Price : INR 590.00
20 To 30 Sec. Voice Recording / Playback (APR9301) is a re-recordable single chip Voice recorder with non volatile memory that can store up to 20-30 seconds of message and comes with playback facility. APR9301 is an ideal IC for automatic answering machines, door phones, etc. This IC has data storage capacity and requires no software and microcontroller. The APR9301 provides high quality voice recording and played back up to 30 seconds. The IC requires minimum components to create a voice recorder. The IC has non-volatile flash memory technology with 100 K recording cycles and 100-year message retention capacity. The IC utilizes the Invox proprietary analog / multi level flash non-volatile memory cells that can store more than 256 voltage levels. It requires a single 6-volt supply and operates in 25 mA current.
Record Mode : The LED glows when the IC records the voice obtained through the Mic. A single voice message up to 20 seconds can be recorded. The IC remains in the recorded mode as long as the RecL pin 27 is grounded. Recoding will be terminated with the last memory when 20 seconds is over. The Speaker driver will automatically mutes in the recording mode. By changing the value of the OscR resistor R1 it is possible to increase the recording period as follows :
Playback Mode : By pressing the play back switch S2, the play mode starts from the beginning of the message. The input section will be muted during play back. After completing the Record or Play back function, the IC will enters into the standby mode. Press, switch S1 and speak through the Mic or record music. LED will glow in the recording mode. Open S1 after recording. Use a small condenser Mic Close S2. Recorded message will be heard from the speaker. Use a 2 inch 8 Ohms speaker. Power supply 6 Volt regulated supply or 6 volt battery.
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