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MA-1000 Moving Averager

For the Accurate Quantification of EMG and ENG Signals

For EMG and ENG measurements Uses easily replaceable time constant modules to implement the moving average Comes standard with time constants of 50, 100, and 200mS, but any values between 10 and 500mS are available Download the Moving Average Amplifier Data Sheet

Note: Pricing outside the U.S. will be higher to account for shipping, taxes, duty, currency fluctuation, local warranty and technical support in your country.

Part Number	Description	Price (US)	DATAQ Store
MA-1000	Moving Average amplifier.	$1000	Quantity:

Product Highlights

The MA-1000 consists of an adjustable-gain input buffer, a precision full-wave rectifier, and a moving averager circuit. It is used for the accurate quantification of electromyogram (EMG) and electroneurogram (ENG) signals. The moving averaging circuit is a 3rd order Paynter low-pass filter that creates a contoured or smoothed envelope around the rectified signal, with selectable degrees of smoothing. Smoothing is accomplished by the selection of a time constant, conveniently implemented by front panel pushbutton switches.

MA-1000 Specifications⁽¹⁾

• Input impedance: 1MΩ single-ended
• Input voltage range: ±10V
• Input coupling: AC or DC, switchable
• Rectifier offset and asymmetry: ±5mV max
• Frequency response: DC to 25kHz
• Rectified output voltage range: 0 to 10V
• Moving average output voltage range: 0 to 10V
• Output impedance: any output <10Ω
• Input/output connectors: BNC
• Power requirements: ±12VDC @ 50mA
• Dimensions: 2.5W × 5.05H × 9.5D (inches)

(1) The MA-1000 IS NOT to be used for human patient-connected applications.

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