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租赁健伍 VA-2230A 音频分析仪

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产品参数

选件 状态 设备价值 是否计量
完好 0
成色 发货周期 所在地
8成新 -- 深圳市
租赁价格: 电议
更新日期:2020-08-21
联系电话:0755-86016691

*产品描述

描述

VA-2230A是一款高性能多功能音频分析仪,具有测量信号发生器,具有快速响应,高稳定性和10种测量功能。它由一个包含可编程(DDS)振荡器的测量信号生成模块和一个使用陷波滤波器HPF和LPF处理信号并应用DSP计算的高速测量模块组成。十项测量功能包括:频率测量,高达210 kHz功率带宽的交流电平测量,总失真测量,总谐波失真测量,高阶谐波分析,信噪比测量,信噪比测量,信噪比测量,SINAD测量和直流电平测量。这些功能可以单独使用,也可以与信号生成模块结合使用,以构建具有低噪声,高精度和高速度的音频测量系统。VA-2230A投入了无处不在的数字技术,使得全自动测量成为可能,包括自动量程切换和自动同步的测量数据输出。此外,它还配备了多种通用功能,包括用于存储和调用多达100种测量条件设置的预设存储器;使用带GO / NO-GO的区域显示来判断测量结果的限制功能,自动排序功能。依次调出预设的存储设置,打印机输出以打印测量结果,EXT I / O(用于远程控制)和GP-IB(标准)。VA-2230A投入了无处不在的数字技术,使得全自动测量成为可能,包括自动量程切换和自动同步的测量数据输出。此外,它还配备了多种通用功能,包括用于存储和调用多达100种测量条件设置的预设存储器;使用带GO / NO-GO的区域显示来判断测量结果的限制功能,自动排序功能。依次调用预设的存储器设置,打印机输出(用于打印测量结果),EXT I / O(用于远程控制)和GP-IB(标准)。VA-2230A投入了无处不在的数字技术,使得全自动测量成为可能,包括自动量程切换和自动同步的测量数据输出。此外,它还配备了多种通用功能,包括用于存储和调用多达100种测量条件设置的预设存储器;使用带GO / NO-GO的区域显示来判断测量结果的限制功能,自动排序功能。依次调用预置的存储设置,打印机输出,用于打印测量结果的EXT I / O(用于远程控制)和GP-IB(作为标准)。


DSP用于基于FFT计算的测量DSP使基于FFT的
真有效值测量成为可能。畸变测量包括总畸变测量(THD N)以及总谐波畸变测量(THD)和谐波分析(HD),而这些以前只能在高级工具中使用。


低失真
DDS信号发生器信号发生器能够基于DDS(直接数字合成器)方法进行低失真信号振荡,并具有50 ppm的高频率稳定性。可以高速进行设置。


大型LCD用于多功能显示
三种显示模式包括数字显示模式(第1页),模拟仪表模式(第2页)和用于GO / NO-GO判断的极限模式(第3页)。


出色的可操作性
菜单操作基于使用功能键的选择而执行,而直接键用于切换输出通道和测量项目。可以使用数字键或慢速/快速键修改输出值设置。


GP-IB作为标准提供
GP-IB现在是标准生产线项目。通过在同一型号的工具之间进行存储器内容的传输(内存复制),以及同步调用预设存储器等,也使系统扩展变得容易。


浮动开关
信号产生模块,AC测量模块和DC测量模块的GND电路是分开的,并且每个都可以从机柜中浮起,彼此之间可以独立。


SINAD测量
SINAD测量使分析仪可用于通信设备以及音频设备领域。


两个输入/输出通道
虽然信号生成和测量模块由单通道电路组成,但内置了信号切换器,可以输入和输出2个信号通道。这样就可以测量串扰,信号分离和L / R比。


其他主要特点

频率计数器和交流电电平测量功能的频率范围扩展到了210 kHz,可以调节磁带座的磁头偏置。

在交流电平测量中可以进行相对测量,而在模拟扬声器等时可以显示瓦数(虚拟负载)。

BAL / UNBAL输入功能使大功率放大器等的不接地测量成为可能。

100步顺序存储器,可分为10组。

用于外部控制和打印输出的I / O端口。


音频信号分析仪,频率,失真,AC / DC电压,S / N,SINAD

  • 基于FFT计算的DSP
  • 低失真的DDS信号发生器
  • 大型LCD多功能显示器
  • 出色的可操作性
  • GP-IB作为标准提供
  • 浮动开关
  • SINAD测量
  • 两个输入/输出通道

