Datasheet > MB201A20V

MB201A20V

更新时间： 2024-02-19 22:37:00

品牌	Logo	应用领域
先进线性 - ALD		PC
页数	文件大小	规格书
3页	73K
描述
Single Board Precision DVM with direct PC Interface

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MB201A20V 数据手册

MB201A2V/MB201A20V

Single Board Precision DVM with direct PC Interface

The ALD MB201 is a precision +/-5½-digit Digital Voltmeter (DVM) printed circuit board that

contains the ALD500R/ALD521D A/D Converter chipset that directly plugs into the parallel printer port

of a PC computer. It features calibrated analog input (w/scalable input ranges), and digital circuitry to

communicate with PC or other microprocessors. It is designed to be used as a stand-alone, embedded

system component in a variety of applications including digital panel meters, customized instrumentation

displays, temperature monitoring, high resolution DVM’s, weigh scales and others. Direct Full-scale

analog input range is +/-2.00000V DC with a linearity of 0.005%. ALD's 18-bit plus sign integrating

dual-slope analog processor (ALD500) functions as the input device and the ALD521D microprocessor

IC implements the digital conversion, control mode and I/O functions.

The MB201 supports two optional versions, each populated with different components and

configurations:

Mode A – calibrated reference used primarily for measurements against a calibrated reference

voltage typically required in precision voltmeter applications. Mode A is the default version of

MB201A.

Mode B – ratio-metric intended for measurements against a ratio-metric reference voltage, such

as those required in weigh scale applications. Mode B is a simple application specific adaptation

of the standard MB201A.

The MB201 board has a provision for PC interface (DB25), BASIC interface modules, and input resistor

divider network for input scaling. Optional MS-DOS Software (P/N - MBCDROM) is also available for

user setup and calibration. Only one copy of the software is necessary, regardless of the number of

boards in use. DC Inputs are single ended or optionally fully differential, and features automatic zero and

automatic input polarity detection. A DB25 connector is provided on-board, to conveniently interconnect

the MB201 to a personal computer (PC) via the parallel printer port for operation, initial setup, and

calibration.

Hardware and Software Features

Directly plug into a PC parallel printer port and displays readings on the monitor.

Measurement Range: +/-2.00000V DC direct input.

(Other ranges are user configurable and scalable, using both hardware and software scaling)

All solid-state construction.

User selectable +/-3½ to +/-6½ digits.

Differential analog inputs with auto-polarity and auto-zero.

Calibration for positive and/or negative inputs.

Smart Input Filtering (Sample Averaging) selection for noise reduction and accurate displays.

Optional MS-DOS software for user operation, setup, and calibration is sold separately.

MB201

www.aldinc.com

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与MB201A20V相关器件

型号	品牌	获取价格	描述	数据表
MB201A2V	ALD	获取价格	Single Board Precision DVM with direct PC Interface
MB202	MICROSEMI	获取价格	RECTIFIERS
MB202008TA-3.000KHZ	ILSI	获取价格	Oscillator, 0.003MHz Min, 220MHz Max, 0.003MHz Nom,
MB202008TB-3.000KHZ-G	ILSI	获取价格	Oscillator, 0.003MHz Min, 220MHz Max, 0.003MHz Nom,
MB202008TH-3.000KHZ	ILSI	获取价格	Oscillator, 0.003MHz Min, 220MHz Max, 0.003MHz Nom,
MB202048HA-3.000KHZ-G	ILSI	获取价格	Oscillator, 0.003MHz Min, 220MHz Max, 0.003MHz Nom,
MB202048HB-220.000MHZ-G1	ILSI	获取价格	Oscillator, 0.003MHz Min, 220MHz Max, 220MHz Nom,
MB202048HBH-220.000MHZ	ILSI	获取价格	Oscillator, 0.003MHz Min, 220MHz Max, 220MHz Nom,
MB202048HBH-220.000MHZ-G1	ILSI	获取价格	Oscillator, 0.003MHz Min, 220MHz Max, 220MHz Nom,
MB202048TA-220.000MHZ-G1	ILSI	获取价格	Oscillator, 0.003MHz Min, 220MHz Max, 220MHz Nom,

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