Try not to kill myself.

Before I kill myself I thought I will ask the experts here first.

How do one measure impedence of a digital interconnect?
I wonder if my interconnects are actually rated 75 Ohms.
What about the voltage output of CD players.

Could this be simply done using a normal multimeter?

 

No easy way I know. If you had an LCR meter [which few have]
you could measure inductance and capacitance.

The impedance is approx:

squareroot (Inductance/capacitance)

if you ignore series resistance and leakage, which you can
safely do.

Multimeters do not read AC volts faster than 100Hz or so

 

to measure impedance you need an A.C source so a multimeter wont do,as for the output level of a cd player,depends on the meter,how sensitive it is,and wether it measures rms or peak voltage.Best tool for the job is an oscalascope but they aint cheap,you could try a free software scope but not sure how acurate they are
Free software test equipment

 

Wow thanks for the speedy replies.

Suspected as much that it is not easy without the proper equipment. Need to read more about it. Missing my friends from uni in electronics.




The softwares in the link look interesting.