Abstract: The present application relates to an electronic test equipment and an optional function configuring method. A ciphertext decryption authentication unit performs a decryption authentication operation according to a function option key and a function option ciphertext, performs a corresponding operation on a function device corresponding to the function option ciphertext according to an authentication result signal, and outputs the authentication result signal to an operation control unit, such that the operation control unit operates, according to the authentication result signal, a target function corresponding to the function option ciphertext.

Abstract: A synchronization method for multi-channel signals, a power supply module, an electronic device, and a power supply device. In the synchronization method for multi-channel signals, a first power supply module (700) is connected to a plurality of mutually isolated second power supply modules (800), allocates target data information and a target duration to each of the second power supply modules (800) according to total data information input by a user; and then the first power supply module (700) synchronously transmits a clock signal to each of the second power supply modules (800), so as to trigger each of the second power supply modules (800) to synchronously output a data signal corresponding to the target data information, and to control an output duration of the data signal to be equal to the target duration.

Abstract: An analog front-end chip and an oscilloscope are provided. The analog front-end chip is integrated with an input buffer module, a variable gain amplification module, and at least two output branches. An input end of the input buffer module is configured as an input end of the analog front-end chip, and an output end of the input buffer module is electrically connected to an input end of the variable gain amplification module. An input end of each of the output branches is electrically connected to an output end of the variable gain amplification module, and an output end of each of the output branches is configured as an output end of the analog front-end chip, wherein each of the output branches includes an output buffer module.

Abstract: An embodiment of the present disclosure relates to a signal analysis interaction method and a signal analysis apparatus. The method may include displaying an image of at least one waveform of an obtained signal in an image display area of a screen according to the signal; displaying a selection area in the image display area in response to a first control operation, wherein the selection area is configured to indicate an area selected by the first control operation in the image display area; determining a channel list of the signal selected by the first control operation according to an image in the selection area; and displaying a function option to be executed according to the channel list.

Abstract: A synchronization method for multi-channel signals, a power supply module, an electronic device, and a power supply device. In the synchronization method for multi-channel signals, a first power supply module (700) is connected to a plurality of mutually isolated second power supply modules (800), allocates target data information and a target duration to each of the second power supply modules (800) according to total data information input by a user; and then the first power supply module (700) synchronously transmits a clock signal to each of the second power supply modules (800), so as to trigger each of the second power supply modules (800) to synchronously output a data signal corresponding to the target data information, and to control an output duration of the data signal to be equal to the target duration.

Abstract: Embodiments of the present application provide a multi-channel signal synchronization system, circuit, and method. The multi-channel signal synchronization system comprises a clock signal generation module, a synchronization signal generation module, and signal receiving modules; the clock signal generation module is configured to generate a first clock signal; the synchronization signal generation module is configured to generate a synchronization signal based on the first clock signal and transmit the synchronization signal to the clock signal generation module; the clock signal generation module generates second clock signals on the basis of the synchronization signal and transmits the second clock signals to the signal receiving modules; the synchronization signal generation module transmits the synchronization signal to the signal receiving modules.

Abstract: The present application relates to an electronic test equipment and an optional function configuring method. A ciphertext decryption authentication unit performs a decryption authentication operation according to a function option key and a function option ciphertext, performs a corresponding operation on a function device corresponding to the function option ciphertext according to an authentication result signal, and outputs the authentication result signal to an operation control unit, such that the operation control unit operates, according to the authentication result signal, a target function corresponding to the function option ciphertext.

Abstract: Embodiments of the present application provide a multi-channel signal synchronization system, circuit, and method. The multi-channel signal synchronization system comprises a clock signal generation module, a synchronization signal generation module, and signal receiving modules; the clock signal generation module is configured to generate a first clock signal; the synchronization signal generation module is configured to generate a synchronization signal based on the first clock signal and transmit the synchronization signal to the clock signal generation module; the clock signal generation module generates second clock signals on the basis of the synchronization signal and transmits the second clock signals to the signal receiving modules; the synchronization signal generation module transmits the synchronization signal to the signal receiving modules.

Abstract: A metastable state detection device and method, and an ADC circuit are disclosed. The metastable state detection device includes: a delay unit which is configured to receive a synchronization signal and delay the synchronization signal based on preset step delay values; a first flip-flop unit including a first clock input terminal, a first data input terminal and a first data output terminal, wherein the first clock input terminal is configured to receive a clock signal; the first data input terminal is configured to receive the delayed synchronization signal; a second flip-flop unit including a second clock input terminal, a second data input terminal and a second data output terminal; a processing module connected to the second data output terminal, which is configured to receive a target clock signal and detect a metastable state of the first flip-flop unit according to the target clock signal.

Abstract: An ADC sampling data identification method and system, integrated circuit and decoding device are disclosed. The ADC sampling data identification method includes in the integrated circuit, converting sampling data from n time interleaved ADC chips into serial data, generating a preamble sequence, combining the serial data with the generated preamble sequence to obtain new serial data, sending the new serial data to a decoding device, generating a clock signal that matches the new serial data, and sending the clock signal to the decoding device; and in the decoding device, receiving the new serial data and the clock signal from the ADC integrated circuit, obtaining the preamble sequence for combining according to an agreement with the ADC integrated circuit, and identifying a start position of the sampling data from the time interleaved ADC chips.