Hello all,
I have searched but couldn't find the answer to my question (or I haven't searched correctly...). I hope that you can help me and give me some insight.
I have a 230Vac to 6Vac adaptor. When using a multimeter for checking the adaptor its output I get a reading of ~7Vac (ok, its 1Vac higher than it says on the adaptor but I don't mind). However, when measuring with my scope I see something which I didn't expect. I get an (imperfect, ok) sine wave which measures only 2 Vpp... I expected to see at my scope ~20Vpp (i.e. 2* [7 * sqrt(2)] = 9.9 V). It seems it doesn't matter whether or not I load the adaptor.
What am I missing?
Kind regards,
Arjan
I have searched but couldn't find the answer to my question (or I haven't searched correctly...). I hope that you can help me and give me some insight.
I have a 230Vac to 6Vac adaptor. When using a multimeter for checking the adaptor its output I get a reading of ~7Vac (ok, its 1Vac higher than it says on the adaptor but I don't mind). However, when measuring with my scope I see something which I didn't expect. I get an (imperfect, ok) sine wave which measures only 2 Vpp... I expected to see at my scope ~20Vpp (i.e. 2* [7 * sqrt(2)] = 9.9 V). It seems it doesn't matter whether or not I load the adaptor.
What am I missing?
Kind regards,
Arjan