SeventhCircle
Member
What topics would you include? What would you stress? What seemed most confusing to you when you were getting started? What questions do you still have? Any suggestions you have would be appreciated.
Audio Electronics Tutorial
- Thread starter SeventhCircle
- Start date
Help Support GroupDIY Audio Forum:
Kev
Well-known member
wow
I can't remember that far back ... :roll:
ohms law - sure
Keep people aware that there is a DC world and an AC world. The AC world can go up .. up into the gig stuff.
Even though our world is now driven by chips and opamps and now digital stuff ... the simple transistor has much to offer.
Why does a transistor conduct ?
When it does - how much current and where does the current go ... ?
Load ?
Current draw
output imp and input imp ... ?
Are you going to include digital ?
all I have for now ... :roll:
I can't remember that far back ... :roll:
ohms law - sure
Keep people aware that there is a DC world and an AC world. The AC world can go up .. up into the gig stuff.
Even though our world is now driven by chips and opamps and now digital stuff ... the simple transistor has much to offer.
Why does a transistor conduct ?
When it does - how much current and where does the current go ... ?
Load ?
Current draw
output imp and input imp ... ?
Are you going to include digital ?
all I have for now ... :roll:
tmbg
Well-known member
Thevenin equivalence! When that lightbulb went on, everything got a lot easier for me.
Isn't that something you'd find in The Art Of Electronics or stuff like that?
I'm still wondering to get me some decent reading for the coming holidays.
Didn't want to hack the thread, just curious to find out if questions like 7thC asks aren't included in TAOE...
SeventCircle, if it doesn't exist you just found yourself a big hole in the market as i would buy a book what answers to what you/we want to know. Bundle the results of this thread for a technobestseller :thumb:
Cheers,
Tony
I'm still wondering to get me some decent reading for the coming holidays.
Didn't want to hack the thread, just curious to find out if questions like 7thC asks aren't included in TAOE...
SeventCircle, if it doesn't exist you just found yourself a big hole in the market as i would buy a book what answers to what you/we want to know. Bundle the results of this thread for a technobestseller :thumb:
Cheers,
Tony
tmbg
Well-known member
The Art Of Electronics is by far the best read. It solved all my nagging mind-blocks 
Mark Burnley
Well-known member
Practical work.
Breadboarding on plugblock boards. Building small stuff on veroboard. Handling the components, getting to know resistor colour codes, and how to read cap values etc. Making mistakes and killing stuff. This also helps getting to see the difference between a schematic and a real world layout...this can be tough at first when you try and "morph" a schematic onto a PCB or vice-versa.
Ohms law /power equations/ pot-divider equations/ series+parallel R's and C's all essential!!
And transistors...design of CE stages and simple switching controlling relays/LED's etc.
Op-amps are glamourous, but transistors and m^2l are too useful to miss out on :grin:
Mark
Breadboarding on plugblock boards. Building small stuff on veroboard. Handling the components, getting to know resistor colour codes, and how to read cap values etc. Making mistakes and killing stuff. This also helps getting to see the difference between a schematic and a real world layout...this can be tough at first when you try and "morph" a schematic onto a PCB or vice-versa.
Ohms law /power equations/ pot-divider equations/ series+parallel R's and C's all essential!!
And transistors...design of CE stages and simple switching controlling relays/LED's etc.
Op-amps are glamourous, but transistors and m^2l are too useful to miss out on :grin:
Mark
bradzatitagain
Well-known member
- Joined
- Oct 7, 2004
- Messages
- 295
Practical tube circuit design, forthright and somewhat simply put. RDH4 is great but was super intimidating when I first got a copy. TubeCad Journal is too elevated for someone starting out. Understanding tube characteristic curves and simple understanding of a tube manual. Not much out there to help in this regard, even Crowhurst. I blew up my share of caps trying to figure this stuff out, suprised I didn't electrocute myself straight into the next world.
G
Guest
Guest
I just ordered <i>The Art of Electronics</i> @ Amazon used for $35.
Thanks for the reminder!
kb
Thanks for the reminder!
kb
bluebird
Well-known member
If the target group is going to mainly be audio minded people, I suggest starting out with a very simple project that is usable. Something like a one or two transistor distortion peddal.
explaining simple theory along the way will make the process fun. Use parts availible at radio shack.
If something wasn't hands on, I would usually forget or loose interest in the theory part.
explaining simple theory along the way will make the process fun. Use parts availible at radio shack.
If something wasn't hands on, I would usually forget or loose interest in the theory part.
CJ
Well-known member
Structure of matter
Resistance-Ohms Law
Capacitance-Reactance
Inductance-Reactance-Chokes-Transformers
Vacuum Tube Theory
Semiconductor Theory-PN Junction
Power Supplies-Vacuum Tube and Solid State
Transistor Theory
Amplification
Oscillation-Astable Multivibrators-Hartley-Collpits
RF Theory-AM and FM
Logical Trouble Shooting
TV Theory
Logic
Lab Work-Instrument Use-Safety
Fabrication of Chassis
That is close to the path I was led down.
