How to make a bipolar power supply from a single-polar one using the LM358 op amp

Опубликовано: 27 Сентябрь 2026
на канале: Serg St
1,028
40

🎥 Video 2 - How to create a dual-polar power supply using an LM358 operational amplifier from a single-polar power supply
What is a dual-polar power supply and how can it be implemented from a single-polar power supply using an LM358 op amp?
☑️ Check out my Telegram channel, ABC of Radio Circuits https://t.me/+CNazvgf5-tkwMjZi
This video is the first in a series on dual-polar power supplies, the full versions of which will be available on this YouTube channel, ABC of Radio Circuits. As always, the circuits will be simple and very clear. To keep up with these videos, I recommend subscribing to my channel if you haven't already.
Below are recommended videos:
Previous video    • Что такое Двухполярное питание и как прост...  
🔳 Buffer: A simple and useful circuit using an operational amplifier - recovering a weak signal    • 🔳 Буфер Простая  и полезная СХЕМА с примен...  

1. 🔶 Why short-circuit the input and output of an amplifier or an operational amplifier in BUFFER mode from the UTSOURCE website -    • Зачем замыкать Вход и Выход Усилителя или ...  
2. 🔶 A simple and useful circuit using an operational amplifier - short-circuit the input and output, option 2 -    • 🔶 Простая  и Полезная СХЕМА с применением ...  
3. 🔶 Buffer: A simple and useful circuit using an operational amplifier - recovering a weak signal -    • 🔳 Буфер Простая  и полезная СХЕМА с примен...  
4. 💠 Review of an inexpensive and excellent switching power supply - a kit suitable for both adults and children --    • 💠 Обзор недорогой и отличный Импульсный Бл...  
5. 💠 What is the current stabilization mode in a power supply in practice -    • Что такое режим Стабилизация тока в Блоке ...  

Simple testing of optocouplers using the PC817 as an example
Operating principle and application of the popular TL431 stabilizer
Reference data
Electronics for beginners

Link where I bought this power supply with a discount and free shipping https://alii.pub/6ul1ds
© My Telegram Channel https://t.me/azbuka_radioshem
Sales and discounts on products up to 90% http://alii.pub/6i5ix5

☀️ If you want to help my Serg St channel ☀️
My Privat Bank account
Internet card 4731 1856 0516 2525
Payment card 4149 4998 0125 0463
On Sergey Stepanov
Useful things for your workshop

Milesey NCV Digital Multimeter http://alii.pub/6i0n46
MESTEK DM90 Digital Multimeter http://alii.pub/6i0na7
NJTY Smart Ultra-thin Digital Multimeter http://alii.pub/6i0r6z

120V/60V/30V 10A Laboratory Power Supply http://alii.pub/6i1ax3
KUAIQU 120V/60V/30V 10A Laboratory Power Supply http://alii.pub/6i1bab

Large selection of soldering mats http://alli.pub/6i2wcm
Soldering mat at a great price http://alli.pub/6i2wup
Is it possible to order goods from AliExpress to Ukraine?
The Chinese marketplace AliExpress will resume shipping to Ukraine on June 15th. Parcels will be available
via Ukrposhta or Nova Poshta. This was announced by the postal operators themselves. Ukrposhta clarified that delivery
will be made in transit through "one of the EU countries."

☑️ YouTube Azbuka RS ---    / @azbuka_radioshem  
☑️ My Website ------------- http://schip.com.ua/
☑️ Facebook ----   / 449508743868980  
☑️ My Telegram ---- https://t.me/+JY7jODSB4Ss4YTky
☑️ My Instagram ---------------   / sergsv1  
☑️ My Tik Tok ----------------- www.tiktok.com/@azbuka_radioshem