S Thread Starter Santa klaus Joined Nov 16, 2014 32 May 5, 2016 #1 How come this transistor conducts when the input doesn't reach 0.6 V and the emitter is at the ground? The green signal is the collector ouput . the blue is the input.
How come this transistor conducts when the input doesn't reach 0.6 V and the emitter is at the ground? The green signal is the collector ouput . the blue is the input.
wayneh Joined Sep 9, 2010 16,538 May 5, 2016 #3 What makes you think the transistor is conducting? The voltage after R1 depends on the current flowing into the oscillator, not the transistor. Take a look at the current across the transistor.
What makes you think the transistor is conducting? The voltage after R1 depends on the current flowing into the oscillator, not the transistor. Take a look at the current across the transistor.
BR-549 Joined Sep 22, 2013 4,938 May 5, 2016 #4 I can't read your circuit......too small and I can not expand it. Now.......does the collector signal come from the transistor junction...............or from the bias resistor?
I can't read your circuit......too small and I can not expand it. Now.......does the collector signal come from the transistor junction...............or from the bias resistor?
BR-549 Joined Sep 22, 2013 4,938 May 5, 2016 #5 Boy....they sure have slowed down on letting you know someone has posted............while you are posting. 8 minutes passed, without informing me.
Boy....they sure have slowed down on letting you know someone has posted............while you are posting. 8 minutes passed, without informing me.
S Thread Starter Santa klaus Joined Nov 16, 2014 32 May 5, 2016 #6 Thanks for your replies , .you're right, i checked the transistor isn't conducting.
wayneh Joined Sep 9, 2010 16,538 May 5, 2016 #7 BR-549 said: 8 minutes passed, without informing me. Click to expand... I've been embarrassed by this a couple times lately. Not enough to suspect something has changed.
BR-549 said: 8 minutes passed, without informing me. Click to expand... I've been embarrassed by this a couple times lately. Not enough to suspect something has changed.