![operational amplifier - Why does does the power supply in my op-amp circuit need to be connected to ground? - Electrical Engineering Stack Exchange operational amplifier - Why does does the power supply in my op-amp circuit need to be connected to ground? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/miTxr.png)
operational amplifier - Why does does the power supply in my op-amp circuit need to be connected to ground? - Electrical Engineering Stack Exchange
![Amazon.com: Facmogu F900S 160W Mini Bluetooth 5.0 Power Amplifier, 2 Channel 80Wx2 Stereo Hi-Fi Digital Amp, Portable Wireless Audio Receiver Sound Speaker Amplifer, AUX/USB/Bluetooth Input & 12V Power Supply : Electronics Amazon.com: Facmogu F900S 160W Mini Bluetooth 5.0 Power Amplifier, 2 Channel 80Wx2 Stereo Hi-Fi Digital Amp, Portable Wireless Audio Receiver Sound Speaker Amplifer, AUX/USB/Bluetooth Input & 12V Power Supply : Electronics](https://m.media-amazon.com/images/I/81RoOaEu1bL.jpg)
Amazon.com: Facmogu F900S 160W Mini Bluetooth 5.0 Power Amplifier, 2 Channel 80Wx2 Stereo Hi-Fi Digital Amp, Portable Wireless Audio Receiver Sound Speaker Amplifer, AUX/USB/Bluetooth Input & 12V Power Supply : Electronics
![High power gallbladder switch power supply KT88 300B electronic tube power amplifier stabilized voltage can be customized volta High power gallbladder switch power supply KT88 300B electronic tube power amplifier stabilized voltage can be customized volta](https://ae01.alicdn.com/kf/HTB1PBYZaQT2gK0jSZPcq6AKkpXaU/High-power-gallbladder-switch-power-supply-KT88-300B-electronic-tube-power-amplifier-stabilized-voltage-can-be.jpg)
High power gallbladder switch power supply KT88 300B electronic tube power amplifier stabilized voltage can be customized volta
![1000W Amplifier Power Supply 1500W 2000W 3000W SPMS PSU HIFI LLC Switch Amp Speaker Audio Power Supply Board Dual DC Output - AliExpress 1000W Amplifier Power Supply 1500W 2000W 3000W SPMS PSU HIFI LLC Switch Amp Speaker Audio Power Supply Board Dual DC Output - AliExpress](https://ae01.alicdn.com/kf/H25909022f5f4495a8291087e8c08a4ddI/1000W-Amplifier-Power-Supply-1500W-2000W-3000W-SPMS-PSU-HIFI-LLC-Switch-Amp-Speaker-Audio-Power.jpg)
1000W Amplifier Power Supply 1500W 2000W 3000W SPMS PSU HIFI LLC Switch Amp Speaker Audio Power Supply Board Dual DC Output - AliExpress
![FPC Multi Voltage Dual Power Supply Rail For Audio Amplifiers Power Supply Electronic Hobby Kit Price in India - Buy FPC Multi Voltage Dual Power Supply Rail For Audio Amplifiers Power Supply FPC Multi Voltage Dual Power Supply Rail For Audio Amplifiers Power Supply Electronic Hobby Kit Price in India - Buy FPC Multi Voltage Dual Power Supply Rail For Audio Amplifiers Power Supply](https://rukminim2.flixcart.com/image/850/1000/l0jwbrk0/electronic-hobby-kit/g/h/e/multi-voltage-dual-power-supply-rail-for-audio-amplifiers-fpc-original-imagcbak9smuregs.jpeg?q=20&crop=false)