Re: 1MHz output impedance query?
You need some DC bias on the base.
The filtery bit has a load resistor, but it also needs a source impedance. You can spec this in the generator description string/wizard, but I like to draw in a discrete resistor so its damned obvious (else I forget it!)
David
__________________
Can't afford the volcanic island yet, but the plans for my monorail and the goons' uniforms are done
|