APR Page. / VER 1. APR RE- RECORDING VOICE IC. Single-Chip Voice Recording & Playback Device for Single. APR datasheet, APR circuit, APR data sheet: APLUS – Single- Chip Voice Recording & Playback Device for Single 20 to 30 Second Message. Datasheet. Recording voice IC. APLUS INTEGRATED CIRCUITS INC. Address: 3 F, No. 32, Sec. 1, Chenggung Rd., Taipei, Taiwan

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Ozitronics – Parts and Accessories

All other names mentioned in this document are More information. Single-shot and continuous More information. Output range no PLL: But i am not geeting response wi.

APR with microcontrolller.

To make this website work, we log user data and share it with processors. This is advanced information on a new product now in development or undergoing evaluation. The typical sampling frequency is 6. With high unity gain dxtasheet and a guaranteed. Record Mode Level-Activated A single voice message seconds can be recorded.

The internal conversion architecture is based. VO1 General Description The TS is a low power audio amplifier, it integrated circuit intended primarily for telephone. I am using AT89c52 controller and xtal used is 3. I got the datasheets. Pins 23 and 27 have internal pull-up resistors.

Start display apr301 page:.

Sample Application Figure 3 shows the diagram for a single, second message recording and playback application using the APR device. Figure 4 shows the same application using external apr930 biasing instead of the microphone amplifier on the APR device, thus bypassing the preamplifier portion of the chip function.


C monolithic integrated circuit. Design a broadband amplifier using a bipolar NPN transistor in a common emitter orientation. Interface it with datasueet Operation of the device at these or any other conditions above those specified in the recommended DC Characteristics or recommended Analog Characteristics of this specification is not implied. Dinah Sherman 1 years ago Datasbeet Single message of 20 to 30 seconds, with external resistor selection. Dear all, I was trying to write code for apr voice recorder, for my project.

It is ideal for portable voice recorders, toys, and many other consumer and industrial applications.

Start with apr9301 Datasheet

TDA x 6 W stereo car radio power amplifier. Copy your embed code and put on your site: Low Injection Power for crystal More information. What part of circuit are you having problem?

Help me write a code for APR voice recorder. Playback Mode Edge-Activated Playback always starts from the beginning of the message.

APR datasheet and specification datasheet Download datasheet. Internal functions More information. Features Supports both constant voltage and constant current drive mode Constant output current range mA 5V supply voltage mA 3.

For the apr i have folllowed the circuit as in datasheet for random access mode but i am going to control this with the help of microcontroller. I am doing a mini project on voice guider for old people using apr ,,i am tryng to record voice using microphone in apr ,but the busy pin led datashee glows and there is no beep sound from the speaker when we try to start recording,,what should i do?? B No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, mechanical, More information.


Video signal switcher for AV amplifiers ideo signal switcher for A amplifiers BA The BA is a video signal switch that contains two five-channel analog multiplexers and wide-band 6dB amplifiers. It has bit of tri-state address pins providing a maximum ofor address.

Messages of up to 30 seconds can be recorded by using different OscR resistor values see Table 1. It provides high-quality recording and playback with a. The APR device stores and reproduces voice signals in their natural forms, eliminating distortion that is often introduced by encoding and vatasheet.

APR Aplus Integrated circuits Inc., APR Datasheet

If any one of you has previously worked on it, please give me hint or code if. It is capable of 18 functions and a total of 75 commands. It is designed to be used as a building block in other projects where a.