Is there a VHF AC model for a BJT collector feedback bias ci

K

Kevin

Guest
Hi,
I know what the AC model for a CE amp looks like using the R1//R2 voltage
divider etc..
But what does the AC model for a similar CE amp using collector feedback
bias look like?

Cheers,
Kevin.
 
Kevin wrote:
Hi,
I know what the AC model for a CE amp looks like using the R1//R2 voltage
divider etc..
But what does the AC model for a similar CE amp using collector feedback
bias look like?

Cheers,
Kevin.
Click to expand...
It looks like any other schematic with resistors, capacitors, and
current controlled current sources- what do you think it looks like...
 
Hi Fred,
Your very smart arn't you?
They must have let you out for the day!

"Fred Bloggs" <nospam@nospam.com> wrote in message
news:4287787C.4060301@nospam.com...
Kevin wrote:
Hi,
I know what the AC model for a CE amp looks like using the R1//R2 voltage
divider etc..
But what does the AC model for a similar CE amp using collector feedback
bias look like?

Cheers,
Kevin.

It looks like any other schematic with resistors, capacitors, and current
controlled current sources- what do you think it looks like...
Click to expand...
 
How hard is it to AC_GND all DC sources, maintain all discrete component
connections to e-b-c terminals, and then substitute hybrid-pi components
for the transistor?

Kevin wrote:
Hi Fred,
Your very smart arn't you?
They must have let you out for the day!

"Fred Bloggs" <nospam@nospam.com> wrote in message
news:4287787C.4060301@nospam.com...


Kevin wrote:

Hi,
I know what the AC model for a CE amp looks like using the R1//R2 voltage
divider etc..
But what does the AC model for a similar CE amp using collector feedback
bias look like?

Cheers,
Kevin.

It looks like any other schematic with resistors, capacitors, and current
controlled current sources- what do you think it looks like...
Click to expand...
 
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