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Here is the circuit:
Please help me to suggest the formula to calculate Avf parameter in this circuit? Avf mean voltage gain with feedback.
Best regard! Any ideas would be great!
Here is the block diagram:
Still now, I'm stuck on following questions:
- In general, what's the different of IF stage and BandPass Filter?
- Why do we use 2 IF stages? (to eliminate image frequency? If right, please give me an explanation)
Please help me. Any ideas would be great!
Here is the circuit:
And I'm stuck on following questions:
- If P3.4 =0 P3.5 =0, or P3.4 =1 P3.5 =1, or P3.4 =1 P3.5 =0, or P3.4 =0 P3.5 =1, what's the value of VDD and VPP.
- What's the role of zener 5.6V and zener 12V on this circuit.
Please help me. Any ideas would be great!
(of course...
hfe parameter of bjt transistor
In any bjt datasheet, we see hfe parameter is a variant parameter because it depends on temparature. Of course, in an analog circuit we would like it mostly invariant. How can we do it?
I really need an answer about it. I think the only thing I don't understand...
In the datasheet, hfe parameter is a variant quantity. Of course, in real circuit hfe should an invariant quantity. How to fix it ? Please give me an example about a circuit in which hfe quantity is mostly invariant.
My second question is: "what's the meaning of Cob parameter?"
I appreciate any...
The following code creates a Simulink model that has a green canvas and a hidden toolbar and uses the ode3 solver:
function new_model(modelname)
if nargin == 0
modelname = 'my_untitled';
end
open_system(new_system(modelname));
set_param(modelname, 'ScreenColor', 'green');
set_param(modelname...
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