Hearing aids are friends of deaf patients. It is actually a low-frequency small-signal amplifier. The picture shows a simple and easy-to-make deaf hearing aid circuit.
Easy Electronic Technology Co.,Ltd , https://www.yxpcelectronicgroups.com
Hearing aids are friends of deaf patients. It is actually a low-frequency small-signal amplifier. The picture shows a simple and easy-to-make deaf hearing aid circuit.
Easy Electronic Technology Co.,Ltd , https://www.yxpcelectronicgroups.com