:guinness:
Resistance-Ohms Law
Capacitance-Reactance
Inductance-Reactance-Chokes-Transformers
Vacuum Tube Theory
Semiconductor Theory-PN Junction
Power Supplies-Vacuum Tube and Solid State
Transistor Theory
Amplification
Oscillation-Astable Multivibrators-Hartley-Collpits
RF Theory-AM and FM
Logical Trouble Shooting
TV Theory
Logic
Lab Work-Instrument Use-Safety
Fabrication of Chassis
That is close to the path I was led down.
:guinness:
G
Guest
Guest
[quote author="bluebird"]If the target group is going to mainly be audio minded people, I suggest starting out with a very simple project that is usable. Something like a one or two transistor distortion pedal.[/quote]
I think this is crucial. And trust me, I'm the guy you're doing this for. :grin: Still, Tim, I think you (or anybody, for that matter) would sell a ton more kits if the theory were related to, say, an A12 or something relatively simple like that. Do the troubleshooting voltages as you go. Lots of pictures for everything. Also, I think language and tone are going to be key. I've been through almost every kit, and still the best instructions I've run accross are Paia's. Made for the dummy...me. I think the vocabulary and semantics will be as important as the content. I mean, some people have a knack for making simple things complicated and vice-versa. I dunno. My $.02.
I think this is crucial. And trust me, I'm the guy you're doing this for. :grin: Still, Tim, I think you (or anybody, for that matter) would sell a ton more kits if the theory were related to, say, an A12 or something relatively simple like that. Do the troubleshooting voltages as you go. Lots of pictures for everything. Also, I think language and tone are going to be key. I've been through almost every kit, and still the best instructions I've run accross are Paia's. Made for the dummy...me. I think the vocabulary and semantics will be as important as the content. I mean, some people have a knack for making simple things complicated and vice-versa. I dunno. My $.02.
mwkeene
Well-known member
First and second order lowpass and hipass filters. Bandpass and Notch filters. Perhaps some theory on relating transfer function and frequency response equations for these filters to bode plots, and what components to use. I would probably also talk about op amp circuits and ADC/DAC circuits. Capacitance and resistance in cables is pretty important too.
-Mike
-Mike
Steve Jones
Well-known member
How to understand the role of the signal generator, oscilloscope and multimeter in audio faultfinding and setting up.
G
Guest
Guest
Perhaps something even more basic - and something I am embarrased to say that I really do not understand (to be quite honest - I haven't a clue)
I can copy, build and solder these circuits and have a fair idea of what you guys are talking about (apart from Impedance - still do not understand it at all..)
Capacitors, resistors, transformers - are read and digested - there are good web sites about these and they are fairly easy to learn (those English school sites do very well on these subjects) - I know what happens and why...
But here is the big thing....
What the blooming hell is passing through the circuit?
A microphone pics up sound waves and converts them into what??
voltage?? (every single tutorial and book just assumes that you know this...)
If you sing louder do you get more voltage - if you sing lower do you get less voltage...?
If you sing in the bass register or in the soprano register - how the hell is this difference converted into some electrical signal - and how do the circuits know what to do with it
I know all about sine waves and everything that people use to show stuff in circuits - but that is a diagram - what actually is happening? What causes the sine wave to happen - or is that just a pictoral representation...
It would be nice to have a end to end diagram of a signal through all the different blocks - e.g. mic pre, eq, compression, reverb, summing, and pan pot with stuff like
voltage = x, current = x now this happens so it looks like this
voltage = x, current = x...
And the reason it's a sine wave is this...
Just my idea - this is the stuff I really don't know...
All the subjects mentioned above will then fall into place very nicely thank you...
I can copy, build and solder these circuits and have a fair idea of what you guys are talking about (apart from Impedance - still do not understand it at all..)
Capacitors, resistors, transformers - are read and digested - there are good web sites about these and they are fairly easy to learn (those English school sites do very well on these subjects) - I know what happens and why...
But here is the big thing....
What the blooming hell is passing through the circuit?
A microphone pics up sound waves and converts them into what??
voltage?? (every single tutorial and book just assumes that you know this...)
If you sing louder do you get more voltage - if you sing lower do you get less voltage...?
If you sing in the bass register or in the soprano register - how the hell is this difference converted into some electrical signal - and how do the circuits know what to do with it
I know all about sine waves and everything that people use to show stuff in circuits - but that is a diagram - what actually is happening? What causes the sine wave to happen - or is that just a pictoral representation...
It would be nice to have a end to end diagram of a signal through all the different blocks - e.g. mic pre, eq, compression, reverb, summing, and pan pot with stuff like
voltage = x, current = x now this happens so it looks like this
voltage = x, current = x...
