QT designed instrumentation -Measure page- Index


click on a subject for information:
Noise&Interference:
noise introduction
interference(1)
interference(2)
noisefloor estimation
noisefloor measurement
Signals & Bandwidth:
measure basics
usefull bandwidth
bandwidth example
cable capacitance
Troubleshooting:
Identifying interference
what is a (ground)loop ?
Interference from equipment
groundstrap limitations
Interference spectra:
general overview
fields in a room
Interference from equipment
Current Measurement :
basic 2wire/4wire
Rshunt versus IV-converter
electronic "4Kelvin resistor"
noise & bandwidth model
noise & bandwidth graph
dc-errors model
Voltage Measurement :
basic 2wire/4wire
4 wire r-measurement
Voltage amp error model
... Misc :
why use special electronics ?
identifying equipment by nr-code
basic measurement setups at QT
sample-wire filters
frequency bands/names (dutch)