High performance amplifier STX2520-STX2520

High performance amplifier STX2520
Laboratory Equipment Corporation Co., Ltd.

About This Product

■SummaryThe STX-2520 is a high-performance amplifier that combines high count rate and high resolution with the latest ultra-high-speed OpAmp and newly developed analog pulse processing circuit. This makes it possible to fully utilize the high count rate and high resolution inherent to the SDDX ray detector.

For line detectors, it is necessary to set the time constant of the amplifier short for high counting rate, and long for high resolution, and it is usually difficult to achieve high counting and high resolution at the same time. Even with a detector with a resolution of 135ev, the resolution deteriorates rapidly to about 190ev in 1 usec. It is recognized that a longer peaking time is required for low energy.

These are the stories of old analog amplifiers that do not support digital MCA and pulse reset. Deterioration of resolution cannot be avoided if the 2V to 10V pulse reset processing is not properly processed for digital circuit noise and output signals of about 10mV.

...However, this product has a Peaking Time of 0.55usec and a resolution of 129eV.

Looking only at the FWHM value, it seems that the optimal peaking time for this detector is as long as 2.2usec. However, in reality, Peaking Time 1.1usec is the optimal time constant. Mn-Ka has two overlapping peaks: Ka1 (100%) 5.899 and Ka2 5.888 (50%). Although there is a difference of 11eV, it is approximately 1ch on the spectrum. Since the relative intensity is 50%, there are steps on the lower side of the peak.

With the combination of analog amplifier and analog MCA, the resolution remains the same even at fast peaking times from low energy to high energy. Since it has a wide dynamic range, the sum peak, which is a problem with digital MCA when used in a fluorescent X-ray analyzer, is so small that it can be almost ignored. Detecting aluminum is difficult to do with conventional digital MCAs, so without calling it a favoritism, it can be said to be a great achievement that shows the performance of this product.

Model
There is 1 model available for this product.

Product
High performance amplifier STX2520

Handling Company
Laboratory Equipment Corporation Co., Ltd.

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Amplifiers

Instrumentation Amplifiers

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1 Models of High performance amplifier STX2520

Image	Part Number	Price (excluding tax)	REAR PANEL Power input	REAR PANEL ZERO adjustment	REAR PANEL RESET	REAR PANEL INHIBIT	REAR PANEL ICR	FRONT PANEL power switch	FRONT PANEL SHAPING	FRONT PANEL POS/NEG	FRONT PANEL OUTPUT	FRONT PANEL LED display	FRONT PANEL INPUT	FRONT PANEL ATT (FINE)	FRONT PANEL ATT (COARSE)
	STX2520	Available upon quote	6V 1A AC adapter	OUTPUT signal ZERO adjustment semi-fixed VR	BNC connector Pulse reset TTL level	BNC connector pile-up reject TTL level	BNC connector INPUT count rate TTL level	Toggle switch	Shaping time switching SW display is 1,2,3,4 4 pieces can be selected from 0.25μ, 0.5μ, 1.0μ, 2.0μ, 4.0μ, 8.0μ when ordering	Input signal polarity switching SW	BNC connector Output voltage 0~+5V Output impedance 50Ω	Lights up when power is turned on	BNC connector Input voltage ±5V (-5V to +5V ramp signal width 10V) Pulse reset compatible Input impedance 1kΩ	Input voltage attenuator SW 10 steps	Input voltage attenuator SW 10 steps

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About Company Handling This Product

Laboratory Equipment Corporation Co., Ltd.

Japan

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High performance amplifier STX2520 Laboratory Equipment Corporation Co., Ltd.

About This Product

■Summary

1 Models of High performance amplifier STX2520

STX2520

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About Company Handling This Product

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High performance amplifier STX2520
Laboratory Equipment Corporation Co., Ltd.