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Hi,
I am trying to design a boost converter using the UCC28 part and im getting some suboscillation on the inductor current and FET Gate. I tried to compensate the slope by following the guidelines from the datasheet but I cant get rid of it completely. The intention is to run this converter in...
Hello,
how would be the method to simulate the thermal drift in an op-amp with the SPICE macromodel?
I pretend to simulate the -40 to 85 ºC behaviour of the circuit and i think the op-amp macromodel doesnt have any parameter dependant with the temperature.
Hi. At this app note of microchip i saw in page 9 a colpitts configuration that i dont understand. It says:
"the crystal grounds the gate at the series resonant frequency of the crystal, permitting the loop to have sufficient gain to sustain oscillations at that frequency only."
If it is...
Re: Impedance matching
For flyhigh
I have seen in some designs that they put a resistive load at the emitter (AC bypassed by a capacitor) to low the gain, other put a resistance in parallel in the output port. I guess this is the techniques you mean for doing stable designs, isnt it?
Hello,
i'm trying to match the input and the output stage of a VHF pre-amplifier using simulation in ADS. When i match the output stage everything is ok but when i try to match the input, the output is no longer matched, the gain drops and the stability factor also drops below unity. I guess...
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