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You're right.
But surely you know that there is noise, temperature drift and so forth
and also a technique to suppress them, zeroing, calibration, mathematical methods etc.
But things.
The device is actually chemical analyzer, but technical is it 6.5 Digit precision voltmeter designed Agilent...
I am trying to understand an old meter and to propose similar with to today's components.
With the majority of the problem I have counseled, but at the amplifier more than fumble
Few words of introduction Amplifier is substantially
DC amplifier with Gain 1,10,100 (switching resistor in RSW1)...
I have heating element with integrated thermocouple K, total 8pcs.
For the measurement of temperature used MCU ADC.
To amplify the voltage from the thermocouple 8x zero drift amplifier any as AD8629 (as differential amplifier)
The temperature of the cold end, I will measure any sensor, for...
What type of capacitor recommended to use the DC decoupling?
Frequency over 10MHz , current max 3A
https://obrazki.elektroda.pl/5165534000_1398030740.png
What capacitor to use?
I would like to use in a new project ARM Cortex M4 from ST, more STM32F303.
Can you recommend a sample project with this processor, a project which would see minimal involvement of the MCU,
OK this is for my application too expensive.
I'll try to assemble the filter of crystals.
The chance to assemble such a filter the crystals bought on **broken link removed**?
Another question as simple as free vector analyzer to measure the parameters of the crystal?
I need a filter for shaping the output sine wave of 10 MHz OCXO,
I would use 5-7 pole crystal filter, but collecting crystals for such a filter is quite a pain in the butt.
There is a similar filter with less demands on space time and money
Some time to deal with the idea of building a laboratory source 0-50V approx cca100W / module.
The original idea was transformer 230/50V -> step-down converter -> linear regulators.
This arrangement would provide good efficiency, high accuracy and low noise.
Module could be up to 4 pieces...
I need measure current on HV line, voltage on line maybe 0-10kV , current 0-25A, pulse lenght order of ten us.
I thing about Rogowski coil, but I could find no guidance on the design Rogowski coil.
Material core?
Number of turn?
any matematic about Rogowski coil?
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