详细信息

Description

The VA-2230A is a high-performance multifunction audio analyzer featuring a measuring signal generator with fast response and high stability and 10 measuring functions. It consists of a measuring signal generation block incorporating a programmable (DDS) oscillator and high-speed measurement block which processes signals using a notch filter HPF and LPF and applies DSP computations. The 10 measuring functions include the frequency measurement AC level measurement with a wide bandwidth up to 210 kHz wattage measurement total distortion measurement total harmonic distortion measurement high-order harmonic analysis S/N ratio measurement L/R ratio measurement SINAD measurement and DC level measurement. These functions can be used independently or can also be combined with the signal generation block to build audio measuring systems with low noise high accuracy and high speed. With digital technology invested everywhere the VA-2230A makes possible fully automated measurements including automatic range switching and automatically synchronized measurement data output. In addition it is also packed with a multiplicity of versatile functions including a preset memory for storing and recalling up to 100 measure-ment condition settings a limiting function using zone display with GO/NO-GO judgment of the measurement results an auto sequencing function which recalls the preset memory settings in sequence a printer output for printing the measurement results an EXT I/O for remote control and a GP-IB as standard.


DSP for Measurements Based on FFT Computations
True rms measurements based on FFT are made possible by the DSP. The distortion measurements include the total distortion measurement (THD N) as well as the total harmonic distortion measurement (THD) and the harmonic analysis (HD) which have previously been available only with high-grade tools.


DDS Signal Generator with Low Distortion
The signal generator is capable of low-distortion signal oscillation based on the DDS (Direct Digital Synthesizer) method with a high 50 ppm frequency stability. The setting can be made at a high speed.


Large LCD for Versatile Display
Three display modes include a numeric display mode (PAGE 1), an analog meter mode (PAGE 2) and a limit mode for use in GO/NO-GO judgments (PAGE 3).


Excellent Operability
Menu operations are performed based on selections using function keys, while direct keys are used to switch the output channels and measuring items. The output value settings can be modified using the numeric keys or the jog /shuttle keys.


GP-IB Provided as Standard
The GP-IB is now standard production line item. It also makes system expansion easy by enabling the transfer of memory contents between tools of the same model (memory copy), and the synchronized recalling of preset memory, etc.


Floating Switching
The GND circuits of the signal generation block, AC measurement block and DC measurement block are separate and each can be floated from the cabinet independently of the others.


SINAD Measurement
The SINAD measurement makes the analyzer usable in the field of communications equipment as well as in the field of audio equipment.


Two Input/Output Channels
While the signal generation and measurement blocks are composed of single-channel circuitry, signal switchers are built in to allow the input and output of 2 channels of signals. This makes possible the measurements of crosstalk, signal separation and L/R ratios.


Other Major Features

The frequency range of the frequency counter and AC level measurement functions is expanded up to 210 kHz to enable the head bias adjustment of the tape decks.

Relative measurement is possible in AC level measurement while wattage display (virtual load) is possible when simulating a loudspeaker, etc.

The BAL/UNBAL input capabilities make possible the non-grounded measurement of high-power amplifiers, etc.

100-step sequence memory, which can be divided into 10 groups.

I/O ports for external control and printing out.


Audio Signal Analyzer, Frequency, Distortion, AC/DC Voltage, S/N, SINAD

  • DSP for Measurements Based on FFT Computations
  • DDS Signal Generator with Low Distortion
  • Large LCD for Versatile Display
  • Excellent Operability
  • GP-IB Provided as Standard
  • Floating Switching
  • SINAD Measurement
  • Two Input/Output Channels

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