Hello all,
sorry for refreshing this old topic, but I haven't solved this issue yet (I had a little break).
I've modified my circuit, but it still doesn't work properly.
To display signals I use digital scope (sound card + visual analyser).
My circuit (A, B, C are measuring points):
Transformer output voltage (point A):
Negative input voltage (point B):
Transformer output voltage (point A) and output voltage (point B):
Negative input voltage (point B) and output voltage (point B):
My question:
1. Why negative input voltage (point B) is not a sine wave? It looks like voltage measured on diode.
2. Could be this voltage a reason of inappropriate output voltage (intentionally it should be square wave - described in my previous post) ?
3. If not - what should I modify?
Thanks in advance for your reply,
regards
Michal