摘要:
A power saving method and a power saving system are applied in an optical disk drive. The power saving system comprises a power controlling unit for differentiating the specific sets of circuits not being used at a specific operation rate and powering them down. The sets of circuits not being used will be powered up while the associated operation rate at which they are required to operate is nearly started.
摘要:
A power saving method and a power saving system are applied in an optical disk drive. The power saving system comprises a power controlling unit for differentiating the specific sets of circuits not being used at a specific operation rate and powering them down. The sets of circuits not being used will be powered up while the associated operation rate at which they are required to operate is nearly started.
摘要:
A device for detecting wobbles on an optical disc is provided, where the device is utilized for generating a wobble signal according to a plurality of detection signals. The device includes an analog signal processing circuit, a pair of analog-to-digital converters (ADCs), and a digital signal processing circuit. The analog signal processing circuit is arranged to perform analog signal processing on the detection signals to generate a plurality of output signals. In addition, the pair of ADCs are arranged to digitalize the output signals to generate a plurality of digital values. Additionally, the digital signal processing circuit is arranged to perform digital signal processing on the digital values and generate an arithmetic output, where the arithmetic output is utilized for generating the wobble signal or utilized as the wobble signal. An associated method for detecting wobbles on an optical disc is further provided.
摘要:
A device for detecting wobbles on an optical disc is provided, where the device is utilized for generating a wobble signal according to a plurality of detection signals. The device includes an analog signal processing circuit, a pair of analog-to-digital converters (ADCs), and a digital signal processing circuit. The analog signal processing circuit is arranged to perform analog signal processing on the detection signals to generate a plurality of output signals. In addition, the pair of ADCs are arranged to digitalize the output signals to generate a plurality of digital values. Additionally, the digital signal processing circuit is arranged to perform digital signal processing on the digital values and generate an arithmetic output, where the arithmetic output is utilized for generating the wobble signal or utilized as the wobble signal. An associated method for detecting wobbles on an optical disc is further provided.
摘要:
A digital to analog converter for converting a digital input signal provided by a host to an analog output signal includes a modulator receiving the digital input signal, modulating the digital input signal, and outputting a modulated signal, and a filtering circuit receiving the modulated signal, low pass filtering the modulated signal, and outputting the analog output signal to an output node. The filtering circuit includes a first switching circuit for adjusting the bandwidth of the filtering circuit according to a bandwidth switching signal.
摘要:
The invention provides an electronic apparatus. In one embodiment, the electronic apparatus comprises an analog-to-digital converter (ADC) and an enable device. The analog-to-digital converter converts an analog input signal to a digital output signal with a resolution having a plurality of bits. The enable device dynamically adjusts the resolution of the analog-to-digital converter according to an instruction signal.
摘要:
The invention provides an electronic apparatus. In one embodiment, the electronic apparatus comprises an analog-to-digital converter (ADC) and an enable device. The analog-to-digital converter converts an analog input signal to a digital output signal with a resolution having a plurality of bits. The enable device dynamically adjusts the resolution of the analog-to-digital converter according to an instruction signal.