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This is assembeld and tested linear power supply board
the output voltage can be minute adjustment . it is very easy! add one suitable transformer. you will can built a Hi-end Linear Power supply.Note: The two MOSFETs IRF9Z24N need add heatsink. if just need small current. it also can be fixed at the the bottom of the aluminum chassis for cooling. if need current more than 2A. then need add extra heatsink.if the heatsink and transformer power is enough big.the max output currect can arrived 8A.
we have the following voltage for choose:1: DC3.3V (recommned input AC7V)
2: DC5V (Recommned input AC12V)
3: DC7V (Recommend input AC14V)
4: DC9V (Recommend input AC15V)
5: DC12V (Recommend input AC18V)6: DC15V (Recommend input AC20V)
7: DC16V (Recommend input AC21V)
8: DC18V (Recommend input AC23V)
9: DC19V (Recommend input AC24V)
10:DC20V (Recommend input AC25V)
11: DC24V (Recommend input AC28V)
12: DC28V (Recommend input AC30V)
pls tell us which one do you need when pls an order
This is a high-performance single-rail linear regulated power supply (PSU). It is basically half the dual-rail PSU 22, and possesses the same low-noise, high-current, excellent line/load regulation, wide-bandwidth, and stability characteristics. S22 is ideal for DIY stereo headphone amplifiers, preamplifiers, DACs, network media players, and other applications requiring a single-rail regulated PSU.
The circuit uses all discrete components (no integrated circuits), and features high-current MOSFETs as the output “pass” devices.
this PSU is derived from the 22, which is the result of a community service project for the audiophile hobbyist. The schematic diagram is open source. The circuit design, as well as the printed circuit board layout are the work of AMB with participation from the DIY community. It is designed to be relatively easy to build, but it is not recommended as a first-time project for the beginner.
we can provide the pdf schematic via email.
Shipping time:Defaultsend by air mail,about 8-15 business days can arrive most of europe countries,Russia, Brazil,Africa.Ukraine and some other remote countries will need somemore days.Ifyou need it urgently,also can contact us for adding money using a fastercourier(EMS,DHL,UPS or courier you designated)Payment:We ONLY accept PayPal. Payment must be made within 3 days of theauction end time. Non-Paying bidders will be reported.All items will be shipped within 1-3 business days (fromchina)upon receipt of payment.We ONLY send item to buyer’s registered Paypal address,Buyer mustbe responsible for their postal addressCustoms & duties:For cross-border transactions,.we are notresponsible for tariffs and duties. However, buyers may be responsible for actual, applicable tariffs, and duties asrequested by respective country laws Return &Exchange:>>Some items return is accepted within 7 days after the buyer’s receiving theitem.(please see the detail describe)[In case of DOA (Dead on Arrival), pleasereport within 3 days]>>Returned item has to be new, unworn and in its original condition.
>> After getting the returned item, we will refund the customer at theitem’s price ( excluding the shipping costs to and from )
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Category: Sound and Vision:Home Audio and HiFi Separates:Amplifiers and Pre-Amps
Location: GUANGZHOU