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GPCR03B Datasheet(PDF) 4 Page - Generalplus Technology Inc.

Part No. GPCR03B
Description  SINGLE-CHIP VOICE RECORD/PLAYBACK DEVICES
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Manufacturer  GENERALPLUS [Generalplus Technology Inc.]
Direct Link  http://www.generalplus.com
Logo GENERALPLUS - Generalplus Technology Inc.

GPCR03B Datasheet(HTML) 4 Page - Generalplus Technology Inc.

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GPCR03B
7. APPLICATION CIRCUIT
The system is capable of recording as long as the RECO
switch is being pressed (level triggering).
The recorded
message or audio can be played back when the PLAY switch is
pressed (Falling edge triggering).
When system is recording,
the LED light from RELED will be on until the end of recording.
(3V)
AUDP
VDD
AUDN
VSS
AVSS
OP1I
OP1O
AVDD
ROSC
ALC
MIC
GPCR03B
0.1
µF
VDD
RECLED
Play_Busy
(RECO_BUSY)
510K
150p
RECO
PLAY
0.1
µF
200K
VR*
VDD
R5
C5
**
**
R4
C4
0.047
C6
2.2K
2.2K
R1
R6
2K
10
µ
C3
MIC
(3V)
220
µF
Adjustable for
alternating
frequency
Note1: * The case frequency can be varied by adjusting the value of VR.
The purpose of remolding the frequency is to change the speech frequency; for
example, a man’s voice can be altered to become a woman’s voice or vice versa.
The relationship between ROSC and speech frequency is
illustrated in Figure 1.
Note2: **For the application of VDD is 5.0V, R4 instead of 220K and C4 instead of 330P.
© Generalplus Technology Inc.
Proprietary & Confidential
4
JUN. 22, 2005
Version: 1.2


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