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I tried by picking two files and placing LTs directory and adding '.include TL072.301', shown here But got same error message (failed.GIF of above) so I loaded whole mega pack to the LTS at once, to get it working.My advice to you as a newcomer to LTS , is not to 'bloat' your folders with unwanted models, just add models as required as you learn.
I yahoo group is not cellphone browser friendly (Java Operamini). I am totally depended to cellphone browser as a internet connection. Connecting cellphone to computer as modem is deadly charges cost.Are you a member of the Yahoo/LTspice user group.? It is free to join, it has many tutorials and models.
I already had posted my LTS's root folders. Maybe you missed my #17 post. here again.Could you post an image of your LTSpice folder tree.??
Does the LM324 performing good around 1MHz? Plot seems not so bad with LM324 but people used to say it's horrible OpAmp for audio. Maybe I need to learn something about dB measurement to understand at least which is normal dB level and which is extremely low.Hi.
Ref your asc file, I used my LM324 model.
The AC plot solid line is the 'gain' response of the amplifier and the dotted line is the 'phase' response of the amp.
Oh yes, then the relation between two files is located to the internal codes inside, instead of file name.hi,
Got your Folder Tree
Use your Windows Search to find the matching SUB and ASY file Names
1) Some models just need to place in sub and sym folder then it starts to work normally (like I used LMXXXX and TL431 regulators). But why some models need to use .include function?
2) How you created a jumpers? You marked V+ in red color at +9V Voltage source and marked just same V+ in OpAmp supply instead of wires to the +9V. Seems easy trick.
The circuit was fixed to mix Microphone plus music and amplified with 'pre-emphasis' for a FM transmitter project.
Hi, many engineers said that the north America use 75uS and Europe, Australia and other newly introduced countries to FM etc use 50uS. I am South-East Asian so I guessed we use 50uS. I didn't hear about 10.2uS pre-emphasis till now. I know nothing too.I thought the US pre-emphasis time constant was 75 us. Yours is 10.2 us.
ak
Hi etech,
100% agreement on that point when sharing, but IMO would not recommend it as a regular method to the OP, as it quickly becomes a littered folder.
Most users I interact with use the LTSpice example of having a sub folder in the Program Files/LTS, whatever works for the user is OK.
Eric
...<pre-emphasis calculation>...
Hi,For 50 us change the capacitor to 33 nF.
ak