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UPD9930 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - LINEAR CODEC FOR DIGITAL CELLULAR TELEPHONE - NEC

भाग संख्या UPD9930
समारोह LINEAR CODEC FOR DIGITAL CELLULAR TELEPHONE
मैन्युफैक्चरर्स NEC 
लोगो NEC लोगो 
पूर्व दर्शन
1 Page
		
<?=UPD9930?> डेटा पत्रक पीडीएफ

UPD9930 pdf
(15 to 33 dB)
MIXI
MICO
MICI–
MICI+
Microphone
amplifier
+
(to XACOMO)
XAUXO
(0 to 10 dB)
XAUXI–
Accessory input
amplifier
to Vref
+
RAUXO
Post Filter 1
(Accessory output
amplifier)
0 dB fix
Pre-Filter
+ Mixer
0 or –3 dB
REC1O
REC2I–
Post Filter 2
(Receiver amplifier 1)
0 to -31 dB
(1 dB steps)
Receiver drive amplifier
(Receiver amplifier 2)
REC2O–
+
to Vref
REC2O+
XACOMI
XACOMO
RACOMO
RACOMI
+
to Vref
Vcombuff
Vref
A/D
D/A
Sign code
output
Digital signal processor
Voice send
Digital
Gain Cont.
0 to –2.8 dB
(0.4 dB steps)
Transmit
BPF
PLL
DSP
INTERFACE
Receive
LPF
Voice receive
Digital
Gain Cont.
0 to –2.4 dB
(0.8 dB steps)
Tone
Gain Cont.
0 to –30 dB
(1 dB steps)
–38.5 dB
Tone
Generator
MICRO-
CONTROLLER
INTERFACE
Tone Interval
Generation
DAI
(GSM11. 10)
Low-current drive LED
RESETB
REQB
FSYNC
(8 kHz)
SCLK
(256 kHz)
SEN
SO
SI
DSPSEL
MCLK
MSTR
MDAT
DCLK
DO
DI
TC1
TC2
DRSTB

विन्यास 30 पेज
डाउनलोड[ UPD9930 Datasheet.PDF ]


शेयर लिंक


अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
UPD9930LINEAR CODEC FOR DIGITAL CELLULAR TELEPHONENEC
NEC


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