Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. Bit of an old question Olin, but any chance you could expand or point to a question that expands on your second observation?
As Olin says you need to make sure you are measuring the transformer unloaded (make sure nothing at all is attached) secondary voltage correctly, using a multimeter set to AC.
Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site. Not the answer you're looking for?Browse other questions tagged power-supply transformer rectifier or ask your own question. Where can we store our luggage after checking out so we don't have to book an extra hotel night?
Could any type of technological advancement occur among a species with no prehensile limbs? Another thing, from your point of advice, what is a good IC based circuit for a 60 to 70 watts two channel amplifier using single IC.
Hi Patrick connect input coupling capacitor (C1 & C2)to 10K potentiometer and use it as volume control (the input impedance of the IC is quite low). I want to induce a volume control for the above circuit, kindly advise where and what rating to be used.


Hi Adnan you can use it as bridged amplifier to get 80watts of power full detail is available in the following link. Hi Adnan TDA7295 spec says it can give a peak rms of 80 watts into 8 ohms load just for 1 sec. Hi Adnan with 12 volt 1 amp transformer you will be giving 12 watts energy input with 80% efficiency you will get approximately 10 watt out put. A good quality 12 volt 5 amp transformer is the most suited one for this IC to get 22 watts per channel into 4 ohms load. The PSIN06012N is a closed frame switch mode regulated industrial power supply with a 12V DC output at 0 to 5 amps.
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The transformer needs to be rated adequately in order to supply the current without problems.
The IC can be wired in single ended or BTL (Bridge Tied Load) configuration and here in this circuit the later is used.
If 6A bridge is not available in your place you can make one using four 6A6 diodes and there will be no difference. For 4 channels it is insufficient the output will get limitted to 40watts if all the four channels are driven together.


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Make can take volt can reach about 15V maintain one’s position voltage be stable 12V well.
It is perform the equipment , maintain one’s position voltage be stable , or regulated.
LED D2 is added in the circuit as a power ON indicator and resistor R2 limits the current through it. And change the integrated circuit LM309 for regulate about 5V for apply to Digital Circuit general get. My name is aziz, i am from Afghanistan, your website is very goodAdd a Comment Cancel replyYour email address will not be published.



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