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AMPLITUDE-TO-DIGITAL CONVERTER ADC-USB-8K-W1
INTERFACE OF BUS USB
WILKINSON’ S CONVERSION METHOD

BASIC CONFIGURATIONS
Type
Number of inputs
Number of converters
Resolution
Connectors
Type
Purpose
ADC-USB-8K-W1
(foto)
1
1
2K - 8K
BNC
Analogue input
DB9
Logical inputs

BASIC DATA
Conversion method Wilkinson’ s
Conversion clock frequency 100 MHz
Analogue input signal Polarity Positive
Amplitude 50 mV - 10 V
Rise time > 0.25 µs
Decay time < 100 µs
Input resistance 2 k Ω
Differencial nonlinearity (DNL) < 1 %
Integral nonlinearity (INL) < 0.04 %
Software-adjusted channel width with adjustment step 5 µV
Channel width setting accuracy 5 %
Temperature instability of the channel width < 0.01 %
Channel memory capacity 224 - 1
Real/live time setting accuracy 5 ms
Lower-level discriminator threshold range 30 mV - 10 V
Upper-level discriminator threshold range 100 mV - 10 V
“Ratemeter” input - logical signal with frequency up to 300 kHz +
“Inhibit” input with programmable polarity +
Overall dimensions 215x105x33 mm

RESOLUTION, CHANNEL WIDTH AND NONLINEARITY
Type
Channel width
Resolution (of channels)
Typical values of nonlinearities
INL
DNL
ADC-USB-8K-W1 5 mV - 1.25 mV
2K - 8K
0.01 %
0.5 - 0.8 %

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