Heathkit oscilloscope?

Started by Dan Beck in sci.electronics.basics15 years ago 11 replies

Hello all, I have been fooling (emphasis on fool) with an old Heathkit 10 MHz two channel oscilloscope, which I believe was built in 1976 (it...

Hello all, I have been fooling (emphasis on fool) with an old Heathkit 10 MHz two channel oscilloscope, which I believe was built in 1976 (it was given to me several years ago). I have been able to calibrate the voltage on one channel, but not the other. Sometimes, after I have spent some time probing old pinball machine circuit boards using the one good channel, the voltage flakes ...


Cheap oscilloscope kit

Started by Peabody in sci.electronics.basics6 years ago 6 replies

I recently built the JYE Tech DSO-150 Shell oscilloscope kit (#15001K) that I got from Banggood for $24 plus a power supply. These are...

I recently built the JYE Tech DSO-150 Shell oscilloscope kit (#15001K) that I got from Banggood for $24 plus a power supply. These are single-channel, low-frequency scopes, but would be useful for things one might do with an Arduino or similar microcontroller, such as stepper motors and servos, plus of course general audio stuff. The bandwidth spec is 200 kHz, but I suspect the display...


SERVICE MANUAL for Hung Chang Oscilloscope model OS-615S

Started by Miguel Angelo Martins Madureira in sci.electronics.basics16 years ago 2 replies

Hello, sorry if it is off-topic for this group, but I am urgently looking for the service manual for this device. Any help is...

Hello, sorry if it is off-topic for this group, but I am urgently looking for the service manual for this device. Any help is wellcome. Please email me. Thank you.


Filtering generator output?

Started by Anonymous in sci.electronics.basics9 years ago 7 replies

I have a 4500 watt generator that is for emergency use. When it was new I checked the output with an oscilloscope just to see how pure the sine...

I have a 4500 watt generator that is for emergency use. When it was new I checked the output with an oscilloscope just to see how pure the sine wave was and how close to 60 Hz it was. Well, the main sine wave looked good and the frequency was very close to 60 Hz. It floated around a little as the load changed but then would stabilize very close to 60Hz. However, there were lots of other small...


Experiment to show that current leads voltage by 90 degrees in capacitor (Using RC circuit and Oscilloscope)

Started by Anonymous in sci.electronics.basics2 years ago 9 replies

Many books told me that current leads voltage by 90 degrees in capacitor. So, I designed an experiment to show that it is true. You can do the...

Many books told me that current leads voltage by 90 degrees in capacitor. So, I designed an experiment to show that it is true. You can do the experiment at home or in the laboratory. Here is my experiment in youtube: https://www.youtube.com/watch?v=wjQsyLv0X7A