![operational amplifier - Using an active bandpass on a very small signal - Electrical Engineering Stack Exchange operational amplifier - Using an active bandpass on a very small signal - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/5Kqg4.png)
operational amplifier - Using an active bandpass on a very small signal - Electrical Engineering Stack Exchange
Data Sheet PUM-5250L-C3310-R PUI Audio's unidirectional electret condenser microphones (ECMs)—also known as cardioid mic
![Electret Condenser Microphone Selection Guidance for SGTL5000 - Technical Support - Toradex Community Electret Condenser Microphone Selection Guidance for SGTL5000 - Technical Support - Toradex Community](https://europe1.discourse-cdn.com/toradexcommunity/original/2X/7/7fa7bf656729fbc50ad7cad30091f757ba7555a3.png)
Electret Condenser Microphone Selection Guidance for SGTL5000 - Technical Support - Toradex Community
![Omnidirectional Electret Condenser Microphone 6x2.7mm with pins - 6027 - Capacitive - Sensitivity -60db [5522] : Sunrom Electronics Omnidirectional Electret Condenser Microphone 6x2.7mm with pins - 6027 - Capacitive - Sensitivity -60db [5522] : Sunrom Electronics](https://www.sunrom.com/media/content/1711/electret-mic-datasheet.jpg)