About: is a top store of electronic, which specializes in all kinds of IC products, such IC accessories, Module, Robots, Development Board, . APR Single-chip Voice Recording & Playback Device For Single 60 Second high-quality voice recording & playback solution – No external ICs required. Figure 1 APR Pinout Diagram. /M1_Message. /M2_Next. /M3. VCCD. /RE/ RE. ExtClk. APR INTEGRATED CIRCUITS INC. /M2_Next.

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Microphone connected to IC through couple capacitors C 3 and C 4 respectively as shown in circuit diagram. Losses in inductor of a boost converter 9. Cheap integrated circuits chip APR We offer replacement if there has problem with our products,such as bent leads,scratches all over surface in transit 4.

APR voice recorder problem as you can see M8 pin has k pull up resistor. The given voice signal and first sampled and then the corresponding instantaneous voltage samples are stored in the non-volatile flash memory cell in 8-bit binary encoded format.

What is the function of TR1 in this circuit 3. About product and suppliers: Electronics Components Electronics Components Apr The time now is Originally Posted by santoshaxl.

Help me with a voice recording equipment project! An APR is a single chip voice recorder and playback device from Aplus integrated circuits. PNP transistor not working 2.

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If the items are defective, please notify us within 3 days of delivery. Distorted Sine output from Transformer 8.

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If you do not receive your item on time, please let us know earlier, we are always solving problem on the basis of mutual assistance to ensure your benefit.

When I am connecting the IC to supply the busy LED turns ON and from the datasheet what that signifies is the device is currently busy performing internal functions and can neither record nor playback at the current time.

Any items must be returned in their original condition to qualify for a refund or replacement. Where can I buy second hand oscilloscopes in India? Suggest me a voice recorder chip 5.

APR voice recorder problem

I have tried using pull up resistors and with out at M8 but its voltage is 1. Par9600 248: You can wpr9600 with me on: The shipping methods we are using will be: APR electronics component ic.

How reliable is it? But when I am giving a high to low transition on pin1, am not hearing the beep sound as BE is kept high. If the items are defective, please notify us within 3 days of delivery. Then set the initial conditions for CE and RE as low for record.


So if am not giving any input signal the speaker out should be zero and during the ON it should varying nature,please correct me if I am wrong.

Similar Threads where to buy CP in India 3. Choosing IC with EN signal 2. ModelSim – How to force a struct type written in SystemVerilog?

APR voice recorder problem But I have a speaker with internal resistance 8ohm and in the datasheet it is specified as 16ohm, is it k here? Gold Plus Supplier The supplier supports Trade Assurance — A free service that protects your orders from payment to delivery.


The strobe LED is also blinking continuously when connected to the supply. Economy shipping usually doesn’t takes that long by Estimated Delivery Date. You par9600 ensure product safety by selecting from certified suppliers, including 52 with ISO, 17 with Other certification.

Santhosh, Send me the circuit when you have time, by the time am also trying to solve the problem.