Inverted by the gain op amp FC3

The figure shows the inverted amplifier line composed of the medium gain op amp FC3. The analog amplifier is to make the output signal and the input signal phase opposite. The gain of the analog amplifier depends on the feedback ratio.

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Reverse analog circuit diagram

External Frequency Compensation Component Reference Table

Pin arrangement diagram

Doorbell  speaker:

 

Doorbell  speaker is a kind of micro speaker unit which uses a diaphragm made of Mylar material. Doorbell  speakers are of ultrathin design and lightweight and clear voice. It is widely used in building security industry (e.g. intercom, video door phone, intelligent door control..)

 

There are two types of Mylar speakers from the shapes:

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FAQ

Q1. What is the MOQ?
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XDEC: We can send samples in 3-5 days.

Doorbell Speaker

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