Can LTspice show Cross Over distortion of a class B type amplifiers...
In order to tune crossover distortion, the best is visualizing linearity. Distortion percentage doesn't indicate what to adjust. Le 30/12/2024 à 16:46, aledelaplaza via groups.io a écrit :
Від Jerry Lee Marcel · #157125 ·
Can LTspice show Cross Over distortion of a class B type amplifiers...
...and apply a very low input signal when running the transient test. Le 30/12/2024 à 11:43, John Woodgate a écrit :
Від Jerry Lee Marcel · #157112 ·
Autotransformer deep questions!
Le 29/12/2024 à 21:49, Bell, Dave via groups.io a écrit : That's because the circuit is in transient regime. You have to wait several minutes for the system to be in steady-state. Look how the voltage
Від Jerry Lee Marcel · #157104 ·
Autotransformer deep questions!
Le 27/12/2024 à 00:34, Bell, Dave via groups.io a écrit : This is not true. In the bottom inductor you have all the magnetizing current (about 7A), but in the top inductors there is almost no current,
Від Jerry Lee Marcel · #157080 ·
Autotransformer deep questions!
Le 26/12/2024 à 23:49, Bell, Dave via groups.io a écrit : Impedance of a 100mH inductor at 50Hz=31 ohms 220V into 31 ohms= about 7 amps
Від Jerry Lee Marcel · #157070 ·
Autotransformer deep questions!
Le 26/12/2024 à 21:40, Bell, Dave via groups.io a écrit : Inductance is proportional to N², but voltage is proportional to N. You must redo your inductance calculation.
Від Jerry Lee Marcel · #157065 ·
Autotransformer deep questions!
Two things I notice instantly: Primary voltage should be 311V. Voltages in SPICE are peak. You don't run a 50Hz transient for only 10ms. Le 26/12/2024 à 21:40, Bell, Dave via groups.io a écrit :
Від Jerry Lee Marcel · #157064 ·
LM324 based automatic voltage stabilizer circuit simulation
Le 24/12/2024 à 22:50, John Woodgate a écrit : Unless I misunderstand, it surprizes me, considering LTspice started in 1991 as SwitcherCAD, clearly oriented towards switching regulators. At least, tha
Від Jerry Lee Marcel · #157038 ·
OPA891 / OPA2891 Model Needed
On Sat, Dec 21, 2024 at 04:56 PM, <info@...> wrote: It is a pain to copy the model to every directory with an .asc in it and add the .lib directive to every simulation. I really want to b
Від Jerry Lee Marcel · #157010 ·
Confused, adding a pin to an existing Symbol and .cir
You've forgotte,n to put the symbol and model in your zip file. Le 23/12/2024 à 18:25, Bell, Dave via groups.io a écrit :
Від Jerry Lee Marcel · #157009 ·
Whither 4053_tercio.asy
Le 22/12/2024 à 15:04, eewiz via groups.io a écrit : Except the model and symbol for CD4024 that are needed to run most of the circuits!
Від Jerry Lee Marcel · #156968 ·
how to calculate a filter capacitor by LTSpice ?
LTspice does not "calculate" the value of the capacitor. It simply gives you the operating values with the parameters you have entered. It's up to you to modify whatever value (capacitance, load resis
Від Jerry Lee Marcel · #156839 ·
Modulating a square pulse
You could use a switch; the command signal would be a square wave (could be any kind of repetitive signal of suitable amplitude), and the switch would control the sinewave. Le 13/12/2024 à 22:14, abid
Від Jerry Lee Marcel · #156815 ·
microphone capsule capacitance
Le 05/12/2024 à 18:50, Andy I via groups.io a écrit : Indeed, you're pardoned. 🙂 And many thanks, anyway. To say the least. There is a problem when concision verges towards deficiency. OK, I'll try to
Від Jerry Lee Marcel · #156770 ·
microphone capsule capacitance
Le 05/12/2024 à 14:35, Andy I via groups.io a écrit : Actually I did, many times. Had I not, I wouldn't hav efound references to "Cnnn n1 n2 Q=100p*x" If you say so. Actually I use a GUI that saves me
Від Jerry Lee Marcel · #156765 ·
microphone capsule capacitance
I've looked at the Help, and I'm none the wiser. How is the formula "Cnnn n1 n2 Q=100p*x" included in the schematic? To me it looks like a line in the netlist. Then, should I use Q={75p+2p(cos(1*k(tim
Від Jerry Lee Marcel · #156762 ·
microphone capsule capacitance
I didn't mean 2*pi*cos (1k*time), I meant 2p*cos(1k*time). 2pF mulitplied by cos() .That would have resulted in a frequency of 159Hz, but at the time I didn't care. Anyway, it doesn't work like I woul
Від Jerry Lee Marcel · #156746 ·
microphone capsule capacitance
Trying to simulate a microphone capsule, which capacitance varies sinusoidally. LTspice rejects my syntax. File globalrecordsRF mic.asc uploaded to Temp
Від Jerry Lee Marcel · #156738 ·
X axis limits.
Isn't it similar to stting .tran 16 16.000000000000001? I must say under this form it's easy to forget or add an unwanted zero... Le 03/12/2024 à 04:22, Andy I via groups.io a écrit :
Від Jerry Lee Marcel · #156714 ·
Zener voltage of b-e junction
As Andy wrote, failure analysis is not what LTspice is about. Still I maintain that when ignored parameters result in wildly different behaviour between sim and real life, it is wise to investigate th
Від Jerry Lee Marcel · #156566 ·