Description

6121A is a test instrument with the function of audio signal generation and audio signal analysis, which is suitable for voice performance test and audio power amplifier test and other fields. It meets the test requirements of frequency response, harmonic distortion and signal-to-noise ratio of radio, mobile communication, audio equipment and underwater acoustic communication equipment, and is a standing instrument for audio signal performance test. 6121A audio analyzer with high precision audio signal analysis function, set distortion meter, SINAD meter, frequency counter, AC voltmeter, DC voltmeter and FFT analyzer functions in one; With the function of low distortion audio signal generation, it can output a variety of audio excitation signals such as sine wave, square wave and DC. The product has the following features: One-click selection of audio generation, audio analysis, time domain analysis, frequency domain analysis, scanning and other modes of dual-channel analog audio signal generation, dual-channel analog audio signal analysis, you can run both time domain analysis and frequency domain analysis modes. Simultaneous display and analysis of dual-channel measurement results Measurement of DC or signals in the frequency range from 10Hz to 100kHz residual distortion as low as -90dB For low-distortion devices to measure high-quality, multi-type analog audio excitation signals: Sinusoid, dual sinusoid, square wave and DC Optional 10kHz, 20kHz and 100kHz bandwidth measurements characterize a wide range of performance metrics such as signal-to-noise ratio, SINAD, THD, THD+N and can be programmed through GPIB and LAN interfaces

The 6121A audio analyzer can work in a variety of modes such as audio generation, audio analysis, time domain analysis, frequency domain analysis, scan analysis, etc. By clicking the buttons of “Audio generation”, “Audio analysis”, “time domain”, “frequency domain” and “Scan” on the panel, you can select the corresponding working mode with one click.

Multi-channel multi-channel measurement The 6121A features two-channel analog audio signal analysis and can be configured for balanced or unbalanced input; It has a two-channel analog audio signal generation function and can be configured for balanced or unbalanced output. Dual-channel analog audio signal analysis and dual-channel analog audio signal generation can run simultaneously to meet the test requirements of multi-channel audio excitation signal generation and multi-channel audio signal analysis.

Audio analysis results Dual-channel display 6121A analog audio analysis function at the same time, in the time domain and frequency domain mode, the measurement results of two analysis channels are displayed in different colors at the same time to meet the test comparison of signals between the two channels.

Generate high-quality analog audio excitation signals Dual-channel analog audio signal generation supports the output of a variety of high-quality audio excitation signals, including sine wave, square wave, double sine and DC. The output voltage range is 0V~16Vrms, the accuracy is 1%.

Measurement and analysis of a variety of audio parameters 6121A has a frequency range of 10Hz~100kHz audio signal and DC signal measurement function, can characterize signal to noise ratio, SINAD, total harmonic distortion (THD), total harmonic distortion plus noise (THD+N) and other parameters, It also provides measuring functions such as AC level, DC level, frequency counter and FFT analysis.