The input op amp of this circuit triggers the timer, sets its flip-flop, cuts off its discharge transistor, and makes capacitor C chargeable. When the capacitor voltage reaches the timer's control voltage (0.33Vcc), the flip-flop resets, the transistor turns on, and the capacitor discharges.
2.05"~2.75" speaker (52~70mm)
1)2.05" speaker 52mm speaker
2)2.25" speaker 57mm speaker
3)2.5" speaker 62mm speaker
4)2.6" speaker 66mm speaker
5)2.75" speaker 70mm speaker
FAQ
Q1. What is the MOQ?
XDEC: 2000pcs for one model.
Q2. What is the delivery lead time?
XDEC: 15 days for normal orders, 10 days for urgent orders.
Q3. What are the payment methods?
XDEC: T/T, PayPal, Western Union, Money Gram.
Q4. Can you offer samples for testing?
XDEC: Yes, we offer free samples.
Q5. How soon can you send samples?
XDEC: We can send samples in 3-5 days.
2.05" Speaker 52Mm Speaker,2.25" Speaker 57Mm Speaker,2.5" Speaker 62Mm Speaker,2.6" Speaker 66Mm Speaker
Shenzhen Xuanda Electronics Co., Ltd. , https://www.xdecspeaker.com