing in direct digital synthesizer implementations