And the reason it's a sine wave is this...
Just my idea - this is the stuff I really don't know...
All the subjects mentioned above will then fall into place very nicely thank you...
i agree 95 % with you on the above...
what always seems so "invisible" to me is stuff like; what are electrons, how do they look, and what makes them do things we can hear etc...
i would like to visualise all the components functions... not any people seem to be able to do this.
I'm afraid this comes from an overly "seeing is believing" background, but in all honesty, i think i should have less difficulties in understanding projects if i could like "see" them.
what always seems so "invisible" to me is stuff like; what are electrons, how do they look, and what makes them do things we can hear etc...
i would like to visualise all the components functions... not any people seem to be able to do this.
I'm afraid this comes from an overly "seeing is believing" background, but in all honesty, i think i should have less difficulties in understanding projects if i could like "see" them.
G
Guest
Guest
[quote author="uk03878"]
What the blooming hell is passing through the circuit?
A microphone pics up sound waves and converts them into what??
voltage?? (every single tutorial and book just assumes that you know this...)
If you sing louder do you get more voltage - if you sing lower do you get less voltage...?
If you sing in the bass register or in the soprano register - how the hell is this difference converted into some electrical signal - and how do the circuits know what to do with it
I know all about sine waves and everything that people use to show stuff in circuits - but that is a diagram - what actually is happening? What causes the sine wave to happen - or is that just a pictoral representation...
It would be nice to have a end to end diagram of a signal through all the different blocks - e.g. mic pre, eq, compression, reverb, summing, and pan pot with stuff like
voltage = x, current = x now this happens so it looks like this
voltage = x, current = x...
And the reason it's a sine wave is this...
Just my idea - this is the stuff I really don't know...
All the subjects mentioned above will then fall into place very nicely thank you...[/quote][/b]
What the blooming hell is passing through the circuit?
A microphone pics up sound waves and converts them into what??
voltage?? (every single tutorial and book just assumes that you know this...)
If you sing louder do you get more voltage - if you sing lower do you get less voltage...?
If you sing in the bass register or in the soprano register - how the hell is this difference converted into some electrical signal - and how do the circuits know what to do with it
I know all about sine waves and everything that people use to show stuff in circuits - but that is a diagram - what actually is happening? What causes the sine wave to happen - or is that just a pictoral representation...
It would be nice to have a end to end diagram of a signal through all the different blocks - e.g. mic pre, eq, compression, reverb, summing, and pan pot with stuff like
voltage = x, current = x now this happens so it looks like this
voltage = x, current = x...
And the reason it's a sine wave is this...
Just my idea - this is the stuff I really don't know...
All the subjects mentioned above will then fall into place very nicely thank you...[/quote][/b]
G
Guest
Guest
[quote author="uk03878"]
What the blooming hell is passing through the circuit?
A microphone pics up sound waves and converts them into what??
voltage?? (every single tutorial and book just assumes that you know this...)
If you sing louder do you get more voltage - if you sing lower do you get less voltage...?
If you sing in the bass register or in the soprano register - how the hell is this difference converted into some electrical signal - and how do the circuits know what to do with it
I know all about sine waves and everything that people use to show stuff in circuits - but that is a diagram - what actually is happening? What causes the sine wave to happen - or is that just a pictoral representation...
It would be nice to have a end to end diagram of a signal through all the different blocks - e.g. mic pre, eq, compression, reverb, summing, and pan pot with stuff like
voltage = x, current = x now this happens so it looks like this
voltage = x, current = x...
And the reason it's a sine wave is this...
Just my idea - this is the stuff I really don't know...
All the subjects mentioned above will then fall into place very nicely thank you...[/quote]
Bingo!
What the blooming hell is passing through the circuit?
A microphone pics up sound waves and converts them into what??
voltage?? (every single tutorial and book just assumes that you know this...)
If you sing louder do you get more voltage - if you sing lower do you get less voltage...?
If you sing in the bass register or in the soprano register - how the hell is this difference converted into some electrical signal - and how do the circuits know what to do with it
I know all about sine waves and everything that people use to show stuff in circuits - but that is a diagram - what actually is happening? What causes the sine wave to happen - or is that just a pictoral representation...
It would be nice to have a end to end diagram of a signal through all the different blocks - e.g. mic pre, eq, compression, reverb, summing, and pan pot with stuff like
voltage = x, current = x now this happens so it looks like this
voltage = x, current = x...
And the reason it's a sine wave is this...
Just my idea - this is the stuff I really don't know...
All the subjects mentioned above will then fall into place very nicely thank you...[/quote]
Bingo!
SeventhCircle
Member
OK, terrific stuff. Something else I suspect a lot of people aren't really clear on is the whole notion of the decibel. Am I right about that?
NewYorkDave
Well-known member
God yes, that's putting it mildly.
