HI PIC  Engineers.

I am using pic16c62 portb as output
I am driving LEDS and one buzzer.
Buzzer gets distorted signal.
I checked with digital scope I get this





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 I use  BSF    portb,RB3        ; sound when is high


My question is when you set any bit high shouldn't I get
clean 5 v signal or to have little distortion is normal.

How do you use buzzers with pics.


                                thank you

Andre